Senior Cybersecurity Engineer (SCAR) – Space Systems A&A

Astrion; El Segundo (CA); On-site; USD 144,000 - 176,000; Full time

Job summary

Astrion seeks a Senior Cybersecurity Engineer (SCAR) in El Segundo, CA to provide hands-on A&A support for Space Systems Command and drive RMF compliance across critical networks and data.

The role requires active TS/SCI clearance, 15+ years of federal cybersecurity experience, RMF and eMASS expertise, and strong communication to coordinate with DoD stakeholders while traveling for onsite assessments.

Qualifications

• 15+ years of cybersecurity experience with DoD or federal agencies.
• Familiarity with RMF protocols and eMASS.
• Knowledge of USSF A&A procedures with hands-on eMASS experience.
• Active DoD TS/SCI clearance.
• DoD 8570/8140 IAT/IAM certification (e.g., Security+ or equivalent).

Responsibilities

• Support the Authorizing Official and Security Control Assessor under RMF.
• Provide cybersecurity engineering expertise for enterprise mission systems.
• Develop and manage eMASS entries and coordinate A&A packages per DoDI 8510.01.
• Maintain CA schedules and ITIPS registrations in compliance with FISMA.
• Refine certification policies and reports for evolving cyber requirements.
• Research DoD/USSF directives and assess impact on security posture.
• Support Vulnerability Management System processes and document findings.
• Contribute to ST&E, penetration testing, and control validation.
• Revalidate cyber and IA controls and recommend improvements.
• Assess policy changes and travel for onsite assessments.

Skills

15+ years cybersecurity experience

RMF familiarity

USSF A&A procedures with eMASS

Active DoD TS/SCI clearance

DoD 8570/8140 IAT/IAM certification

CISSP / GIAC

Strong organizational communication

Travel onsite

Education

Technical MA or MS degree

Job description

Astrion seeks a Senior Cybersecurity Engineer (SCAR) in El Segundo, CA to provide hands-on A&A support for Space Systems Command and drive RMF compliance across critical networks and data.

The role requires active TS/SCI clearance, 15+ years of federal cybersecurity experience, RMF and eMASS expertise, and strong communication to coordinate with DoD stakeholders while traveling for onsite assessments.