Demo

Cybersecurity Engineer Subject Matter Expert (SME)

Astrion
Huntsville, AL Full Time
POSTED ON 12/13/2025 CLOSED ON 1/10/2026

What are the responsibilities and job description for the Cybersecurity Engineer Subject Matter Expert (SME) position at Astrion?

Overview

Cybersecurity Engineer, Subject Matter Expert (SME)

Location: Huntsville Alabama

Job Status: Full time

Clearance Required: Active DoD TS/SCI

Astrion is seeking a Senior Cybersecurity Engineer SME to join our prime contract supporting STS-3 in Huntsville Alabama. 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.

Required Qualifications / Skills

  • 20 years of cybersecurity experience supporting USSF, DoD, or related federal organizations.
  • MA or MS degree
  • Active DoD TS/SCI clearance (with current investigation).
  • CompTIA Security or equivalent DoD 8570/8140 IAT/IAM certification.
  • Hands-on experience with eMASS.

Preferred Qualifications / Skills

  • Familiarity with Risk Management Framework (RMF) protocols.
  • Knowledge of USSF A&A procedures.
  • CISSP, GIAC, or equivalent advanced cybersecurity certification.
  • Strong organizational, interpersonal, and communication skills with attention to detail.
  • Advanced skills in Microsoft Word, Excel, PowerPoint, and Outlook.

Responsibilities

  • 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.

#CJ

Salary.com Estimation for Cybersecurity Engineer Subject Matter Expert (SME) in Huntsville, AL
$148,901 to $180,602
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