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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Systems Security Engineering Sr - E3 - **Company:** Lockheed Martin - **Location:** Colorado Springs, CO, United States - **Experience:** Expert - **Salary:** $98,100.0 - $182,100.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Systems Engineering, C Sharp (Programming Language), Cyber Security, DevOps, Intrusion Detection Systems, Network Security, Windows PowerShell, Security Information and Event Management, Systems Integration, Firewalls (Computer Science), DO-178B, Vulnerability Analysis - **Published:** August 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9108855/cyber-systems-security-engineering-sr-e3 ## About the Role This position requires the ability to travel up to 10%., Current CompTIA Security+ certification - Bachelor's degree in Engineering, Computer Science, Information Assurance, or another STEM related field with 5+years related experience or related Master's degree with 3 years relevant experience. - Strong background in cyber security principles, including network security, and threat analysis - Strong understanding of STIGs and other security controls, including DISA STIGs and NIST guidelines - Experience with security tools and technologies, including vulnerability scanners, intrusion detection systems, and firewalls - Understanding of system integration and systems engineering principles. - This position requires the ability to travel up to 20% including internationally. Must hold a valid U.S. Passport. Desired Skills - Current CISSP Certification - Experience with agile development methodologies and DevOps practices - Experience with security information and event management (SIEM) systems and incident response tools - Strong programming and scripting skills, including languages such as C# and PowerShell - Knowledge of DO-178C - Software Considerations in Airborne Systems and Equipment Certification - Familiarity with industry standards and regulations, including NIST, ISO 27001, and DoD 8570 - Strong communication and collaboration skills, with ability to work with cross-functional teams and customers ## Description As a Cyber Systems Security Engineer (CSSE) supporting the Peace Krypton program, you will: Perform periodic manual and automated STIG evaluations, tracking deltas across versions and platforms. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security AI design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure robust, secure system solutions. Conduct cybersecurity test and evaluation of hardware and software to verify compliance with requirements. Apply and ensure consistent use of cybersecurity processes, methods, techniques, and tools. Prototype and implement software solutions supporting assessment and authorization activities required by customers. Please note: This position requires the ability to obtain and maintain a DoD government clearance at the Secret level., You are a mission-driven engineer with a strong background in cybersecurity and systems engineering. You thrive in collaborative environments and are passionate about applying your skills to safeguard systems against evolving threats. Your ability to assess risks, develop secure designs, and validate solutions makes you a trusted partner in ensuring mission success. ## Related Videos - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Events like RSAC Get You CISOs. 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