Mission Security Engineer
$115,000–$190,000 year
On-site · Denver, Colorado, United States or Long Beach, California, United States
Job Summary
Mission Security Engineer to secure national security space systems, including ground-based C2 infrastructure and spacecraft hardware/software. Role combines hands-on IT and cybersecurity with compliance, delivering end-to-end security controls, zero-trust architectures, and RMF/DoD frameworks across development and operations. Must implement STIGs, support ATOs, and coordinate with government ISSOs/ISSEs; requires TS/SCI eligibility, DoD 8140 IAT Level II, NSA Type 1 crypto experience, and a Bachelor's degree. Onsite in Denver, CO or Long Beach, CA with competitive salary and security-clearance-driven responsibilities.
Required Qualifications
- 3–5 years of combined experience in a technical IT field, security engineering, DevSecOps, and/or software development
- Active Top Secret clearance with SCI eligibility required
- DoD 8140 IAT Level II certification (Security+, CySA+, or equivalent) required
- Experience implementing or utilizing NSA Type 1 cryptographic solutions in operational systems
- Experience with RMF processes and achieving ATOs for complex systems
- Working knowledge of NIST SP 800-53 security controls and how they map to technical implementation
- Hands-on experience implementing STIGs at the OS, container, platform, and application level
- Familiarity with space system architectures including satellite operations, ground segments, and TT&C systems
- Bachelor's degree in Computer Science, Cybersecurity, Engineering, or related field (or equivalent experience)
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