> Markdown version of [/jobs/ext/3735412-cyber-systems-security-engineering-senior-level](https://www.wearedevelopers.com/jobs/ext/3735412-cyber-systems-security-engineering-senior-level). 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 Senior Level

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $110,300.0 - $204,900.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Software System Penetration Testing, Bash Shell, C++ (Programming Language), DevOps, Python (Programming Language), Networking Basics, Object-Oriented Software Development, Open Source Intelligence, Windows PowerShell, Programming Environments, Red Team (Cyber Security), Software Engineering, Software Factory, Scripting, Delivery Pipeline, Git, SC Clearance, Software Version Control, Devsecops, Vulnerability Analysis
- **Published:** October 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9238273/cyber-systems-security-engineering-senior-level

## About the Role

* Significant experience with C++ in multi-team programming environment

 * Experience with Git or similar version control system

 * Scripting experience with PowerShell, Bash, Python or similar

 * Secret Clearance

 * Possess or earn DoD 8570 IAT Level II, or higher, certification (e.g., Security+, GSEC, etc.) within 90 days of hire (training provided)

Desired Skills

 * Strong cross-team, cross-discipline, collaborative approach, focusing on win-win solutions

 * Strong internal and external customer focus where "d customer success"

 * Experience with DevOps/DevSecOps, software factory / automated build pipelines, and Agile

 * Software development experience with DoD embedded systems

 * Possesses Software Engineering Knowledge to include Object Oriented Design and Development and C++

 * Desire to mentor and be mentored

 * Vulnerability Analysis

 * Knowledge of Open Source Intelligence and similar methodologies

 * Technical writing and presentation skills

 * Networking fundamentals

 * Familiar with Risk Management Framework (RMF)

 * Penetration Testing / Red Team experience