Security Control Assessor Representative (SCAR)

Job Description

Job Description

Overview

Senior Cybersecurity Engineer (SCAR)

Location: El Segundo, CA

Job Status: Full time

SALARY RANGE: Estimated $160,000 + annually*

*depending on experience, certifications, and qualifications

Clearance Required: Active DoD TS/SCI

Astrion is seeking a Senior Cybersecurity Engineer SME to join our prime contract supporting STS-3 in El Segundo, CA. This role will provide direct Assessment & Authorization (A&A) support to the Space Systems Command Authorizing Officia and Security Conrol Assessor (SCA), ensuring the secure operations of enterprise networks, mission-critical systems, and sensitive data across Space Systems Command (RDT&E) Authorizing Official (AO) subordinate enclave.

You will play a hands-on role in Cybersecurity Analysis, Engineering, and Risk Management Framework (RMF) compliance, and Enterprise policy driving mission assurance for some of the nation’s most important space systems.

REQUIRED QUALIFICATIONS / SKILLS

· 15+ years of cybersecurity experience supporting USSF, DoD, or related federal organizations.

· Familiarity with Risk Management Framework (RMF) protocols.

· Knowledge of USSF A&A procedures with hands-on experience with eMASS

· Active DoD TS/SCI clearance (with current investigation).

· CompTIA Security+ or equivalent DoD 8570/8140 IAT/IAM certification.

PREFERRED QUALIFICATIONS / SKILLS

· Prior SCA / SCAR / ASCA experience within DoW and USSF.

· CISSP, GIAC, or equivalent advanced cybersecurity certification.

· Strong organizational, interpersonal, and communication skills with attention to detail.

· Technical MA or MS degree

· Advanced skills in Microsoft Word, Excel, PowerPoint, and Outlook.

RESPONSIBILITIES

· Support the Authorizing Official and Security Control Assessor by ensuring adherence to the DoD RMF process, driving cyber‑hardening efforts, and tracking progress along the Road to ATO.

· 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.

· Travel is required during onsite assessments.

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