LINUX ENGINEER SKILLS, EXPERIENCE, AND JOB REQUIREMENTS

Reviewed by Lam Nguyen under Editorial Standards

Published: Mar 02, 2026 - The Linux Engineer experience in RPM and Debian-based Linux systems, including troubleshooting, hardening, performance tuning, and file system optimization using tools such as dnf, nmcli, apt, and UFW. This role requires automation and scripting skills in Bash, Perl, and Python, proficiency with YAML and JSON, experience with VMware, HashiCorp tools, GitLab CI/CD, LDAP, API-driven configuration, and secure image management. The engineer is also skilled in Git workflows, test-driven development, CIS hardening standards, and must hold a Red Hat Certified System Administrator certification.

Essential Hard and Soft Skills for a Standout Linux Engineer Resume

  • Linux Systems Administration
  • Red Hat Linux
  • Unix Systems Administration
  • Ansible Automation
  • Virtual Machine Management
  • High Availability Architecture
  • Disaster Recovery Planning
  • Infrastructure Security Compliance
  • DNS Services Administration
  • GPU Accelerated Computing
  • Incident Management
  • Cross Functional Collaboration
  • Stakeholder Communication
  • Problem Solving
  • Strategic Planning
  • Team Mentoring
  • Vendor Coordination
  • Time Management
  • Technical Documentation
  • Customer Support

Summary of Linux Engineer Knowledge and Qualifications on Resume

1. BS in Information Technology with 6 years of Experience

  • Experience in the IT industry.
  • Must have industry standard qualifications, LPIC/CKA/DCA, or industry equivalent.
  • Must have Linux configuration and administration skills (RHEL/Ubuntu).
  • Knowledge of Linux server desired state/configuration management (Ansible/Puppet).
  • Able to containerise administration and configuration (Docker/Kubernetes).
  • Knowledge of the installation of Application servers on Linux OS, including documentation and ongoing updates.
  • Must have scripting skills (PowerShell/Bash/Python/C#).
  • Excellent communication skills with the ability to work as part of a team or individually.
  • Ability to be self-motivated and confident.
  • Excellent documentation skills with close attention to detail.
  • Experience with taking projects from planning through to completion.
  • Ability to handle high-pressure situations.
  • Ability to juggle a mixture of break-fix and project work, managing individual priorities and deadlines.

2. BS in Computer Engineering with 5 years of Experience

  • Experience in the Linux Redhat Family.
  • Experience in Virtualisation and Container Technology (Kubernetes).
  • Must have Linux Certification.
  • Must have certification in VM or container (CKA).
  • Ability to communicate and work across different cultures and social groups.
  • Ability to maintain a positive outlook at work.
  • Ability to work well in a high-pressure environment.
  • Ability to apply active listening techniques such as paraphrasing the message to confirm understanding, probing for further relevant information and refraining from interrupting.
  • Ability to adapt to changing circumstances.
  • Ability to place the client at the forefront of all interactions, understanding their requirements and creating a positive client experience throughout the total client journey.
  • Must be eager to learn new technologies and develop skills.
  • Experience in managing Linux Red Hat Systems.
  • Experience in Kubernetes or any open-source container technology.

3. BS in Information Systems with 7 years of Experience

  • Experience in Linux system administration.
  • Experience in automating manual tasks.
  • Understanding of network fundamentals (DNS, DHCP, TCP/IP, routing, switching, HTTP).
  • Working independently to identify areas for automation and passionate about finding innovative solutions.
  • Engineering experience in a large-scale, high-availability environment.
  • Advanced knowledge of configuration management systems such as Puppet, Chef, Ansible, or related systems.
  • Excellent problem-solving skills with a strong attention to detail.
  • Ability to dive deep into complex technical problems.
  • Experience managing large server fleets.
  • Experience with hardware and software load balancing technologies.

4. BS in Network Engineering with 6 years of Experience

  • Skilled Red Hat Linux engineer with good knowledge of Automation tooling.
  • Willingness to learn with the ability to continuously improve processes and documentation.
  • Must be passionate about making improvements to the environment with a keen interest in self-development.
  • Experience working in a critical environment, such as the Financial sector.
  • Experience with DevOps tools (Jenkins, Git).
  • Experience in Configuration Management systems, preferably Ansible, and in the automation of infrastructure workflows.
  • Knowledge of Red Hat Enterprise Linux 6 and/or 7 administration and configuration.
  • Knowledge of Linux best practices, troubleshooting, security/hardening and performance tuning.

5. BS in Computer Science with 7 years of Experience

  • Experience as a mid to senior-level Linux Infrastructure Engineer or related role.
  • Must have a programming mindset to help build the right tools for continuous improvement.
  • Extensive knowledge of a wide range of Linux services and peripherals.
  • Must be passionate about automation.
  • Able to manage environments using configuration management and orchestration tools.
  • Knowledge of virtualisation with an emphasis on bare metal.
  • Must have close attention to detail, coupled with strong communication skills.
  • Experience working independently on large projects, as well as participating as a supporting member within the team.

6. BA in Information Systems Management with 8 years of Experience

  • Demonstrated project management experience.
  • Knowledge of various vulnerability scanning solutions, scripting and automation (e.g., Kenna and Qualys).
  • Experience with automation tools like Ansible and Ansible Tower, database and Java.
  • Excellent written and verbal communication.
  • Must be able to communicate technical solutions to management.
  • Able to develop applications (in-house developed or off-the-shelf).
  • Experience with Windows/SCCM/WSUS or aptitude to learn them.
  • Must have PMP, ITIL, and Six Sigma certificates.

7. BS in Data Science with 7 years of Experience

  • Experience supporting diverse IT systems, processes, or capabilities.
  • Information technology security experience.
  • Solid understanding of industry best practices for Patch Management.
  • Demonstrated experience in mapping business processes and comparing those processes to industry best practices.
  • Ability to work closely with Business and development.
  • Thorough understanding of the balance between business and patch requirements.
  • Must have good competency with any Linux patching tool and script language.
  • Proficient in scripting of packaged installation of patches, software and configuration changes, including script automation to improve patch management processes.
  • Excellent understanding of network, system and application security.

8. BA in Computing Technology with 10 years of Experience

  • Experience developing/administering platforms across the full technology stack, server OS, server hardware, storage and virtualization.
  • Strong hands-on server virtualization experience.
  • Strong hands-on server administration experience within Linux (RHEL).
  • Strong automation success portfolio demonstrating tactical knowledge of Infrastructure as a Service (IaaS), Platform-as-a-service (PaaS) and infrastructure-as-code via use of common DevOps toolchain platforms.
  • Strong datacenter architecture skills specific to data/database architectures supporting high-availability and disaster recovery.
  • Able to administer Linux OS platforms.
  • Knowledge of hypervisor administration, VMWare.
  • Knowledge of devOps infrastructure delivery toolchain platforms, Terraform, Ansible, Puppet, and Bitbucket.
  • Knowledge of scripting, Python, Ruby, Shell, and PowerShell.
  • Knowledge of common data center architecture tenants, including converged/hyper-converged architecture, hybrid cloud and cloud models.
  • Knowledge of the administration ofthe  Windows OS platform.
  • Experience with administration or development within common relational RDBMS platforms, Oracle, SQL Server nda Postgres.
  • Experience with administration or development within common Data Analytics platforms with Hadoop foundations, IBM Big Insights, IBM BigSQL, Python, R, Spark.
  • Experience with administration or development within common Data Analytics cloud platforms, Google Cloud Platform (GCP), or MS Azure.

9. BS in Software Engineering with 3 years of Experience

  • Experience as a Unix/Linux Systems Administrator.
  • Solid grasp of Linux/Unix systems.
  • Solid grasp of Windows fundamentals.
  • General knowledge of networking protocols.
  • Experience with virtualization technologies, VMWare ESXi.
  • Knowledge of or desire to learn a programming or scripting language.
  • Strong familiarity with various block-level technologies such as FC, iSCSI, and SAS.
  • Must have clear and effective communication skills, both written and spoken.
  • Ability to thrive in a dynamic, fast-paced environment.
  • Ability to work under pressure with a diverse team.
  • Ability to work under moderate supervision.
  • Ability to conduct yourself in a professional manner and thoroughly complete tasks and responsibilities.

10. BS in Network Engineering with 6 years of Experience

  • Excellent knowledge of multiple OS platforms such as Red Hat, Ubuntu, CentOS, SuSE and Solaris.
  • Strong experience working with Linux systems (Configuring, tuning, monitoring and analysing).
  • Good working knowledge of Infrastructure as Code principles and practices.
  • Experience with either of the following programming languages: Python, Perl, or Bash.
  • Docker and Kubernetes experience.
  • Excellent knowledge of continuous integration (CI) and continuous development (CD) principles and practices.
  • Solid working knowledge of GitHub and Subversion.
  • Knowledge of configuration management software such as Chef, Puppet, Ansible, Terraform and SaltStack.

11. BS in Data Science with 7 years of Experience

  • Must be able to obtain DHS program suitability before starting employment.
  • Advanced Linux skills.
  • Proficient with configuration management using Ansible or Puppet.
  • Skilled in Linux-related scripting (Bash, Perl, Python, etc.)
  • Experience in analyzing and evaluating the design and operating effectiveness of Information technology and security controls that are in place.
  • Knowledge and understanding of operating systems, networks and services.
  • Knowledge of Red Hat version 6 or 7(rhel6/rhel7) with the ability to engineer, install, administer and maintain.
  • Experience evaluating security solutions to ensure they meet security requirements for processing classified information.
  • Able to manage changes to the system and assess the security impact of those changes.
  • Experience and/or familiarity with the following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), log analysis, malware analysis, network traffic flow and packet analysis.
  • Must have Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).

12. BS in Computer Science with 4 years of Experience

  • Experience in a technical support role or as a system administrator for any Linux OS.
  • Great troubleshooting skills.
  • Able to read and understand source code (bash).
  • Strong problem-solving and communication skills.
  • Excellent customer service skills.
  • Able to speak fluent English (German).
  • Knowledge of storage technologies (like SAN, multipathing, iSCSI, LVM).
  • Knowledge of networking concepts and protocols.
  • Knowledge of LDAP, Kerberos, Samba, Active Directory, Linux Kernel, and container technologies.
  • Knowledge of non-x86_64 architectures.

13. BS in Cybersecurity with 7 years of Experience

  • Experience with Linux (Red Hat) operating systems and experience as a System Lead.
  • Linux/UNIX background and experience in the Red Hat operating system.
  • Experience with RHEL High Availability Cluster.
  • Experience with RedHat Satellite.
  • Experience with Git version control.
  • Experience with governance frameworks such as ITIL.
  • Strong familiarity with storage technologies, including SAN and NAS.
  • Intermediate level scripting skills with Python/PERL and Bash.
  • Experience with cloud services.
  • Knowledge to understand, create and improve Ansible Playbooks and Roles.
  • Experience working in an international and intercultural environment.
  • Excellent spoken and written English.
  • Strong verbal and written communication skills.
  • Ability to work on project teams and across departments.

14. BS in Network Engineering with 5 years of Experience

  • Must have clear and concise communication skills.
  • Ability to efficiently analyze and deconstruct technical problems.
  • Deep knowledge of operating system fundamentals, especially Linux.
  • Fluent with the Unix command line and shell scripting.
  • Practical experience with modern Linux systems and systems programming concepts like C, sockets, virtual memory, and the process life cycle.
  • Basic understanding of network protocols.
  • Strong troubleshooting skills and knowledge of profiling/debugging tools such as gdb, perf, DTrace, or SystemTap.
  • Programming experience in any language (functional languages).
  • Ability to be fluent in English.

15. BS in Data Science with 9 years of Experience

  • Strong Knowledge in installing, configuring, troubleshooting and administering all flavours of Linux.
  • Strong understanding of Cluster Services.
  • Strong Knowledge in installing and configuring all flavours of ESXi and vCenter server.
  • Troubleshooting knowledge on ESXi and vCenter performance issues.
  • Able to troubleshoot vSphere storage and vSphere networking issues.
  • Strong understanding of vSphere Cluster Services (HA, DRS, DPM, EVC).
  • Understanding of VMware Site Recovery Manager for disaster recovery.
  • Knowledge of Virtual Machine snapshots and VMware VDP.
  • Knowledge on VMware vRealize Suite that includes (vRA, vRO and vROPS).
  • Good knowledge of SAN technologies and converged solutions like VMware vSAN and HC series.
  • Good knowledge of HP Servers Blade, Rackmount and Virtual Connect.
  • Knowledge of Linux Vulnerability assessment and Mitigation.
  • Knowledge of HPE Service Guard cluster on RHEL.
  • Knowledge of Patch deployment solutions, Red Hat.
  • Working knowledge of SUSE and other Linux flavours.

16. BS in Network Engineering with 6 years of Experience

  • Experience in areas of networking, Linux, open protocols, load balancing, disaster recovery and DNS.
  • Experience in CI/CD (GitLab, Liquibase).
  • Experience with Windows, Linux system administration, and/or Enterprise applications.
  • Experience in working with virtualisation and containerization technology.
  • Experience in automation tools (Puppet, Ansible).
  • Experience in Authentication Protocols, Identity and Access Management Systems and Key Management Systems.
  • Experience with one or more public cloud platforms (AWS, Azure, GCP), including infrastructure, storage and platforms.
  • Strong problem-solver.
  • Able to team player with strong communication skills.

17. BS in Information Technology with 5 years of Experience

  • Experience in working with RDBMS (PGSQL).
  • Experience with IBM tools, DB2, DataStage, Cognos, and ICP4Data.
  • Experience with RedHat, OpenShift and Foreman.
  • Experience with multiple scripting languages (Python, Spark).
  • Must be interested in Analytics, AI, ML, and Big Data technology.
  • Must have a passion for technology and want to excel in it.
  • Must have an intellectual curiosity combined with outstanding analytical skills.
  • Able to work in an international environment.
  • Able to speak fluently in English, Dutch, or French.

18. BS in Information Systems with 7 years of Experience

  • Experience Python, JS, Bash, or Ruby.
  • In-depth knowledge of Linux.
  • Able to manage high-availability production systems.
  • Able to manage, maintain, and troubleshooting applicative aspects of production server systems.
  • Good interpersonal nda written communication skills.
  • Able to be self-motivated, self-Taught, and proactive.
  • Able to work in a fast-paced environment with rapid project cycles.
  • Knowledge of AWS cloud, Jenkins jobs and pipelines.
  • Able to use advanced monitoring systems.
  • Able to run web servers in a Production environment.
  • Able to configure management tools (puppet ansible).
  • Knowledge of infrastructure as code (Terraform).
  • Knowledge of network troubleshooting, server hardening, performance tuning, and HA Clusters.

19. BS in Software Engineering with 4 years of Experience

  • Able to work comfortably with shell/Linux, basic cloud operations, and code comfortable in Python/bash to help test the pipeline and build utilities.
  • Good debug ability.
  • Experience in Software Development.
  • Able to work independently with minimal to no supervision.
  • Experience with expertise in shell/Linux/Bash, basic knowledge of Cloud.
  • Able to code comfortably in Python/bash to help test the pipeline and build utilities.
  • Prior working experience working closely to fine-tune ML algorithms.
  • Experience working closely with data scientists.
  • Strong analytical, problem-solving and synthesising skills.

20. BS in Computer Science with 9 years of Experience

  • Extensive experience in systems engineering, software engineering, operating systems programming, or systems architecture.
  • Expert knowledge of Linux, especially Red Hat Enterprise (Linux versions 7 through 8).
  • Good understanding of Linux security, performance tuning and troubleshooting, Linux security hardening, auditing and Linux servers in virtualised environments.
  • Working knowledge of computer hardware, operating system software and desktop applications.
  • Able to adapt in scripting, bash/python.
  • Must have Red Hat certification or equivalent.
  • Must have AWS Certification.
  • Experience in the ITIL framework (Change, Incident and Problem).
  • Excellent problem-solving and analytical skills.

21. BS in Cybersecurity with 7 years of Experience

  • Advanced Linux-based systems administration, debugging and performance tuning skills.
  • Experience in supporting applications in large, high-availability environments.
  • Experience in automating with Bash/Perl/Python/Ansible/XLdeploy.
  • Fluent in German.
  • Fluent in English.
  • Must have reliability and precision at work, and team spirit.
  • Must have the fundamentals of databases and SQL syntax knowledge.
  • Experience in network administration.
  • Experience with VMware virtualisation.
  • Experience in the field of JBoss configuration and performance tuning.
  • Experience in the field of monitoring systems integration.
  • Experience in OpenShift/Kubernetes and/or Docker.

22. BS in Information Technology with 3 years of Experience

  • Excellent knowledge of the Linux environment.
  • Work experience as a Linux system Engineer.
  • Knowledge of network protocols and of at least one scripting language.
  • Knowledge of the Windows environment.
  • Experience with Gitlab, Ansible, Docker, Kubernetes, Terraform, and Vagrant.
  • Must have an interest in pursuing a career in the DevOps field, desire and willingness to learn.
  • Good problem-solving skills and analytical skills.
  • Must have communication/interpersonal skills (cooperation with clients).

23. BS in Computer Science with 5 years of Experience

  • Experience in system administration, engineering, or applicable areas where infrastructure management is the focus (system administrator, system engineer, DevOps, etc.)
  • Working experience with Configuration tools, SolarWinds Server Configuration Monitor, CFEngine, Puppet, CHEF, Ansible, SALTSTACK, JUJU, RUDDER.
  • Deep understanding of at least one of the following languages: Bash, Python, or Perl.
  • Must have fluent German language.
  • Excellent team and interpersonal skills.
  • Ability to work independently with minimal supervision.
  • Eagerness to contribute in a team-oriented environment.
  • Ability to work in a fast-paced environment.
  • Ability to participate and lead technical meetings with clients or internal customers.

24. BS in Network Engineering with 7 years of Experience

  • Advanced knowledge of Linux infrastructure Environments.
  • Experience with CM tools (Puppet, Chef).
  • Must have AWS production experience.
  • Experience supporting Dockerized environments.
  • Previous MySQL hands-on background.
  • Experience with monitoring tools (Zabbix, Nagios).
  • Solid experience with Network switch/router configuration (Cisco).
  • Knowledge of PCI Compliance.
  • Experience in Linux Server Environment, Amazon Web Services environment.
  • Experience hands-on (Migration/Scaling/Maintenance).
  • Able to work in a team on troubleshooting.

25. BA in Technology Management with 1 year of Experience

  • Basic troubleshooting to resolve straightforward Linux and network-related technical problems.
  • Must have troubleshoot basic connectivity problems across the different layers of the OSI model from the Linux standpoint of view using tools like ping, traceroute, ifconfig, tcpdump, etc.
  • Basic understanding of Networking fundamentals like CIDR notations, the OSI model, HTTP/HTTPS, DNS, SSH, TCP, routing, switching, subnets, ACLs, and NAT.
  • Able to perform basic networking administration tasks, like being able to connect an individual PC to the network/internet and set FW rules.
  • Able to perform basic administration tasks and initial troubleshooting of different Linux distributions.
  • Knowledge of the most common OS logs used for troubleshooting problems.
  • Able to troubleshoot disk space issues.
  • Knowledge of the administrative tasks to address these problems.
  • Understanding of security in Linux (filesystem permissions, etc).

26. BS in Information Systems with 2 years of Experience

  • Experience managing users and groups.
  • Able to troubleshoot booting issues and manage services in Linux (SystemV and or SystemD).
  • Basic backup and restore concepts (desktops/laptops).
  • Experience installing software using the different package managers.
  • Basic understanding of applications such as Apache, NginX, MySQL, etc.
  • Able to troubleshoot performance issues in a single domain using common OS tools such as top, sar and free.
  • Basic understanding of process lifecycle and signals.
  • Basic understanding of a 3-tier web application and a general idea of which components are stateful and which ones are stateless.
  • Basic understanding of shell concepts such as variables, aliases, redirection and shell expansion.

27. BS in Cloud Computing with 9 years of Experience

  • Systems engineering and/or systems administration experience.
  • Must have mastery of Linux.
  • Deep understanding of LDAP, NTP, NFS, DNS, DHCP, SMTP, etc.
  • Experience administering CentOS/RedHat Linux and/or Ubuntu Linux.
  • Proven technical experience and a solid foundation in operating systems.
  • Experience with Puppet, Ansible, or other configuration management tools.
  • Experience with container technologies such as Docker.
  • Able to write scripts in some administrative language (Python, Perl, Go, Shell).
  • Strong performance troubleshooting skills.
  • Good team communication skills with technical and non-technical colleagues.
  • Able to read and perform debugging of C/C++/Java/Go programs.
  • Strong familiarity with OpenStack, AWS, or Google Cloud.
  • Strong familiarity with tuning and troubleshooting the Linux kernel.

28. BS in Computer Engineering with 8 years of Experience

  • Hands-on experience with architecture, implementation and operation of a Linux-based compute environment.
  • In-depth knowledge of the Linux OS, advanced network concepts, knowledge of traditional storage platforms, firewalls, and load balancers.
  • Experience administering or architecting implementations on Amazon Web Services, Google Cloud Platform, or Microsoft Azure PaaS/IaaS platforms.
  • Experience using system configuration management tools (e.g Chef, Ansible, SaltStack, Puppet, cfengine, etc.) to manage compute infrastructure at scale.
  • Experience in setting and meeting project goals when implementing and integrating complex technology concepts.
  • Expertise in at least one scripting and/or high-level language shell, Python, Node.js, Perl, Golang, preferably with experience using REST API interfaces, and using version management (e.g., Git, Subversion).
  • Hands-on experience with containerization technologies and tools, OpenShift, Pivotal Cloud Foundry, Kubernetes, Docker.
  • Experience deploying infrastructure or configuration as code with Terraform, cloud-init, and Ansible.
  • Experience using/developing against relational and NoSQL databases.
  • Experience using serverless architectures, such as AWS Lambda or Google Cloud Functions.

29. BA in Technology Management with 6 years of Experience

  • RedHat, SUSE, or similar systems experience.
  • Must have RedHat (RHCSA) or SuSE (SCA) Certified Engineer or relevant certification.
  • Experience working within an enterprise ticketing system, incidents, requests, and change records, preferably Service-Now.
  • Good understanding of Networking concepts.
  • Understanding of DNS concepts and InfoBlox, and Active Directory concepts.
  • Experience managing virtual servers on the VMware platform.
  • Patch management experience, virtual server build experience using templates.
  • Understanding of the concepts of Puppet.
  • Strong BASH scripting skills.
  • Good analytical and problem-solving skills.
  • Good interpersonal skills, effective team player.

30. BA in Information Systems Management with 9 years of Experience

  • Understanding of SAN concepts, ITIL concepts, and Linux Security concepts.
  • Understanding of Linux Performance tuning concepts.
  • Advanced diagnostic and troubleshooting skills.
  • Able to resolve complex issues related to the OS.
  • Expert understanding of Logical Volume Management.
  • Advanced understanding of the Linux boot process.
  • Advanced understanding of the Linux Kernel.
  • Must have advanced knowledge of Enterprise Puppet, VCS, SUSE Manager, and Red Hat Satellite server.
  • Experience with general IT concepts beyond their primary discipline.
  • Good analytical skills with attention to detail, and presentation skills.
  • Ability to prioritize workload.
  • Understanding of ITSM.

31. BS in Computer Engineering with 10 years of Experience

  • Experience as an Infrastructure Engineer.
  • Extensive experience in deploying and administering infrastructure solutions.
  • Experience running business initiatives from start to finish.
  • Excellent written and verbal communication skills.
  • Must have a high level of analysis/troubleshooting skills.
  • Ability to manage and coordinate vendor relationships.
  • Able to think logically with a structured and forward-thinking approach.
  • Effective reporting and stakeholder management.
  • Must have VMware certification or equivalent experience.
  • Able to administer, set up, deploy, and configure RHEL and CentOS operating systems.
  • Able to manage infrastructure management products (Red Hat Satellite, Foreman, Spacewalk).
  • Experience with automation and orchestration applications (Kickstart, Ansible, Puppet).
  • Strong familiarity with server security hardening standards for Linux (SELinux, firewalld, Fail2ban, CIS Benchmarking).
  • Strong understanding of storage arrays, fibre channel SAN and configuring LUNs.
  • Good understanding of networking principles, virtual networking, port groups and VLANs.

32. BA in Computer Information Systems with 5 years of Experience

  • Good knowledge and understanding of the Linux OS.
  • Experience with CentOS (or any other RHEL-derived OS).
  • Experience with Bash scripting or Python.
  • Must have troubleshooting skills.
  • Solid fundamentals of security concepts.
  • Good knowledge and understanding of virtualisation platforms.
  • Experience with VMWare or KVM.
  • Good knowledge and working experience with Ansible.
  • Good understanding of server hardware.
  • Experience with environments of 250+ servers in multiple locations.
  • Experience in maintaining and operating backup solutions.
  • Experience with patch management solutions.
  • Experience with git.

33. BS in Computer Engineering with 8 years of Experience

  • Experience as a Linux Systems Admin/Engineer, Devops or SRE.
  • Experience supporting Level 2/3.
  • Advanced scripting and automation experience (BASH, Python) as well as Command-line scripting experience.
  • Senior or Technical Lead experience.
  • MySQL or MariaDB experience.
  • Strong hardware/software troubleshooting.
  • Experience working with SAN, VMWare, and Dell Servers.
  • Experience with automation tools like Ansible or Salt.
  • Strong experience in networking and DNS.
  • Experience with cloud services like AWS, Azure, or Google Cloud.
  • Experience with containerization, such as Kubernetes, Docker, etc.

34. BS in Cybersecurity with 7 years of Experience

  • Strong knowledge of Linux/Unix Server (administration, health checks, installation and configuration).
  • Good knowledge of virtualisation.
  • Good knowledge of networking concepts, routing, switching, security, and load balancing.
  • Good scripting skills (e.g., BASH, Python, etc.)
  • Able to perform database management and have SQL language awareness for queries.
  • Excellent problem-solving/analytical skills and knowledge of analytical tools.
  • Able to be flexible, proactive, and independent in gathering knowledge.
  • Excellent communication skills in both English and Romanian.
  • Good knowledge of telecom fundamentals and architecture of GSM/CDMA networks, service-oriented, and service orchestration architectures.
  • Prior experience in handling onsite deployment activities and having led delivery teams of telecom applications.
  • Understanding of DevOps practices.
  • Hands-on experience in process automation, best practice approach, technology efficiency, and effectiveness.
  • Previous experience in an NOC environment.
  • Excellent technical documentation affinity.
  • Able to agile way.

35. BA in Information Systems Management with 8 years of Experience

  • Extensive knowledge and experience in administering Linux Operating Systems, including CentOS and Red Hat.
  • Extensive knowledge in FTP, SFTP, NTP, DNS, and Nagios.
  • Extensive knowledge of email, anti-spam, anti-virus, DMARC, DKIM and SPF.
  • Experience in shell and Python scripting.
  • Experience and knowledge of Microsoft Server 2008/2012/2016.
  • Knowledge of DHCP, Active Directory, and other domain service functions.
  • Knowledge of VMWare ESX/vSphere administration.
  • Working knowledge of enterprise-level storage solutions.
  • Understanding of IT Security Standards in an enterprise environment.
  • Experience in backup technologies.
  • Strong communication skills, including proficiency in English and German.

36. BS in Data Science with 9 years of Experience

  • Experience managing a large 24x7 enterprise environment (hundreds of servers, multiple sites).
  • Deep understanding of the Linux Kernel (scheduling, networking, I/O, monitoring).
  • Solid background in configuration management (Puppet/salt, build RPMs, deploy updates).
  • Strong understanding of software engineering (design, testing, version control).
  • Experience in Python/C/++/Ruby.
  • Highly methodical and analytical approach to problem solving and evaluating technologies.
  • Ability to dedicate to quality and attention to detail.
  • Good understanding of IT infrastructure and networking.
  • Good knowledge of VMware.
  • Good knowledge of storage and back-up.

37. BS in Network Engineering with 6 years of Experience

  • Experience with data structures, algorithms, object-oriented design, design patterns, and performance/scale considerations.
  • Must have analytical and design skills.
  • Hands-on experience with back-end development, including, but not limited to, Ruby, Puppet, Python, and Go.
  • Database experience, particularly with PostgreSQL, MySQL, MariaDB, or Oracle.
  • Experience with Database deployments at scale.
  • Experience with CI/CD systems, Jenkins, TeamCity, etc.
  • Experience with Agile product development, Scrum, and Kanban.
  • Experience in Linux Red Hat.
  • Excellent communication skills, ability to build and maintain working relationships with internal and external customers.
  • Able to take a systematic, disciplined and analytical approach to problem solving.

38. BS in Computer Engineering with 10 years of Experience

  • Expert knowledge of Unix operating systems (Red Hat/CentOS, Ubuntu, Solaris).
  • In-depth understanding and experience in the design, implementation and sustainment requirements for Information Technology systems in general and Linux platforms in particular (e.g. RedHat/CentOS Linux, DNS, directory services, mail servers, web servers, etc.)
  • Must be able to demonstrate advanced troubleshooting experience.
  • Experience in managing Red Hat (RHEL 5 and 6).
  • Expert technical capabilities in UNIX and Linux systems, preferably in Red Hat platform solutions, including Red Hat Enterprise Linux (RHEL) and Red Hat Satellite.
  • Must have Red Hat Certified System Administrator (RHCSA) qualification and/or industry experience.
  • Fluent in English.
  • Experience with Linux servers in virtualised environments.
  • Strong familiarity with the fundamentals of Linux scripting languages.
  • Experience installing, configuring, and maintaining services such as Bind, Apache, MySQL, nginx, etc.

39. BS in Cloud Computing with 6 years of Experience

  • Good Linux skills, project inception through to build and ongoing maintenance.
  • Experience working in a virtual infrastructure environment.
  • Previous experience with relatively large server volumes, and have an understanding or experience with Automation.
  • Good understanding of LAN/WAN topologies, general networking and web-based security.
  • Solid scripting skills in bash and Python.
  • Must have Ansible experience.
  • Must have UNIX scripting skills.
  • Good understanding of Storage, Networking and Cloud computing technologies.
  • Experience in MySQL, Cloudera and Hadoop.
  • Must have communication and customer service skills.

40. BS in Computer Science with 4 years of Experience

  • Must have English, at least B2.
  • Experience with Linux system engineering (Ubuntu, SLES) and Linux programming.
  • Experience with software development in Ruby, Python, or C++.
  • Basic understanding of networking, DNS, Kerberos, and LDAP.
  • Good knowledge of automation, configuration, and infrastructure management in Puppet.
  • Experience with Kubernetes or Docker.
  • Knowledge of CentOS 7/8, Amazon Linux, and Ubuntu 18/20.
  • Knowledge of VMware vCenter/vSphere/Horizon View.
  • Knowledge of Amazon Web Services, Apache/NGINX Web Services.
  • Able to automate configuration management.
  • Good written and verbal communication.

41. BS in Software Engineering with 7 years of Experience

  • Experience with Java, ElasticSearch and/or SOLR.
  • Experience with Data extraction, transformation and load (ETL), mapping, analytical and operational support.
  • Experience with Database support and maintenance.
  • Experience TS/SCI with Polygraph.
  • Experience with Linux, Tomcat, Hibernate, Jira/Confluence, Jenkins, GIT, RDBMS, Vue, Angular, and messaging/queuing technologies.
  • Experience with consuming and creating web services, as well as additional JavaScript frameworks.
  • Strong knowledge in network technology/-security as well as very good Linux skills.
  • Experience with Python, Bash, or other scripting languages.
  • Must have creativity and curiosity, willingness to learn and work in an international team.
  • Must have problem-solving and communication skills.

42. BA in Information Systems Management with 8 years of Experience

  • Deep understanding of Linux anatomy, user-space processes, daemons, boot process, etc.
  • Strong familiarity with Web Servers and monitoring systems.
  • Experience with Network drivers and Linux processes.
  • Experience in the development of large systems.
  • Experience with JavaScript and Python.
  • Experience Linux kernel development.
  • Previous experience in supporting Linux, ideally Red Hat and Ubuntu.
  • Experience with NFS and SMB file servers, preferably DELL EMC Isilon.
  • Experience with Docker, qemu/kvm, Jenkins and Git.
  • Able to working practice in keeping with the regulated environment of a data centre.
  • Good knowledge of server hardware fault troubleshooting and component replacement.
  • Good problem-solving skills.

43. BS in Computer Engineering with 7 years of Experience

  • Well-founded experience in the operation and administration of heterogeneous server environments.
  • Must have current Linux certificates.
  • Knowledge of safe handling of heterogeneous infrastructures.
  • Good knowledge of the operation of application servers (Tomcat, Springboot) as well as web services based on Docker, Kubernetes, Apache, Nginx and others.
  • Good knowledge of programming scripts based on Bash, Ansible, or Python.
  • Knowledge of Docker, Ansible, and SQL technologies.
  • Expert Linux administration skills, specifically RHEL.
  • Advanced knowledge in automating Linux platforms using Python.
  • Experience with DevOps tools such as Puppet, Docker, Terraform, etc.
  • Strong cloud knowledge with AWS or Azure, but focused on API-based interaction.
  • Able to work well in a high-pressure environment.

44. BA in Technology Management with 5 years of Experience

  • Proficient in English.
  • Experience as a Linux engineer, including system-related automation tasks.
  • Good teammate, dedication to treating sophisticated issues.
  • Knowledge on Python, Ansible/Puppet, CentOS/RHEL OS management, GIT/GitHub, JIRA, and ITIL processes.
  • Knowledge of APIGEE software, CI/CD, ServiceNow, Secure Coding, and VMware (user).
  • Experience working within an international company.
  • Experience Red Hat/CentOS/Debian/Ubuntu.
  • Understanding of Networks.
  • Must have Cloud experience, Azure, or AWS.
  • Must have scripting skills, Bash/Python/PHP/Perl.
  • Must have ISP experience.

45. BS in Data Analytics with 6 years of Experience

  • Good working knowledge of the technology area.
  • Good working knowledge and experience of associated infrastructure engineering tools, techniques, and methods within their specialist area.
  • Must have infrastructure skills covering administration, fault finding/diagnosis and fixing.
  • Experience within a customer support environment.
  • Experience in File/Print Clusters, enterprise-level thin client environments, messaging systems, and working to tight SLA's.
  • Experience in embedded Linux software development.
  • Strong C /C++ programming skills.
  • Experience in Linux Kernel and Android Software Development.
  • Experience with ARM processors and/or embedded software development on mobile devices.
  • Software security experience (security principles, threat modelling, exploit mitigation, vulnerability detection, etc.) or related work experience.
  • Strong attention to detail.

46. BA in Information Systems Management with 9 years of Experience

  • Proficient with Linux Operating System internals.
  • Proficient in designing, developing, and testing scripts in Python.
  • Willingness to learn and adopt new languages.
  • Experience in architecting and implementing business continuity plans, recovery strategies and hardening strategies for highly available platforms.
  • Able to implement controls and monitoring solutions to ensure appropriate security, performance, scalability and monitoring guidelines are achieved for runtime platforms.
  • Understanding of secure application and environment design and management concepts.
  • Good verbal and written communication skills.
  • Experience in utilizing various influencing skills.
  • Able to collaborate, communicate and deliver in a global environment.
  • Ability to present to management, internal client audiences, or professional peers.
  • Ability to work independently on problem-solving and investigation.
  • Technical knowledge of LDAP environments in medium to large enterprises.
  • Protocol-level expertise with LDAP and Kerberos.
  • Working knowledge of Identity Management, Single Sign On and Federated Identity principles.
  • Expertise in operating and implementing commercial and/or open source monitoring software.

47. BS in Software Engineering with 4 years of Experience

  • Experience building, installing and supporting Linux servers, ideally Red Hat/Debian-based distributions.
  • Experience building, installing, and supporting Linux servers.
  • Excellent customer service skills with working experience.
  • Experience with Linux systems in a networking environment.
  • Experience in Linux systems administration in a hosting environment.
  • Experience installing, configuring and supporting Apache/NGiNX, MySQL/PostgreSQL, FTP and Mail Servers.
  • Must have exposure to diagnosing various server issues using standard open source tools.
  • Must have exposure to command-line scripting.
  • Experience using Linux control panels, such as cPanel or Plesk.
  • Must have exposure to programming languages such as PHP, Perl, Python, HTML and SQL.
  • Must have a qualification/certification to RHCT/RHCSA/LPIC-1.

48. BS in Computer Science with 9 years of Experience

  • Solid (RPM and Debian) Linux engineering, troubleshooting, testing and hardening experience.
  • Experience using new RPM tools like ip, dnf, nmcli hellip.
  • Experience using apt, ubiquity, Debian installer, and UFW.
  • Strong familiarity with writing, reading and understanding YAML and JSON files, automation scripting skills in Perl, bash and Python.
  • Hands-on experience designing, implementing and optimizing Linux file-systems.
  • Experience with vCenter, VMware ovftool, and Hashicorp Vault and Packer tools.
  • Knowledge of CIS Workbench hardening, Linux Test Project and experience with eliciting test cases.
  • Experience with Linux troubleshooting, hardening, and performance tuning.
  • Gitlab experience creating workflows, CICD pipelines, and setting variables.
  • Strong familiarity with Test Driven Development (TDD).
  • Experience with LDAP.
  • Experience with API-driven configuration.
  • Able to write and review pull-merge requests in Git.
  • Hands-on experience with creating Linux system images and publishing to a repository system such as Artifactory, etc.
  • Must have Red Hat Certified System Administrator certification.

49. BS in Computer Engineering with 8 years of Experience

  • Must have RedHat Certified Engineer (RHCE) Certification.
  • Proficient and possess a strong understanding of Linux.
  • Experience with Red Hat, CentOS, OpenSUSE and AIX Linux distributions.
  • Solid experience with TCP/IP, firewalls, DNS, routers, and switches.
  • Strong understanding of and experience administering common network services run on Linux systems.
  • Strong familiarity with MySQL and other open-source database systems.
  • Ability to successfully interact with all levels of management, other IT professionals, and end-users.
  • Keen understanding of security risks and evangelizing the importance of following security procedures.
  • Knowledge of Microsoft Windows operating systems.

50. BS in Information Systems with 7 years of Experience

    • Knowledge of VMWare virtualization, SAN storage systems, network topology and security, Linux/Unix operating systems, Apple operating systems, and SharePoint.
    • Able to learn and show growing knowledge of critical applications utilized by the credit union.
    • Knowledge of credit union and financial industry products, including rules, regulations, policies, and procedures.
    • Must have excellent organizational, documentation, and communication skills.
    • Knowledge of backups, high availability, and disaster recovery scenarios.
    • Ability to maintain and monitor the availability, security, and integrity of Linux systems.
    • Strong sense of ownership and responsibility with assignments.
    • Strong familiarity with project management.
    • Must have security-related certifications, Linux Certifications, and Cisco Certifications.

51. BS in Network Engineering with 6 years of Experience

  • Hands-on Linux experience (design and implementation).
  • Experience Windows OS and ESXi/vCenter as it relates to servers.
  • Solid understanding of Linux Red Hat servers using the command line.
  • Must have project management skills.
  • Must possess effective written and verbal communication skills.
  • Must possess knowledge of monitoring technologies and methods relating to telecom systems.
  • Must possess a high level of comfort with debugging complex issues.
  • Must possess excellent customer service skills.
  • Able to work independently and with a team in a highly customer-focused environment.

52. BA in Computer Information Systems with 5 years of Experience

  • Strong project skills, specifically the ability to maintain focus and complete projects with multi-month timeframes.
  • Ability to work with third-party service providers.
  • RHEL experience in an enterprise environment.
  • Must have Apache experience.
  • Ability to handle multiple projects at the same time.
  • Solid troubleshooting skills.
  • Ability to think logically and visualize abstract concepts.
  • Ability to clearly communicate technical information to individuals at all levels of the organization and with vendors.
  • Ability to prioritize multiple tasks.

53. BS in Cloud Computing with 9 years of Experience

  • Experience in advanced technical roles with substantive knowledge of all facets of IT operations management, high availability networks, disaster recovery architectures, security, and application hosting in on-premises and cloud environments.
  • Must have mastery of Red Hat Enterprise Linux and Oracle Solaris operating systems.
  • Strong scripting experience in bash or Python.
  • Experience in building and managing web servers such as Apache HTTP, Nginx and Apache Tomcat using automation and orchestration tools.
  • Experience in setting up Amazon Web Services (AWS) environments using automation.
  • Must have experience implementing and managing large enterprise-class server environments.
  • Must be able to work closely within a high-performing team.
  • Understanding of networking, routing, subnets, UDP, TCP, IP, and VLANs.
  • Must have strong communication skills.

54. BS in Information Technology with 7 years of Experience

  • Good attitude and ability to assist and integrate with other engineers.
  • Experience working in a VMware environment.
  • Strong familiarity with system and application monitoring tools such as SolarWinds Orion and AppDynamics.
  • Ability to work individually, within a team, with other groups and with customers.
  • Must have the ability to communicate complex technical problems concisely and professionally to technical and non-technical audiences.
  • Comfortable managing highly available complex infrastructure with 24/7 availability and support.
  • Knowledge or experience with PostgreSQL database servers.
  • Knowledge or experience with F5 Load Balancers.
  • Knowledge or experience with Jira.
  • Knowledge or experience with Agile.

55. BS in Computer Science with 6 years of Experience

  • Hands-on experience developing Linux systems on CC++.
  • Experience working on distributed, event-driven, multi-thread systems on Linux platforms.
  • Experience with at least two other languages, such as Python, Go, Rust, or JavaScript.
  • Familiarity with the POSIX APIs.
  • Familiarity with state-of-the-art Linux libraries and frameworks.
  • Good understanding of how Linux distributions work.
  • Advanced troubleshooting (up to application layer, including core dump analysis).
  • Experience with container technologies (Docker, Podman, Kubernetes, etc).
  • Packaging experience on at least one Linux distribution.
  • Strong familiarity with working on Open-Source projects.

56. BS in Network Engineering with 5 years of Experience

  • Experience performing Linux system administration.
  • Experience working in a virtualized (VMware) Linux server environment.
  • Must have scripting proficiency, Bash, Python, etc.
  • Strong critical thinking, decision-making, and problem-solving skills.
  • Strong desire to automate tasks.
  • Excellent written and verbal communication skills.
  • Experience administering Elastic Stack or Splunk.
  • Experience with Docker/Kubernetes.
  • Experience with SaltStack, Ansible, ArgoCD, Helm.
  • Experience with Active Directory/Centrify.

57. BA in Computer Information Systems with 6 years of Experience

  • Relevant work experience, including experience as a Linux engineer.
  • Knowledge and experience in the ISP world.
  • Excellent communication skills, by telephone and in writing.
  • Must have RHCE or LPI-2 certification.
  • Must have gedegen kennis van IP networking (TCP/IP, IPv6, load-balancing, firewall, switching).
  • Experience with scripting (Shell, Python, PHP).
  • Experience with management tooling as a Puppet.
  • Experience with Cybernetes.
  • Experience with high-availability solutions (MySQL clustering, HAProxy, etc.)

58. BS in Cloud Computing with 7 years of Experience

  • Solid experience as a Linux developer or equivalent within a high-tech, enterprise environment.
  • Scripting languages such as Python and Bash.
  • Experience in configuring, using and debugging network technologies such as DNS, DHCP, HTTP, Routing, NTP and NFS, WindRiver.
  • Experience with automated testing tools and techniques (Robot Framework).
  • Knowledge of continuous delivery process and technologies (GIT, Jenkins, Ansible, Jira).
  • Experience in working with configuration management systems (e.g., Git, Artifactory).
  • Experience in creating high-level designs and writing documentation.
  • Experience with hardware architectures like x86, PPC, and GPU.
  • Able to take initiative, continuously drive for improvements, want to learn and enjoy achieving results together with the team.

59. BS in Information Technology with 6 years of Experience

  • Knowledge of Linux virtualizations and automation techniques, Docker, VMWare, Red Hat Enterprise Virtualization, and Kubernetes.
  • Experience in installation, configuration and maintenance of Linux operating systems.
  • Must have certifications in RHCSA, Network knowledge (CCNE).
  • Must have an enthusiastic and ambitious Linux professional.
  • Good communication and stakeholder management skills.
  • Willingness to take the lead on technical decisions and have a high-quality standard for deliveries.
  • Experience working in an Agile environment (Scrum/SAFe, MVP thinking).
  • Strong business awareness (able to translate value-based discussions into technical deployments).
  • Understanding of the bigger picture and thinking in building long-term, reliable solutions.

60. BS in Cybersecurity with 5 years of Experience

  • Able to work in an autonomous and structured way.
  • Able to take initiative and collaborate well within the team and with other colleagues.
  • Able to carry projects from the start to a maintainable solution, including knowledge sharing.
  • Practical experience as a Linux admin/engineer.
  • Good communication skills in English and preferably Dutch.
  • Experience in telecoms.
  • In-depth knowledge of Linux (Debian, Red Hat, and/or derivatives).
  • Good knowledge of shell scripting (e.g., Bash, Perl, PHP, Ruby).

61. BS in Information Systems with 7 years of Experience

  • Hands-on experience with Puppet and Git for configuration management.
  • Knowledge services, Apache, Tomcat, Bind, Unbound, DHCP, MySQL, Percona XtraDB Cluster, RabbitMQ, Redis, Elastic Stack (Elasticsearch, Logstash, etc.).
  • Knowledge security, Kerberos, LDAP, Radius, Linux ACLs.
  • Good understanding of networking (firewalls, load balancers, routing).
  • Experience with Cloud products like Azure, Amazon AWS, etc.
  • Hands-on experience with SAN storage platforms/configurations (LUNs, WWNs, multipath, LVM, etc.) and storage management in general.
  • Must have developed good communication and coordination skills.
  • Able to be enthusiastic, energetic and take ownership.

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 Administrator Skills, Experience, and Job Requirements