Mission-Focused ISSO: Secure Info Systems Leader

maxar; Herndon (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Vantor is seeking an Information Systems Security Officer (ISSO) to support secure, compliant, mission-focused systems serving OBI requirements and knowledge graphs. You will collaborate with government stakeholders, ISSM, engineers, and DevSecOps teams to implement controls and manage risk across the system lifecycle.

The ideal candidate has RMF experience, strong security documentation skills, and the ability to work in Agile environments while ensuring compliance with applicable requirements.

Qualifications

• Must be a U.S. citizen and possess an active TS/SCI clearance with CI polygraph.
• Experience working as an ISSO/ISSM/security analyst or similar information assurance role.
• Experience supporting RMF activities.

Responsibilities

• Support security programs for classified information systems throughout the system lifecycle.
• Assist RMF activities including system categorization, control implementation, and authorization support.
• Develop and maintain security documentation (SSPs, POA&Ms, BIA, contingency plans).
• Coordinate with ISSM, ISSE, system owners and Government security personnel on requirements and risks.
• Monitor security posture and ensure controls are implemented, tested, and maintained.
• Track vulnerabilities, POA&Ms, findings, and remediation actions through closure.
• Support security testing, vulnerability scanning, and remediation efforts.

Skills

RMF process

Security documentation

Vulnerability management

Agile/DevSecOps

Security incident response

Job description

Vantor is seeking an Information Systems Security Officer (ISSO) to support secure, compliant, mission-focused systems serving OBI requirements and knowledge graphs. You will collaborate with government stakeholders, ISSM, engineers, and DevSecOps teams to implement controls and manage risk across the system lifecycle.

The ideal candidate has RMF experience, strong security documentation skills, and the ability to work in Agile environments while ensuring compliance with applicable requirements.