Information System Security Officer (Engineer Info Assurance 4)

Huntington Ingalls Industries, Inc. • Fairfax, VA

10h

About The Position

HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. This position is contingent on contract award

Requirements

• 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
• IAM I (CompTIA Security+ CE, ISC² CAP, ISC² SSCP, or GIAC GSLC) certified
• Must have an active Secret security clearance
• US Citizenship

Nice To Haves

• Familiarity with Advana architecture, Palantir Foundry, or similar data integration platforms
• Experience with data governance frameworks and metadata management
• Agile/SAFe delivery experience in secure environments

Responsibilities

• Executes day-to-day cybersecurity operations supporting mission systems across Department of Defense unclassified and classified environments.
• Implements and validates technical security controls in alignment with Risk Management Framework requirements and approved security baselines.
• Conducts vulnerability scanning, configuration validation, and compliance checks using tools such as Tenable, Splunk, SCAP scanners, Active Directory, VMware, and endpoint security platforms.
• Processes security-related change requests, validating technical impact, documenting control changes, and coordinating implementation with system administrators and DevSecOps teams.
• Maintains continuous monitoring evidence, including configuration artifacts, scan results, control test outputs, and incident documentation, within eMASS and SharePoint repositories.
• Investigates cybersecurity incidents, anomalous activity, and policy violations, supporting containment, remediation, and reporting activities in coordination with incident response teams and Senior Information Security Officers.
• Tracks vulnerability remediation actions, verifies corrective measures, and updates security documentation to reflect current system posture.
• Supports control testing activities, assessment preparation, and audit engagements by providing accurate, traceable technical evidence.
• Contributes to operational readiness, system availability, and mission assurance through disciplined execution, timely remediation, and accurate security documentation.
• Reinforces program values of accountability, operational excellence, and protection of information supporting Combatant Command, Defense Agency, and joint mission operations.

Benefits

• We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships.

What This Job Offers

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