Apex Space
Mission Security Engineer
$162K–$198K
Los Angeles · On-site · Full-time · Posted Nov 3, 2026
- Experience
- Hiring from entry level (1–3+ years) through senior level (5–10+ years).
- Education
- Entry level: Bachelor's, master's, or PhD in systems engineering, computer science, cybersecurity, aerospace, or a related field.
- Visa sponsorship
- Applicants must qualify as a U.S. Person under the stated ITAR definition or be able to obtain required U.S. export authorizations. U.S. citizenship is also listed as a required qualification.
About the job
Own and improve authorization, cybersecurity evidence, and continuous monitoring for a spacecraft and a classified cloud mission-operations environment.
What you'll do
- Build and sustain RMF authorization packages, manage the POA&M, coordinate assessments, and maintain the authorization system of record.
- Define security boundaries, controls, evidence, and continuous monitoring for the space vehicle and classified cloud mission systems.
- Automate authorization evidence and reporting, including OSCAL-based data, controls-as-code, and AI-assisted drafting with human review.
What they ask for
- U.S. citizenship and ability to access export-controlled data.
- Technical tooling experience, such as reading pipeline output, querying an API, and interpreting scanner and configuration state.
- Entry level: Bachelor's, master's, or PhD in a related field, plus hands-on building experience and/or exposure to RMF, security compliance, cloud, or software engineering.
- Senior level: experience taking multiple systems through authorization in national security or DoD environments, plus experience with an accredited cloud and a non-traditional system.
Nice to have
- Active Top Secret clearance with SCI access and SAP eligibility.
- Experience with OSCAL, eMASS APIs, Xacta, controls-as-code, Python, Go, CI/CD, infrastructure-as-code, continuous authorization, or AI-assisted development.
Pay
USD $162K – $198K base salary
Tools
RMF, eMASS, OSCAL, AWS, Azure, Python, Go, CI/CD
AI focus
Use AI-assisted drafting and crosswalk tooling for control narratives, framework mappings, and monitoring summaries, with human review and source traceability.
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