INFRASTRUCTURE SECURITY ENGINEER SKILLS, EXPERIENCE, AND JOB REQUIREMENTS
Published: Sep 10, 2025 - The Infrastructure Security Engineer has experience building tools and automation to reduce operational toil and improve system defenses. This role requires familiarity with modern security threats, top infrastructure security risks and mitigations, cloud service APIs (such as AWS, Google, and Duo), and proficiency in programming and IaC languages like Python, Go, and Terraform. The engineer also brings a strong security mindset, prior experience in software and security engineering, and excels in ownership, collaboration, and communication across teams.
Essential Hard and Soft Skills for a Standout Infrastructure Security Engineer Resume
- Threat Modeling
- Penetration Testing
- Incident Response
- Vulnerability Assessment
- Infrastructure Hardening
- Patch Management
- Cloud Security
- Network Monitoring
- Access Control
- Security Automation
- Team Collaboration
- Risk Prioritization
- Problem Solving
- Cross-Team Communication
- Project Coordination
- Security Mentorship
- Engineering Leadership
- Security Training
- Vendor Collaboration
- Documentation Management
Summary of Infrastructure Security Engineer Knowledge and Qualifications on Resume
1. BS in Electrical Engineering with 7 years of Experience
- Knowledge of Cloud computing environments such as GCP, AWS, and Azure.
- Knowledge for architectural reviews and experience with micro-services technologies such as Containers, Kubernetes, Docker.
- Experience in automation using Bash, Python.
- Knowledge of security features and controls, AuthN, AuthZ, PKI, Session Management, Logging.
- Deep Understanding of network security fundamentals, the TCP/IP stack, Linux/Mac/Windows operating systems, DNS, Firewall, VPN, Email.
- Knowledge of NIST 800-53, NIST 800-171 controls, and PCI-DSS.
- Ability to work with ambiguity and bring clarity to situations.
- Strong critical thinking and interpersonal skills with the ability to communicate technical issues to a non-technical audience.
- Passion for expanding knowledge and a desire to grow beyond current skills.
2. BS in Network Engineering with 8 years of Experience
- Experience in system and/or network security engineering.
- Experience in Splunk, ELK, or similar data analytics platforms.
- Experience writing in Python as a core or ancillary duty.
- Proven ability in designing and delivering enterprise-level security solutions, both commercial and internally developed.
- Knowledge of network and web-related protocols (e.g., TCP/IP, UDP, IPSEC, HTTP/S).
- Ability to identify security risks and issues to the architecture and develop effective mitigation plans for the infrastructure.
- Knowledge of authentication protocols (TACACS, RADIUS, 802.1x, etc.).
- Experience managing GNU/Linux-based systems.
- Experience designing solutions in AWS or other cloud solutions.
3. BS in Software Engineering with 10 years of Experience
- Experience with Industrial Controls Systems/SCADA/MES/DCS security and Industrial Protocols (Profinet, EtherNet/IP, Modbus TCP, etc.).
- Scripting and or coding skills in multiple common languages (e.g., Perl, Python, Ruby, shell scripting, PowerShell).
- Proven history of mentoring team members.
- Experience and detailed technical knowledge of security engineering, system and network security, authentication and security protocols, cryptography, and application security.
- Excellent written and verbal communication skills.
- Excellent leadership, teamwork, and collaboration skills.
- Able to work in a results-oriented, high-energy, self-motivated manner.
- DevOps or other pipeline-driven cloud deployment experience.
4. BA in Security Studies with 7 years of Experience
- Experience building tools or automation to reduce toil.
- Familiarity with security threats facing companies today and ideas about how to address them.
- Outstanding listening, collaboration and communication skills.
- Familiarity with cloud service APIs such as AWS, Google, and Duo.
- Able to maintain a security mindset that can analyze situations, technology, and human systems both as an attacker and defender.
- Knowledge of programming and IaC languages, preferably Python, Go, Terraform.
- Ability to take ownership of project tasks, collaborate on work, and deliver on schedule.
- Experience as a software engineer and as a security engineer.
- Experience working on a security or security-aligned team.
- Familiar with top infrastructure security risks and mitigations.
5. BS in Cybersecurity with 8 years of Experience
- Direct information security experience with deep exposure in protecting one or more operating system platforms (Windows, macOS, or Linux).
- Comprehensive knowledge of modern adversary tactics, techniques, and procedures.
- Ability to independently own projects and balance competing priorities, whilst still effectively collaborating with colleagues.
- Experience with public cloud service providers (e.g., Amazon AWS, Google GCP, Microsoft Azure).
- Experience with infrastructure automation platforms (e.g., State Configuration, Packer, Terraform, etc.).
- Proficiency with at least one scripting language (e.g., PowerShell, Bash, Python, or similar).
- Willingness and eligibility to obtain a U.S. security clearance, or active TS/SCI.
- Experience with prioritizing risks based on probability and balancing business velocity.
- Must have solid programming skills.