Information System Security Manager

General Dynamics Information Technology • Falls Church, VA

23h • Onsite

About The Position

Help safeguard critical government systems by applying your hands-on ISSM/ISSO experience to security governance, risk evaluation, and compliance oversight. As an IT and Cyber Risk Auditor at GDIT, you will leverage your background managing RMF controls, system documentation, and continuous monitoring activities to deliver thorough, accurate, and mission‑focused security assessments. This role is ideal for cybersecurity professionals who have previously served as an ISSM or ISSO and are seeking to transition into a dedicated risk, audit, and compliance position where they can influence security posture across multiple systems and programs. MEANINGFUL WORK AND PERSONAL IMPACT As an IT and Cyber Risk Auditor, the work you do at GDIT will have a direct and measurable impact on our customer’s mission. You’ll help ensure the integrity, security, and compliance of their IT systems by identifying potential risks, validating critical controls, and supporting continuous improvement efforts. Your work will enhance operational resilience and enable the customer to execute their mission with confidence.

Requirements

• Bachelors degree or 4+ years of additional work experience/training/education in lieu of a degree
• 3+ years of related experience as a prior ISSO/ISSM
• IAT II (Security +, SSCP, CCNA Security)
• Strong understanding of NIST SP 800-53, DoD cybersecurity requirements, and control implementation/assessment practices.
• Familiarity with Windows/Linux environments, vulnerability tools, and security baselines.
• Must have an active Secret clearance in order to be considered
• US citizenship required

Nice To Haves

• DISA STIG
• NIST Risk Management Framework
• Operations Security

Responsibilities

• Conduct security audits and RMF control assessments by applying your deep understanding gained through previous ISSO/ISSM responsibilities.
• Review, validate, and enhance security artifacts such as SSPs, POA&Ms, and continuous monitoring deliverables.
• Evaluate system security controls fore effectiveness, sufficiency, and alignment with NIST 800-53, DoD requirements, and organizational policies.
• Work with ISSOs/ISSMs and technical teams to interpret findings, recommend remediation actions, and ensure timely closure of vulnerabilities.
• Analyze system changes, configuration updates, and vulnerability outputs to determine authorization impacts and risk-level adjustments.
• Support ATO maintenance by tracking assessments, evidence, and documentation needed for successful RMF lifecycle execution.
• Ability to prepare and deliver clear, risk focused briefings to system owners and stakeholders regarding audit findings and compliance status.

Benefits

• Comprehensive benefits and wellness packages
• 401K with company match
• Competitive pay
• Paid time off
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level