> Markdown version of [/jobs/ext/3079296-cyber-systems-security-engineering-sr-e3](https://www.wearedevelopers.com/jobs/ext/3079296-cyber-systems-security-engineering-sr-e3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Systems Security Engineering Sr - E3 - **Company:** Lockheed Martin - **Location:** Fort Worth, TX, United States - **Experience:** Expert - **Salary:** $98,100.0 - $182,100.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Microsoft Windows, Bash Shell, Cyber Security, Computer Engineering, System Configuration, Linux, Systems Analysis, Python (Programming Language), Windows PowerShell, Software Engineering, Scripting, Containerization, Information Technology, SolarWinds (Software), Tenable Nessus, Splunk, Devsecops, Vulnerability Analysis - **Published:** September 25, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9192030/cyber-systems-security-engineering-sr-e3 ## About the Role * DoD 8140 IAT Level Il or higher certificate such as CompTIA Security+ CE, CySA+, CASP+, GSEC, CISSP. * Implementing and validating compliance with IA/Cybersecurity policies. * Implementing and validating security controls at the system/subsystem and component level. * Experience with both internal and customer witnessed cyber security assessments on complex information systems. * B.S. degree in a technical discipline such as Cyber Security, Computer Science, Computer Engineering, Computer Security, or Information Technology - or equivalent applied experienc * Ability to travel as required Desired Skills * Experience with operating systems for embedded real-time environments typically used in avionics and aircraft systems (not Mobile or IoT) * Experience with securely configuring and hardening Linux and Windows based operating systems. * Highly skilled at creating and updating JSIG based Body of Evidence (BoE) packages including SSPs, SCTMs, POA&Ms, etc to achieve and maintain system authorizations (ATOs, IATTs, etc.). * Experience conducting JSIG/RMF based continuous monitoring (CONMON), system analysis and auditing, and vulnerability assessments using cyber security tools such as Splunk, Solarwinds, Tenable Nessus/ACAS, Trellix ePO, etc. * Highly skilled at verifying and validating patches and Security Technical Implementation Guides (STIGs) to address cyber vulnerabilities, feature changes, or obsolescence. * Experience with implementation and deployment of DoD requirements, policies and processes as part of the Risk Management Framework (RMF) Assessment and Authorization (A&A) process. * Demonstrated experience with one or more of the following standards/guides: RMF, JSIG, CNSSI-1253, Common Criteria, NSTISSIP 11, DoD8500.1, DoD8500.2, JAFAN 6/3, DITSCAP, DIACAP. * Familiarity with secure software design, analysis, architecture and containerization including the application of Development, Security, and Operations (DevSecOps) principles to software development pipelines. * Experience creating, updating and implementing cyber security scripts with Python, JavaScript, Bash/Shell, Powershell or similar scripting language. * Strong analytical and organizational skills with excellent communication skills (written and verbal communications) and the ability to work in a dynamic work environment. * Familiarity with supporting and mitigating cyber based Supply Chain Risk Management (SCRM) concerns. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [DevSecOps: Injecting Security into Mobile CI/CD Pipelines](https://www.wearedevelopers.com/videos/273-devsecops-injecting-security-into-mobile-ci-cd-pipelines) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) - [DevSecOps: Security in DevOps](https://www.wearedevelopers.com/videos/36-devsecops-security-in-devops) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks) - [Events like RSAC Get You CISOs. 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