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# Cyber Systems Security Engineering Sr Stf - E5

- **Company:** Lockheed Martin
- **Location:** King of Prussia, PA, United States
- **Experience:** Expert
- **Salary:** $166,900 - $309,900
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Computer Networks, Network Topologies, Red Hat Enterprise Linux, Shell Script, Information Security Management System
- **Published:** November 11, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9305233/cyber-systems-security-engineering-sr-stf-e5

## About the Role

Active Top-Secret Clearance (with investigation within 5 years)

 * Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.).

 * Understanding of System Security Engineering (SSE) principals and process.

 * Understanding of Risk Management Framework (RMF) NIST SP 800-53

 * Knowledge of Windows Server Operating Systems (i.e., 2019/2022)

 * Knowledge of Linux Administration RedHat 9.X, 10X)

 * Bash and Shell scripting

 * Assessment experience

Desired Skills

 * Network traffic investigation
 * Vulnerability and Compliance management experience
 * Development of network topologies and authorization boundaries
 * System Security Plan and Body of Evidence development
 * Strong cross-team, cross-discipline, collaborative approach, focusing on win-win solutions
 * Technical writing and presentation skills
 * Strong internal and external customer focus