Isso

TM3 Solutions • Washington, DC

6d

About The Position

The ISSO will serve as the Security Documentation and Security Impact Analysis Specialist on the DFC ISSO Support Services contract. This role demands strong technical writing capability, meticulous version control discipline, deep familiarity with DFC OIT document templates, and a thorough understanding of how system changes affect security posture and authorization boundary integrity.

Requirements

• Minimum 3–5 years of direct experience in federal ISSO duties, cybersecurity documentation, or information assurance support for FISMA Moderate or higher programs
• Strong technical writing capability
• Meticulous version control discipline
• Deep familiarity with DFC OIT document templates
• Thorough understanding of how system changes affect security posture and authorization boundary integrity
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field
• Security+

Nice To Haves

• CAP or comparable RMF certification

Responsibilities

• Drive the end-to-end NIST RMF lifecycle for assigned systems.
• Develop, review, and maintain critical Assessment and Authorization documentation, including System Security Plans and Security Assessment Reports.
• Execute Information Security Continuous Monitoring (ISCM) strategies, analyze system audit logs, and generate operational security health reports for leadership.
• Coordinate vulnerability scanning and penetration testing.
• Actively manage the Plan of Action and Milestones lifecycle to ensure timely remediation of security weaknesses.
• Integrate security into the System Development Life Cycle (SDLC) by evaluating control implementations and enforcing secure baselines (e.g., DISA STIGs, CIS Benchmarks).
• Support the detection and containment of security incidents.
• Assist in drafting, testing, and updating Incident Response Plans and Contingency Plans.
• Validate user access requirements, enforce agency-specific security policies, and ensure completion of role-based security training.

What This Job Offers

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