Cybersecurity Engineer SME

Astrion is seeking aSeniorCybersecurity Analyst/Engineerto join our prime contract supporting Golden Dome Space Based Intercept in Huntsville, AL. This role will provide direct Assessment & Authorization (A&A) support to the Information Systems Security Manager (ISSM), ensuring the secure operations of enterprise networks, mission-critical systems, and sensitive data across the directorate.

You will play a hands-on role in Cybersecurity Analysis, Engineering, and Risk Management Framework (RMF) compliance, driving mission assurance for some of the nation’s most important space systems., * Support A&A activities and provide cybersecurity engineering expertise for enterprise mission systems.

• Develop, update, and manage Enterprise Mission Assurance Support Service (eMASS) entries and coordinate A&A packages in accordance with DoDI 8510.01 (RMF).
• Maintain and report on C&A schedules, package status, and system registrations in ITIPS (formerly EITDR) in compliance with FISMA.
• Review and refine certification policies, procedures, and reports for new and evolving cyber system requirements.
• Conduct research and analysis to assess the impact of new DoD, USSF, DIA, and DISA cybersecurity directives.
• Support Vulnerability Management System (VMS) processes by documenting, tracking, and closing compliance findings.
• Contribute to Security Test & Evaluation (ST&E) efforts, penetration testing, and validation of cybersecurity controls.
• Revalidate cyber and IA controls for accredited systems and recommend improvements to strengthen mission assurance.
• Assess policy changes from higher headquarters and determine impact on current mission system security posture.

• 15+ years of cybersecurity experience supporting USSF, DoD, or related federal organizations.
• BA or BS degree
• Active DoD TS/SCI clearance (with current investigation).
• CompTIA Security+ or equivalent DoD 8570/8140 IAT/IAM certification.
• Hands-on experience with eMASS.
• Familiarity with Risk Management Framework (RMF) protocols.
• Knowledge of USSF A&A procedures., * CISSP, GIAC, or equivalent advanced cybersecurity certification.
• New start experience with RMF.
• Background in cATO certification.
• Experience in bringing networks and systems from Unclassified to TS to ATO.
• Work on national priority systems.
• Strong organizational, interpersonal, and communication skills with attention to detail.
• Advanced skills in Microsoft Word, Excel, PowerPoint, and Outlook.