LINUX SYSTEMS ADMINISTRATOR SKILLS, EXPERIENCE, AND JOB REQUIREMENTS

Reviewed by Lam Nguyen under Editorial Standards

Published: Mar 10, 2026. The Linux Systems Administrator has experience managing Linux environments (RHEL, Ubuntu, CentOS), virtualization platforms, networking protocols, and enterprise infrastructure using automation and scripting tools such as Bash, Python, Ansible, and Puppet. This role requires strong skills in system configuration, troubleshooting, security hardening, cloud and container technologies, monitoring, and maintaining highly available production systems. The administrator also needs strong analytical, documentation, and communication skills, along with experience in DevOps practices, infrastructure automation, and cross-functional technical collaboration.

Essential Hard and Soft Skills for a Standout Linux Systems Administrator Resume

  • Linux Administration
  • Red Hat Linux
  • VMware Virtualization
  • Docker Containers
  • Ansible Automation
  • Shell Scripting
  • Python Scripting
  • Infrastructure Monitoring
  • Disaster Recovery
  • Patch Management
  • Problem Solving
  • Analytical Thinking
  • Incident Management
  • Cross Team Collaboration
  • Technical Documentation
  • Time Management
  • Communication Skills
  • Attention Detail
  • Process Improvement
  • Leadership Skills

Summary of Linux Systems Administrator Knowledge and Qualifications on Resume

1. BS in Computer Science with 7 years of Experience

  • Proficient in the administration of Red Hat Products (RHEL 6,7 and 8) and server-side networking (TCP/UDP/Multicast).
  • Able to build, configure, and maintain production environments, including standard networking, preferably using Red Hat Enterprise Linux as the Operating System.
  • Able to script and automate tasks.
  • Working knowledge of container/Ansible automation platform.
  • Able to use Chef or similar (Ansible, Puppet) for end-to-end server configuration management.
  • Good analytical and problem-solving skills, with the ability to assess production impact and risk.
  • Good time management, interpersonal, and communication skills.
  • Self-motivated and comfortable making decisions without the need for immediate supervision.
  • Background in managing and troubleshooting low-latency trading environments.
  • Understanding of Linux internals and preferably with Solarflare/Onload experience.

2. BS in Information Technology with 6 years of Experience

  • Must have DoD 8570 IAT-2 certification (SEC+, CCNA-Security, GSEC, SSCP, CISA, CISSA, CASP, GSIH, or GCED).
  • Experience installing, configuring, upgrading and migrating Linux servers.
  • Experience should include planning, configuring, maintaining, patching and monitoring Linux applications.
  • Experience with VMware virtualization products (vSphere ESXI, vCenter, vRealize Operations Manager).
  • Must have documentation skills and organization skills.
  • Ability to interact with team members cross-functionally.
  • Experience with BASH or Python scripting and execution.
  • Experience with specialized network environments (air gapped, limited access).
  • Good communication skills.
  • Good organization and project management/project coordination skills.

3. BS in Software Engineering with 7 years of Experience

  • Experience in corporate information technology, specializing in Linux operating systems.
  • Extensive experience with the administration of both Windows and Linux systems.
  • Experience with IT for software engineering organizations.
  • Strong oral and written communication skills.
  • Proficient with Linux (Ubuntu, Debian), VMware ESXi, Microsoft 365, SharePoint, WSL, and Active Directory.
  • Experience with automated management tools.
  • Experience supporting engineering software, hardware, and licensing servers.
  • Sysadmin experience, specializing in Linux operating systems.
  • Good knowledge of computing resources for high-performance engineering workstations.
  • Able to implement information security frameworks such as NIST SP 800-171 and CMMC.
  • Must have IT-related certifications.

4. BS in Computer Engineering with 9 years of Experience

  • Must be an expert and have in-depth professional experience working with Kubernetes.
  • Experience with 100+ node production clusters.
  • Experience with Jenkins, Monitoring tools.
  • Knowledge of the Linux operating system and its variations.
  • Able to troubleshoot issues across the entire software stack.
  • Must have superior communication skills.
  • Must have proficiency in either Python or GO.
  • Experience maintaining the stability of integration and production clusters, including on-call support for critical P2 customer incidents.
  • Strong background in deploying software across Linux environments using configuration management tools such as Puppet and automated systems, along with supporting kernel patching and Java upgrades.
  • Proven ability in production capacity recovery, disaster recovery exercises, and overall configuration management to ensure high system availability and reliability.

5. BS in Information Systems with 10 years of Experience

  • Administrative experience with mainstream HPE servers.
  • Administrative experience on the Linux Operating System.
  • Administrative experience of mainstream backup storage, such as Cohesity.
  • Strong analytical and troubleshooting skills to solve production issues under great pressure.
  • Skilled in mainstream RHEL, CentOS and Solaris.
  • Skilled in HPE mainstream physical servers DL/BL/XL-series and Oracle T-series.
  • In-depth programming experience with UNIX shell script, Python, Ansible, etc.
  • Skilled in mainstream block storage, such as ION accelerator, 3PAR, Nimbus and so on.
  • Skilled in mainstream file storage, such as Cohesity, Quantum DXi, with their dedupe, compression, replication, snapshot, and auto backup functions.
  • Skilled in Oracle Virtualization.
  • Skilled in protocols such as LDAP, FTP, SFTP, NTP, NFS, and so on and CRON.
  • Strong business communication skills, able to work in a dynamic and diverse working environment and multi-tasking.
  • Able to demonstrate sound judgment by taking appropriate actions based on findings and experience.
  • Experience with enterprise-level virtualization strategy, design, implementation and maintenance using VMware vSphere 6.x servers and clusters, including vCenter, Site Recovery Manager (SRM) and vCloud Director.
  • Proven history of incident response, diagnostic and advanced troubleshooting skills.

6. BS in Network Engineering with 5 years of Experience

  • Experience in computing system maintenance, troubleshooting and repair.
  • Experience with operations and maintenance of large-scale computing and storage systems and/or supercomputers, including user/customer support.
  • Excellent interpersonal/communication skills.
  • Ability to work as part of a team.
  • Strong working knowledge of Unix system fundamentals and common network protocols.
  • Experience managing Linux/UNIX operating systems in a heterogeneous environment.
  • Solid understanding of networked computing environment concepts.
  • Must have system admin or computer science-related certifications.

7. BS in Cybersecurity with 6 years of Experience

  • Ability to work well independently and as a member of a team.
  • Experience in maintaining a multi-instance Unix-based system.
  • Experience working/collaborating with software engineering teams.
  • Experience supporting Linux and Java projects.
  • Ability to provide innovative solutions for routine issues and tasks.
  • Experience with source control, CI and build tools such as Git, Jenkins, etc.
  • Proficient in scripting and/or programming languages, Python, Java, Shell, etc.
  • Hands-on experience with AWS, EC2, S3, VPC, Auto-Scaling, Cloud Watch, etc.
  • Strong familiarity with customer security processes and requirements.

8. BS in Information Security with 4 years of Experience

  • Experience installing and troubleshooting Linux Systems.
  • Must have Linux and RedHat SA skills.
  • Must have VMware experience.
  • Strong teamwork skills.
  • Excellent communication, organizational and interpersonal skills.
  • Ability to development mindset.
  • VMWare Cloud Foundation experience.
  • Strong understanding of system lifecycle processes, program experience, system documentation, and creative problem-solving skills.

9. BS in Systems Engineering with 7 years of Experience

  • Experience administering Linux systems in a medium/large-scale and highly available infrastructure.
  • Able to work with a monitoring solution, preferably Prometheus.
  • Experience with at least one configuration management and automation tool (Puppet/Ansible/Terraform).
  • Scripting experience in Python and/or Bash.
  • Ability to keep up in an extremely fast-paced environment.
  • Good communication skills in a multicultural environment.
  • Experience with Kubernetes and at least one of the runtime orchestration (Docker/podman/crio/Kata).
  • Server hardware architecture knowledge.
  • On-premise cloud solutions experience.
  • Ability to contribute to open-source projects.

10. BS in Data Science with 5 years of Experience

  • Good understanding of Agile development and continuous delivery best practices, software engineering tools, processes, methods and testing.
  • Strong experience with Linux and Docker setups.
  • Experience with Configuration management tools, Ansible/Puppet/Salt.
  • Experience with datastores, MySQL, ElasticSearch, Kafka, and Postgres.
  • Experience with monitoring tooling, ELK, Netdata, and Icinga.
  • Strong ''Automate All The Things'' mindset.
  • Good experience provisioning and managing infrastructures with high availability constraints.
  • Good communication skills in English.

11. BS in Cloud Computing with 8 years of Experience

  • Experience in performing system administration tasks on Windows and Linux hosts, including installing security patches and making configuration changes to support security requirements.
  • Fluent in integrating hardware and software components into a functional system.
  • Experience with computing administration to include managing Microsoft Active Directory design, deployment, and operational support.
  • Direct experience working with Commercial Off-The-Shelf (COTS) Integration in a Linux or Windows environment.
  • Experience in architecture, designing, and implementing a DevOps infrastructure for a program.
  • Experience working with Virtual Systems (i.e., VMWare) design and implementation.
  • Experience with High Performance Computing (HPC) applications and frameworks.
  • Experience with standardized Network Protocols and Services (i.e., TCP/IP, VLAN, DNS, DHCP, Firewalls, etc.)

12. BS in Network Security with 6 years of Experience

  • Experience installing, configuring, and maintaining Linux systems in an Academic or Enterprise environment.
  • Experience securing and monitoring Linux systems as well as consulting with end-users on properly securing applications and following proper security protocols.
  • Experience troubleshooting hardware/software problems and system failures in an Academic or Enterprise environment.
  • Ability to determine and initiate appropriate and immediate actions to restore normal services with minimal downtime.
  • Able to document occurrences and actions taken.
  • Able to assess operating procedures followed in resolving issues for effectiveness.
  • Able to recommend modifications to standard procedures found to be inadequate, unclear, or ineffective.
  • Experience with analysis, documentation, installation, testing, and evaluation of new or modified versions of campus deployed solution's hardware, operating systems, databases, and application-layer.
  • Experience as a member of a highly technical and customer-service-driven team.

13. BS in Information Systems Security with 7 years of Experience

  • Ability to properly document and share knowledge/training with other staff members and forge close working relationships with IT and scientific research groups across campus.
  • Ability to advise and directly supervise student workers as an integral part of the team.
  • Able to provide excellent technical support to both internal and external constituents.
  • Able to stay current with emerging IT trends related to research computing and research support.
  • Experience with Database management capabilities.
  • Experience with Application development.
  • Experience with networking and security/compliance.
  • Experience with instrumentation, interfacing, or special technologies like DICOM, HL7, XML, API's, and data transformation.
  • Experience in an academic research or computing setting.

14. BS in Computer Networking with 6 years of Experience

  • Strong knowledge of UNIX (Solaris) and Linux operating systems.
  • Ability to perform installations, upgrades, and patch updates.
  • Strong understanding of TCP/IP networking and host configurations.
  • Experience in clustering technologies, including Veritas, Red Hat Cluster and VMware vSphere.
  • Knowledge of RAID, Veritas Storage Foundation, DNS, NFS, FTP, SSH, and Shell Programming.
  • Knowledge of relational databases (MySQL and PostgreSQL).
  • Knowledge of Python and the Go Programming language.
  • Knowledge of open source monitoring systems, such as Zabbix and Prometheus.
  • Knowledge of open source loging system, such as ELK solutions.
  • Experience with CI/CD tools and automation practices.
  • Strong communication and collaboration skills.

15. BS in DevOps Engineering with 7 years of Experience

  • Able to work in and support the Production plant.
  • Experience in managing, deploying, and debugging large-scale production environments.
  • Able to be part of a global network for production issues.
  • Able to write and maintain documentation for systems, processes, and procedures.
  • Experience with Change Management and Problem Management practices.
  • Experience working with RedHat Enterprise Linux.
  • Programming skills, write and read scripts in Bash, Perl, and Python.
  • Understanding of kernel bypass and how it relates to latency-sensitive devices.
  • Basic understanding of networks.
  • Must have business-level English.
  • Excellent communication skills to collaborate with stakeholders at different levels.

16. BS in Database Administration with 5 years of Experience

  • Experience in Systems Administration.
  • Experience in installing, configuring, and maintaining Linux and Windows Servers.
  • Hands-on experience with VMware/ESX.
  • Working knowledge of Python, Perl, and Bash.
  • Experience with configuration management tools (Ansible, Puppet, etc.)
  • Experience or interest in DNS is desirable.
  • Able to learn eagerly in a fast-paced environment and seek continuous improvement.
  • Skilled at troubleshooting and resolving technical problems.
  • Strong sense of ownership in the timely resolution of issues and completion of project tasks.
  • Ability to follow procedures, but also suggest improvements.
  • Fluent in English and either Dutch or French.

17. BS in Computer Information Systems with 8 years of Experience

  • Experience in Linux Server 5.x, 6.x, 7.x and Solaris OS administration.
  • Experience in a similar role.
  • Experience administering, monitoring and managing Red Hat environments.
  • Advanced knowledge of Red Hat Linux, like upgrade OS configuration.
  • Core system level knowledge (Linux Concepts, file systems, ACLs, Kernel, etc.
  • Good knowledge of Linux System Optimizations and Security.
  • Good knowledge of SAN topologies, Fibre Channel, and Multipathing.
  • Hands-on experience in Administering High Availability Cluster (VCS), failover scenarios, load-balanced with RedHat Satellite Server and provisioning.
  • Able to monitor system performance and kernel tuning.

18. BS in Distributed Systems with 7 years of Experience

  • Able to perform security auditing and server hardening.
  • Able to coordinate the replacement of faulty hardware.
  • Experience in System Fault Tolerance Design, Business continuity and Disaster recovery planning.
  • Working knowledge of HP/Dell hardware.
  • Good knowledge of volume managers like SVM, VXVM, and LVM.
  • Knowledge and experience in ITIL workflow.
  • Able to administer and configure Puppet, Satellite, and Capsule Servers.
  • Advance Scripting (Bash, sed, awk and Python) knowledge.
  • Good knowledge of puppet configuration tool.

19. BS in Artificial Intelligence with 4 years of Experience

  • Experience as a Linux system administrator.
  • Experience installing, configuring, or deploying Red Hat Linux systems.
  • Experience with Command Line Interface (CLI), Secure Shell (SSH), Logical Volume Manager (LVM), user account management, or configuring physical and logical partitions.
  • Ability to install, configure, or deploy Red Hat Linux systems in accordance with DoD and Department of the Navy requirements on a production network.
  • Ability to obtain a Security+ certification.
  • Experience with the administration of Macintosh servers and workstations.
  • Experience with Apache web server administration.
  • Knowledge of Linux DNS, Solaris, ESX, and ESXi.
  • Knowledge of Unix-based systems.
  • Knowledge of STIG requirements.
  • Strong verbal and written communication skills.

20. BS in High Performance Computing with 7 years of Experience

  • Experience in information technology or higher education.
  • Experience and leading-edge knowledge in installing, configuring, modifying, and supporting Linux Operating Systems, and virtualization technologies, such as VMware and cloud.
  • Experience with Linux and cloud platform scalable management, automation and orchestration methodologies and tools.
  • Experience in an information technology service provider or a higher education organization.
  • Experience with automation, configuration, and lifecycle management (such as Ansible, BigFix, or Terraform) and scripting (such as Bash, Python, PowerShell).
  • Ability to operate at a Systems Operator level of experience in AWS, Azure, or GCP.
  • Experience in working in a Plan-Build-Run operational module.
  • Must have IT Certifications such as Linux, Microsoft, AWS, Azure, and GCP.

21. BS in Systems Administration with 4 years of Experience

  • Knowledge of administering Nix systems.
  • Must have hands-on skills.
  • In-depth knowledge of at least one database technology, preferably a non-relational system like Hadoop, Elasticsearch, ClickHouse, or similar.
  • Must have programming and technical know-how.
  • Comfortable with using various command-line tools.
  • Great communication skills.
  • Able to open and have a friendly communication style.
  • Must have English skills.

22. BS in Applied Computing with 6 years of Experience

  • Experience with RedHat Enterprise, CentOS, or Ubuntu.
  • Experience managing physical and virtualized Linux hosts.
  • Experience with basic switch and router configuration.
  • Experience with block (SAN) and file (NFS and SMB) storage solutions.
  • Experience with process automation using scripting, configuration management and containerization.
  • Excellent communication skills, possessing the ability to interface with non-technical and technical customers.
  • Ability to obtain and maintain an HSPD-12 PIV badge.
  • Experience with on-premises cloud native platforms (VMware, OpenStack, Apache Cloudstack and others).
  • Demonstrated ability to perform job tasks while considering cyber security risk of those tasks, and consulting with security professionals.
  • Understanding of high-performance storage design.
  • Experience in an environment requiring change control processes.
  • Ability to work in a group and alone on various projects.

23. BS in Digital Infrastructure Engineering with 5 years of Experience

  • Ability to clearly and effectively communicate in English.
  • Ability to adapt to a dynamic, fast-paced and ever-changing environment.
  • Excellent interpersonal, verbal and written communication.
  • Strong analytical, problem-solving skills, project management and organizational skills.
  • Must have high integrity and strong business ethics.
  • Able to team player with a great passion to succeed.
  • Knowledge and proficiency in PC applications, including Microsoft Office.
  • Working knowledge of Red Hat, CentOS, PeaceMaker, and Ansible.
  • Experience with virtualization (vMware), Postfix mailing servers, Clustering and high availability.
  • Understanding of ITIL/IT Service Management concepts.

24. BS in Information Infrastructure Technology with 4 years of Experience

  • Linux Systems Administration experience.
  • Experience with virtual servers.
  • Experience with open-source applications and tools (based on LAMP stack).
  • Experience scripting languages such as Bash, Perl, Python, etc.
  • Good understanding of server security issues and best practices.
  • Able to detail-oriented approach.
  • Able to ensure the reliability and security are key expectations of the role and hosting services are ISO27001 accredited, Cyber Essentials registered and GDPR compliant.
  • Able to use monitoring tools.

25. BS in Software Development with 7 years of Experience

  • Must have hands-on experience with Red Hat Linux/System Administration.
  • Must have experience with Linux Operating System (RedHat), scripting (Perl/Bourne).
  • Working knowledge of VMWare.
  • Must have management of SSL/TLS Certificates.
  • Experience with public key infrastructure (PKI) and experience with certificate life cycle management, such as Venafi.
  • Knowledge of TCP/IP, network monitoring, tools and technical writing principles and practices.
  • IT security conceptual knowledge and hands-on experience with remediating vulnerabilities.
  • Ability to perform effective analytical, problem-solving, installation and maintenance skills.
  • Ability to work independently as well as within a team.
  • Ability to communicate effectively verbally and in writing.
  • Experience with F5 load balancers, JBoss application servers, automation using Ansible, container platforms including Docker and Podman, OpenShift/Kubernetes orchestration, and monitoring tools such as Nagios and Splunk.
  • Experience working with formal ITSM processes using Jira or SNOW.
  • Knowledge of multiple operating systems, related utilities and hardware.

26. BS in Enterprise Systems Engineering with 9 years of Experience

  • Experience in configuring and maintaining CentOS-based systems, including the performance of enterprise-level upgrades from version 6 to 7.
  • Experience in configuring and maintaining Linux operating systems.
  • Experience configuring, deploying, and managing cloud-based systems and architectures.
  • Experience performing RPM builds for software packages.
  • Experience performing complex infrastructure design, including planning of interactions of multiple applications (HA, DB, Large Networks).
  • Experience performing scripting for automation of tools.
  • Experience working in a datacenter lab environment, managing power requirements, performing buildouts and system hardening.
  • Experience with Python scripting.
  • Experience with Splunk, RHEL, SMB, NFS, SELinux, Zabbix, VMWare ESXi, Veritas, Pacemaker HA Clustering.
  • Great inter-personal abilities.

27. BS in Internet Engineering with 5 years of Experience

  • Systems administrative experience with RedHat Linux and Windows operating systems.
  • Knowledge of maintaining Linux and Windows in an enterprise environment.
  • Strong understanding of AD, GPOs and SSSD/IPA.
  • Strong experience with VMWare or similar virtualization platforms.
  • Working knowledge of Automation and Orchestration tools.
  • Knowledge of Storage concepts and RAID.
  • Strong problem-solving skills.
  • Ability to work independently and embrace learning new technologies.
  • Must have Red Hat Certified System Administrator (RHCSA) and/or A+ certifications.

28. BS in Computer Systems Engineering with 6 years of Experience

  • Good written and verbal communication/personal skills and very detail oriented.
  • Able to acquire and maintain an IAT Level II certification (Security+ or better).
  • Experience with Automation and Orchestration tools such as Foreman, Cobbler, Puppet, Salt, and Ansible.
  • Experience with monitoring applications, Nagios, Splunk and Lansweeper.
  • Experience scripting in Bash and Python.
  • Experience with Container and Image applications such as Docker and Podman.
  • Knowledge of various Linux services and how to configure them.
  • Experience with databases such as PostgreSQL, MariaDB, and MongoDB.
  • Experience in the implementation of NIST-1800-171 controls, experience with auditing security baselines.
  • Experience with Dell servers and storage.

29. BS in Network Administration with 7 years of Experience

  • Excellent Linux/Unix Systems Administration knowledge, including shell scripting, and a proficiency in at least one development language.
  • Experience in administering in a Linux environment.
  • Experience in systems management (e.g 50+ servers).
  • Experience in building scripts, tooling, and automation for large-scale computing environments using Python, Java, PHP, Ruby, or Bash/Shell.
  • Database experience to include building and executing queries (e.g MySQL, DynamoDB, MongoDB).
  • Experience with configuration management systems such as cfengine, Chef, or Puppet.
  • Experience with open-source technologies.
  • Expertise in specifying, designing, and/or implementing system health, performance monitoring tools, and software management tools.
  • Basic certifications in the applicable field, e.g., Net+/Security+/A+/Linux+/RHCSA.
  • Agile methods and processes experience.

30. BS in Linux Systems Engineering with 6 years of Experience

  • Able to manage Linux operating systems in a production computing environment.
  • Experience scripting languages Python, Shells, Bash, and Expect.
  • Solid understanding of network concepts such as TCP/IP, VLAN.
  • Strong interpersonal and communication skills and the ability to work as a team player.
  • Must be a proactive and solution-oriented problem solver.
  • Ability to bridge gaps between domain language (engineering, science) and computing solution language.
  • Ability to be customer-focused.
  • Proven ability to embrace and drive change.
  • Must have clear dedication to excellence and advancing beyond the current state.
  • Strong personal motivation.
  • Good networking skills, able to develop and maintain relationships with the wider Scientific Computing community.
  • Able to automate configuration management using Ansible.
  • Knowledge of system monitoring and alerting tools such as Zenoss, Nagios, and Grafana.
  • Experience with enterprise-level directory services, including LDAP and RHEL Identity Management (IdM/IPA).

31. BS in IT Service Management with 5 years of Experience

  • Experience in Linux Systems Administration.
  • Must have experience with scripting languages such as Bash, Python, etc.
  • Experience performing software installations and upgrades to operating systems and layered software applications.
  • Experience working closely with Software or Systems Development teams to troubleshoot systems and applications.
  • Experience leveraging a ticketing system for support requests (JIRA, ServiceNow, etc.)
  • Must have Security+ Certification.
  • Configuration management tools experience (Puppet, Ansible, Chef, etc.)
  • Experience with Big Data technologies (Hadoop, Kafka, Accumulo, Storm, Hortonworks, Cloudera).
  • Experience with Cloud technologies (AWS, Azure).
  • Proven ability to handle tasks end-to-end.

32. BS in Cloud Infrastructure Engineering with 8 years of Experience

  • Must have IAT II Certified (Security+ CE).
  • Must have Red Hat Linux System Administrator (RHCA or RHCE).
  • Experience with high-performance computing (HPC) environments.
  • Experience with Lustre in distributed computing environments.
  • Experience with Bright Cluster Management toolset.
  • Experience with securing and hardening Linux systems to meet RMF controls.
  • Experience with VMware vSphere 6 and up.
  • Experience with scripting (BASH, Python, Perl).
  • Experience with CUDA, TensorFlow, and similar toolsets.
  • Machine learning (ML) or artificial intelligence (AI) experience EOE M/F/Disability/Veterans.
  • Exceptional customer service skills.

33. BS in Infrastructure Engineering with 6 years of Experience

  • Experience in a Linux environment.
  • Must possess IAT II (CompTIA Security+ce ) in accordance with IAWF DoD 8570.01M.
  • Must possess a Linux Operating System certification (RHCSA, RHCE, Linux+, etc.).
  • Experience with log analysis tools, such as Graylog.
  • Experience with IT infrastructure management tools, such as RedHat Satellite.
  • Experience with system automation tools, such as Ansible.
  • Experience with Apache HTTP Server.
  • Experience with Storage Area Networks (SAN).
  • Experience with databases (Oracle, Sybase, MySQL, etc.)
  • Experience administering software configuration management tools (Git, CVS, SVN, etc.)
  • Experience with VMWare ESXi.
  • Strong time management and organisational skills.

34. BS in Data Engineering with 7 years of Experience

  • Hands-on experience in Red Hat Linux/System Administration.
  • Experience with Linux Operating System (RedHat).
  • Must know Kafka fundamentals, preferably Confluent Kafka in a High Availability architecture.
  • Knowledge of Automation and scripting using shell scripts.
  • Prior experience leveraging monitoring tools and working to support a 24/7 application.
  • Able to plan for system patching, code deployments in production environments, and facilitate Kafka platform and application upgrades.
  • Experience with problem resolution and customer management.
  • Working knowledge of VMWare.
  • Must have management of SSL/TLS Certificates.
  • Experience with public key infrastructure (PKI) and experience with certificate life cycle management, such as Venafi.
  • Knowledge of TCP/IP, network monitoring tools and technical writing principles and practices.
  • IT security conceptual knowledge and hands-on experience with remediating vulnerabilities.
  • Experience with F5, JBoss, Ansible, Docker/Podman containers, OpenShift/Kubernetes, and monitoring tools such as Nagios and Splunk.
  • Experience working with formal ITSM processes using Jira or SNOW.
  • Knowledge of multiple operating systems and related utilities and hardware.

35. BS in Security Engineering with 6 years of Experience

  • Knowledge of issues in the field of Linux systems administration (RedHat, CentOS).
  • Ability to write scripts.
  • Experience in work on a similar position.
  • Knowledge of iptables/firewalld configuration, SELinux issues.
  • Proficient in disks, filesystems and tools (ext4, xfs, LVM).
  • Knowledge of English on intermediate level.
  • Experience with Kubernetes/Red Hat OpenShift/Docker/Ansible tools.
  • Knowledge of LAN/WAN networks.
  • Knowledge of HP and IBM server hardware.
  • Knowledge of VMware virtualization technology, ITIL.
  • Knowledge of RPM repository maintenance, RPM package build procedure (rpmbuild).
  • Knowledge of the RedHat licensing system (Subscription Asset Manager, Satellite).
  • Knowledge of SSL encryption, certificate generation, and installation (openssl).

36. BS in Platform Engineering with 8 years of Experience

  • Experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment.
  • Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
  • Experience with Trusted Guard.
  • Must have Red Hat System Administration certifications.
  • Experience with NAS storage device (preferably NetApp) administration (ONTAP 8.x or higher, CDOT).
  • Solid understanding of Enterprise-level storage concepts, including all commonly-used RAID levels.
  • Red Hat Satellite Server (version 5 and version 6) configuration and usage experience.
  • Solid understanding of remediating security vulnerabilities.
  • Experience hardening Red Hat systems in accordance with RMF and STIGs.
  • Identity Management (Single Sign-On) experience.
  • Strong written and verbal communication skills.

37. BS in Storage and Virtualization Engineering with 6 years of Experience

  • VMware and ESXi (6.x or higher) configuration and management experience.
  • Experience with host-based firewall implementations and configuration (Redhat ''iptables').
  • Experience building custom ''rpm'' software packages for Red Hat platforms.
  • Windows (7, 10) administration experience.
  • Windows Server 2008/2012 experience, Group Policies(GPOs) experience.
  • Active Directory management experience.
  • Solid writing skills and use of Wiki pages and SharePoint sites for documentation.
  • Must have DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).
  • Must have Security+ CE, CASP, CISSP, or similar security certification.
  • Ability to influence and negotiate effectively.

38. BS in Systems Architecture with 5 years of Experience

  • Experience with Ethernet communications and related switch technologies.
  • Experience with NFS on SAN or other network-based storage systems.
  • Experience in racking and cabling of computer equipment.
  • Experience in troubleshooting and repairing Linux desktops or servers.
  • Basic Linux knowledge with some working experience.
  • Effective oral and written communication skills, along with a strong customer service commitment.
  • Experience working with vendors to understand, implement and maintain hardware/software in a Linux environment.
  • Strong familiarity with information security best practices.
  • Ability to obtain and maintain a DOE Q security clearance.
  • Strong familiarity with Spectrum Scale (GPFS) and Lustre file systems.
  • Strong familiarity with InfiniBand network fabrics.
  • Strong familiarity with high-capacity storage subsystems.
  • Ability to work independently and within a team.

39. BS in Technology Management with 4 years of Experience

  • Good customer service skills.
  • Experience with database administration, disaster recovery systems, network administration, cloud services such as AWS, and/or high availability environments.
  • Excellent verbal and written communication.
  • Able to clearly convey ideas across a wide range of internal and external audiences in a clear, concise, and professional manner.
  • Ability to think ahead and prioritize.
  • Ability to problem-solve in a changing environment, analyze situations quickly and react appropriately with minimal supervision.
  • Ability to organize and manage multiple projects.
  • Strong work ethic, be a self-starter with strong initiative, and be reliable.
  • Ability to interact effectively with others.

40. BA in Information Management with 5 years of Experience

  • System administration experience with RedHat/CentOS 6, 7, and Windows Server 2012 R2 and 2016 (system calls, file systems, processes, etc.).
  • Experience with user account administration, installation and configuration of workstations and peripherals, kernel parameter and disk partition modification, client-server support, software and hardware upgrades, troubleshooting, and shell script programming.
  • Experience working in a large, highly available Linux environment.
  • Experience with enterprise storage architectures.
  • Must have Red Hat certifications and/or related certifications.
  • Virtualization experience (VMware vCenter, ESXi, KVM).
  • Experience with JIRA and Confluence.
  • Experience with GIT, Subversion, or other CM systems.
  • Experience with Network Information Service (NIS), Network File System (NFS), and Domain Name System (DNS).
  • Demonstrated ability to quickly learn, retain, and apply good interpersonal skills, and perform effectively under time pressure.

41. BS in Network Systems Management with 7 years of Experience

  • Ability to be part of a once bi-monthly 24x7 on-call rotation for after-hours support.
  • Experience with Linux operating systems, primarily RHEL, CentOS, and Ubuntu.
  • Experience with Windows 10 and macOS operating systems.
  • Experience with deployment/configuration management tools and related scripting technologies, Ansible, Puppet, Satellite, SCCM.
  • Previous experience with Agile methodologies.
  • Previous experience working on a distributed team.
  • Understanding of cloud methodologies and services, particularly AWS.
  • Experience with Citrix Virtual Apps and Desktops.
  • Experience developing and deploying desktop Operating System images.
  • Experience with Cloud environments (AWS Workspaces, Azure WvD, Citrix).
  • Experience with Remote User diagnostics and troubleshooting.
  • Experience in patch/Lifecycle management of Linux and Windows Endpoints.
  • Understanding of hardening systems, working in a STIG/ICD503/CIS environment.
  • Understanding of networking methodologies at scale.
  • Must have CompTIA Security+ certification.

42. BA in Technology Administration with 6 years of Experience

  • Experience and working knowledge of Linux OS, preferably CentOS 7,  in both physical and virtual environments.
  • Hands-on experience with open-source tools in web hosting environments, including Apache httpd, Apache Tomcat, Varnish Caching, HAProxy, MySQL, and Postgres.
  • Strong familiarity with Agile and DevOps tools and processes, logging/monitoring tools such as ELK stack, SolarWinds Orion.
  • Strong familiarity with physical and virtual data center operations in a multi-vendor environment.
  • Strong familiarity with VMware Server virtualization, AWS, or other cloud/virtualization technologies.
  • Strong familiarity with Microsoft Active Directory, including integration of AD authentication in Linux.
  • Deep understanding of how the internet and its various components work.
  • Strong familiarity with IP networking and the ability to use Wireshark.
  • Ability to quickly learn new technologies and keep abreast of the latest technological advances.
  • Sense of urgency and ability to multitask in a dynamic, fast-paced environment.
  • Critical thinker with strong work ethic, team player, innovative, proactive, and resourceful.
  • Ability to move throughout all departments within the company, including production areas.
  • Ability to be confined in a small area, such as a cubicle.
  • Ability to operate phones and computers.

43. BS in Infrastructure Security with 7 years of Experience

  • Willingness to support end-users to include after-hours on-call support.
  • Able to security-minded approach to all engineering and administration efforts.
  • Strong communication skills (both written and verbal) and technical documentation skills.
  • Experience in log analysis and system auditing.
  • Experience in Linux system administration and network administration.
  • Experience network functional status monitoring and alerting.
  • Knowledge of VPN Technologies such as IPsec or OpenVPN.
  • Knowledge of SSL/TLS configurations and certificate management.
  • Knowledge of Virtualization Technologies such as VMware, Splunk, or Elastic Stack (including searching, creating alerts, and building dashboards).
  • Knowledge of Nagios, Ansible (System configuration management).
  • Experience with Python or Bash scripting.
  • Knowledge of Symmetric/Asymmetric encryption and key exchange protocols, Network analysis and debugging tools (Wireshark, tcpdump).
  • Knowledge of Vulnerability scanning with Nessus and other tools.
  • Working knowledge of network and web-related protocols (e.g., TCP/IP/UDP, HTTP/S, DNS, WebRTC).
  • Knowledge of Cloud hosting environments such as Amazon Web Services (AWS).

44. BS in Virtualization Engineering with 11 years of Experience

  • Extensive knowledge and proven experience in installing and supporting many Linux distributions, specifically RHEL/CentOS, and Debian.
  • Extensive knowledge of standard system tools with the ability to use them to automate complex system tasks.
  • Extensive knowledge of physical networking and network protocols, services and security, including TCP-IP, Switching, Routing, VLANs, VoIP, DNS, DHCP, LDAP, Kerberos, NFS and Samba.
  • Good understanding of file systems, including ZFS and the various RAID options available.
  • Extensive knowledge with hypervisors, VMWare.
  • Extensive knowledge of NAS/SAN storage arrays.
  • Good understanding of installing and maintaining SSL certificates for Linux and Windows operating systems.
  • Good understanding of how to configure load balancers.
  • Ability to troubleshoot and communicate outside of normal business hours.

45. BS in Cloud Systems Administration with 9 years of Experience

  • Expert knowledge of Redhat linux (RHEL) operating systems.
  • Experience supporting a Linux cluster.
  • Experience managing an LDAP server and VPN.
  • Experience in IC design EDA tool support.
  • Experience in maintaining a firewall environment in line with standard IT security policies.
  • Experience assembling, building and configuring network hardware.
  • Experience implementing user access controls (ABAC, RBAC, DAC, MAC).
  • Proficient in scripting in Unix shell, Tcl, Python, Perl, and Cadence skills.
  • Passionate, self-starter with strong commitment to flawless execution.
  • Excellent written and verbal communication skills.
  • Ability to work well with others in a fast-paced collaborative team environment.

46. BS in Enterprise IT Engineering with 10 years of Experience

  • Hands-on experience with administering Linux systems.
  • Computer science background with the ability to quantify, analyze and resolve complex system issues.
  • Demonstrated ability to develop and debug code written in C.
  • Ability to develop scripts in Perl or Python.
  • Experience with system configuration management tools and revision control software.
  • Good organization skills to balance and prioritize work, and the ability to multitask.
  • Good communication skills and can communicate effectively with staff, customers, and managers.
  • Strong work habits and the ability to work independently as well as within a group setting.
  • Must have HPC experience.
  • Experience with operating and maintaining Lustre file systems, PBSPro batch scheduler, or DMF.
  • Ability to write Fortran and MPI code.
  • Experience developing RFPs and evaluating vendor proposals for technical merit.
  • Experience with Linux kernel development and the Linux development community.
  • Experience with cloud technologies (AWS, Azure, GCP), OpenStack, and Kubernetes.

47. BS in Data Infrastructure Engineering with 5 years of Experience

  • Experience as a Systems Administrator/Engineer.
  • Experience working with Linux Platform (RHEL).
  • Must have exposure to a Windows domain environment.
  • Experience configuring Linux servers from the ground up.
  • Experience in automating tasks in Linux and/or Windows.
  • Knowledge of security screening with McAfee or a similar technology.
  • Strong familiarity with Antivirus restrictions for central monitoring.
  • Knowledge of network security administration of firewalls, including vulnerability scanning.
  • Excellent relational skills, team spirit, and a service-oriented attitude.

48. BS in IT Automation Engineering with 6 years of Experience

  • Experience with Linux in an enterprise environment (Redhat based).
  • Experience with Bash shell scripting and Python scripting.
  • Must be able to lead projects and drive them to completion.
  • Experience with installing and modifying Linux Kernels and the associated O/S.
  • Ability to prioritize and provide timely resolution to issues and requests.
  • Self-motivated and have the ability to work unsupervised.
  • Must be well-organized, efficient, and detail-oriented.
  • Able to work independently and as a member of a team.
  • Must possess excellent written and verbal communication, interpersonal and presentation skills.
  • Must be a quick study with strong comprehension skills for unique applications and environments.
  • Able to provide rotating 24/7 on-call support for technical issues.
  • Must have Jira/Confluence experience.

49. BS in Supercomputing Engineering with 7 years of Experience

  • Experience with Linux system administration.
  • Able to manage packaging.
  • Strong familiarity with RHEL/CentOS.
  • Experience with kernel upgrades, Ansible/Puppet automation, UID/GID management, and iptables firewalls.
  • Experience with LDAP/Active Directory/IPA or similar tools.
  • Strong familiarity with Security Best practices.
  • Working knowledge of scripting languages such as Bash, Ruby, Python, or similar.
  • Comfortable with self-directed effort on individual projects as well as collaborative efforts within and between teams.
  • Experience working at startups.
  • Experience at a semiconductor company.
  • Must have Jenkins or other CI tool, AWS, or Google Cloud experience.
  • Windows/Gnome support, VNCServer/TurboX support experience.
  • Directory service familiarity, for example, LDAP/Samba/etc.
  • Must have Atlassian stack, FlexLM license management experience.
  • Version control system administration experience (Perforce, GIT).

50. BS in Computational Engineering with 5 years of Experience

  • Hands-on experience with Ubuntu Linux System Administration, Red Hat Linux and VMware.
  • Experience in O/S installation, Software and Patch management.
  • Able to debug/troubleshoot hardware issues.
  • Strong familiarity with the configuration and maintenance of workstation and network hardware and peripherals.
  • Hands-on experience in system management, system setup and managing Linux-based workstations as well as configuring them.
  • Able to develop and maintain installation and configuration procedures.
  • Able to install and configure systems that support infrastructure and hardware.
  • Knowledge of scripting languages and the ability to implement.
  • Able to perform system monitoring, verifying the integrity and availability of all workstation resources, systems and key processes, reviewing system and application logs, etc.
  • Able to research and recommend innovative, automated approaches for system administration tasks.
  • Able to identify approaches that leverage resources.

51. BS in Advanced Computing Systems with 6 years of Experience

  • Experience as a LINUX system administrator managing workstations in an enterprise environment consisting of multiple Linux workstations.
  • Experience installing, configuring and updating Ubuntu and RHEL.
  • Experience in maintaining LINUX using automated change management software such as Puppet.
  • Experience with VMware virtual servers/workstations.
  • Must have writing technical documentation skills, including standards, policies and procedures.
  • Able to troubleshoot complex issues with hardware and software.
  • Able to work independently or with minimal supervision.
  • Must have certifications in Ubuntu Linux, Red Hat Linux, and VMware.
  • Strong verbal and written communication skills and be a self-starter.
  • Experience with automation tools such as Puppet Enterprise, ServiceNow IT ticketing systems, CyberArk privileged access management, and working in cleared or secure environments.

52. BS in Systems Integration Engineering with 7 years of Experience

  • Knowledge of network operating systems, as well as programming or scripting languages.
  • Ability to command clustered and virtual storage solutions.
  • Good understanding of HTTP traffic, content delivery and caching.
  • Proficient in crafting, analyzing and fixing large-scale distributed systems.
  • Must have foundational knowledge in KVM.
  • Must have SANs (Storage Area Networks) experience.
  • Proven knowledge of Symantec.
  • Must have Veeam experience.
  • Must have proficiency in VMware.
  • Solid understanding of Linux System Administration.

53. BS in Network Infrastructure Engineering with 6 years of Experience

  • Experience with managing an integrated on-prem computing environment.
  • Experience in multiple programming languages for system development, such as Bash, Python, and PowerShell.
  • Experience with networked environments.
  • Ability to use the route command, administer remote access service, query different DNS records, and configure a network-wide filesystem.
  • Strong familiarity with principles of Cyber Security hygiene and practice of system hardening and monitoring.
  • Ability to manage shared resources and perform moderately complex tasks.
  • Ability to work well independently and as a team member.
  • Ability to train others in applications and operating system fundamentals.
  • Strong familiarity with principles and practice of system configuration management using modern declarative tools such as Puppet, Ansible, or Terraform.
  • Experience with public cloud platforms- Amazon, Google, Azure.
  • Experience with open-source software.

54. BS in Cloud Security Engineering with 11 years of Experience

  • Strong Linux system administration expertise across Ubuntu, Fedora, and CentOS, including user and permission management, cron scheduling, file services, DNS, FTP, proxy services, Samba, LDAP, NFS, NIS, and SELinux best practices.
  • Proficient in shell scripting using Bash, Python, and Perl, along with configuration management through SaltStack and system performance monitoring tools such as Nagios, Zabbix, and OpsGenie.
  • Extensive experience with VMware virtualization (vSphere and ESXi), enterprise backup and recovery using Veeam, and SAN administration across Pure, NetApp, and Dell Compellent platforms.
  • Strong knowledge of Cisco UCS server hardware, OSI networking principles, and cloud architecture and administration on AWS and Azure.
  • Able to plan, organize and document complex system design activities and to configure systems to be consistent with institutional policies/procedures.
  • Able to communicate technical/complex information both verbally and in writing.
  • Able to establish and maintain cooperation, understanding, trust and credibility.
  • Able to perform multiple tasks concurrently and respond to emergencies effectively.
  • Work experience in complex systems design implementation and support.

55. BS in Linux Infrastructure Engineering with 4 years of Experience

  • Must have an active TS/SCI with the ability to obtain and maintain a CI Polygraph.
  • Professional experience as a System Administrator (or similar technical role).
  • Must have Security+ Certification.
  • Experience with Amazon Web Services (S3 Buckets, EC2, Reserved Instances, etc.)
  • Strong familiarity with System Engineering documentation creation (VDDs, network diagrams, data flows, etc.)
  • Experience working with Agile Team Collaboration tools such as Jira, Confluence, RocketChat.
  • Strong Linux background and familiarity with best practices of infrastructure management.
  • Proactive self-starter demonstrating a positive.

56. BS in Intelligent Systems Engineering with 6 years of Experience

  • Willingness, attitude and excellent oral and written communication skills.
  • Experience with AWS and other cloud vendors.
  • Experience with Amazon Web Services technical performance versus cost management.
  • Experience with cloud-based architectures.
  • Strong familiarity with cross-domain architectures at various levels.
  • Experience with automated testing and monitoring.
  • Experience with Engineering Review Boards and Change Management.
  • Must be able to communicate, converse, and exchange information with peers and senior personnel.

57. BS in Infrastructure Automation Engineering with 8 years of Experience

  • Strong LINUX skills and experience working in a Linux-based development environment.
  • Experience in configuring and managing LINUX operating systems.
  • Experience in installing/loading of operating system software, troubleshooting, maintaining system integrity, and configuring network components, along with implementing operating system enhancements to improve reliability and performance.
  • Experience in the Intelligence Community.
  • Must have LINUX certification.
  • Strong networking background.
  • Experience in maintaining SSPs.
  • Strong familiarity with administering code repositories such as GIT and Subversion (SVN).
  • Strong familiarity with the Agile (SCRUM) development methodology using continuous integration and delivery and Atlassian products.

58. BS in Digital Systems Engineering with 7 years of Experience

  • RedHat Enterprise Linux (RHEL) administration/engineering experience with strong troubleshooting skills.
  • Advanced understanding of business technology drivers and their impact on architecture design, performance and monitoring, best practices.
  • Proficient in multiple infrastructure technologies.
  • Ability to articulate to more experienced management a technical strategy in clear, concise, understandable terms.
  • Knowledge on Veritas/RHEL cluster, Block and object storage, Networking.
  • Understanding of Virtualization technologies.
  • Experience with Capacity management, Resiliency and Business Continuity Planning and execution.
  • Experience with Infrastructure automation, Puppet, and Ansible.
  • Strong verbal and written communication skills.

59. BS in Enterprise Systems Engineering with 8 years of Experience

  • Experience working on multiple service improvement programs and able to prioritize workloads.
  • Knowledge of cybersecurity and system security best practices.
  • Experience with multi-tiered application architecture.
  • Strong similarity with agile development methodologies and practices.
  • Proven track record of developing and implementing IT strategy and plans.
  • Self-motivated team player with strong organizational and time management skills.
  • Knowledge of DevOps and Site Reliability Engineer-related experience.
  • Working experience in Financial Institutions.

Professional Skills FAQs

What are professional skills?

Professional skills are abilities that help individuals perform tasks effectively in a workplace environment. These skills include both technical competencies required for specific roles and soft skills such as communication, teamwork, and problem solving.

What is the difference between hard skills and soft skills?

Hard skills are technical abilities learned through education or training, such as programming, data analysis, or laboratory testing. Soft skills refer to interpersonal abilities like communication, leadership, adaptability, and teamwork.

Why are professional skills important for careers and resumes?

Professional skills help employers evaluate whether a candidate can perform job responsibilities effectively. Listing relevant skills on a resume demonstrates qualifications and helps applications pass Applicant Tracking Systems used in modern hiring processes.

What professional skills do employers look for?

Employers usually value a combination of technical expertise and transferable workplace skills. Common examples include analytical thinking, communication, teamwork, leadership, time management, adaptability, and digital literacy.

How can professionals develop professional skills?

Professionals can develop skills through continuous learning, training programs, certifications, mentorship, and practical work experience. Staying updated with industry trends also helps individuals maintain relevant and competitive skills.

Editorial Process

Lamwork content is developed through structured review of publicly available job postings and documented hiring trends.

Editorial operations are managed by Thanh Huyen, Managing Editor, with research direction and final oversight by Lam Nguyen, Founder & Editorial Lead. Content is periodically reviewed to reflect observable labor market changes.

Relevant Information

Linux Systems Engineer Skills, Experience, and Job Requirements