Cybersecurity Engineer - ISSO

Location: Vienna, VA. Travel: Yes - 10% of the time. On-site; no remote work. Must hold or be able to obtain a TS/SCI with polygraph clearance.

About the role

SAIC is seeking a Cyber Security Engineer to support critical DoD and Intelligence Community missions. You will lead assessment, authorization, vulnerability management, and secure operations for classified systems.

Responsibilities

• Execute RMF processes for Assessment & Authorization (A&A).
• Develop and maintain System Security Plans (SSPs), Plans of Action & Milestones (POA&Ms), Security Assessment Reports (SARs), and ATO artifacts in XACTA/eMASS.
• Conduct vulnerability scanning and track remediation using ACAS/IAVM.
• Implement and validate NIST SP 800-53 and CNSSI 1253 controls.
• Support hardening, patching, and STIG compliance for Windows, Linux, and network systems.
• Monitor systems and assist with incident response.
• Evaluate security impacts of system changes.
• Collaborate with engineering, administration, and DevSecOps teams.

Qualifications

Required Qualifications

• Bachelor’s degree plus 5 years of relevant experience (or equivalent).
• Active or current TS/SCI clearance.
• DoD 8570 IAT II+ certification (e.g., Security+, CySA+, CISSP).
• Hands-on experience with RMF, POA&M, and ATO documentation.
• Experience with ACAS and IAVM tracking.
• Knowledge of STIGs, patching, and system hardening.
• Familiarity with NIST publications and incident-response processes.
• Strong analytical and communication skills.

Desired Qualifications

• Scripting experience (Python, Java, React).
• DevSecOps pipeline experience.
• Linux/Windows, databases, or web application experience.
• Familiarity with Agile tools (Jira, Confluence).
• Experience with NIST SP 800-171.

Pay

Target salary range: $160,001 – $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.