ISSO

TM3 Solutions, Inc.; Washington (District of Columbia); On-site; USD 120,000 - 150,000; Full time

Job summary

TM3 Solutions, Inc. seeks an experienced ISSO to lead security documentation and RMF activities under the DFC ISSO Support Services contract.

The role requires strong technical writing, strict version control, and deep familiarity with agency templates and authorization boundaries. The candidate will manage RMF/A&A documentation, ISCM strategies, vulnerability management, and incident response planning, ensuring compliance with federal security policies.

Qualifications

• Experience driving RMF lifecycle and A&A documentation for federal programs.
• Strong capability in writing, version control, and applying security templates.

Responsibilities

• RMF & A&A Management: Drive end-to-end RMF lifecycle for assigned systems, including SSPs and SARs.
• ISCM: Analyze logs, produce security health reports for leadership.
• Vulnerability & POA&M: Coordinate scans and plan remediation milestones.
• Security Engineering Support: Enforce secure baselines and DISA STIGs/CIS Benchmarks.
• Incident & Contingency Ops: Draft and update Incident Response and Contingency Plans.
• Compliance Enforcement: Validate access requirements and ensure security trainings are completed.
• Minimum 3–5 years of direct federal ISSO duties or information assurance support for FISMA Moderate or higher programs.

Skills

RMF & A&A Management

ISCM

Vulnerability & POA&M

Security Engineering

Incident Response & Contingency

Compliance Enforcement

Documentation Proficiency

Education

Bachelor's degree in Cybersecurity, IT, CS

Job description

Job Description

Overview of Role:

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.

Roles and Responsibilities:

• RMF & A&A Management: 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.
• Continuous Monitoring: Execute Information Security Continuous Monitoring (ISCM) strategies, analyze system audit logs, and generate operational security health reports for leadership.
• Vulnerability & POA&M Management: Coordinate vulnerability scanning and penetration testing. Actively manage the Plan of Action and Milestones lifecycle to ensure timely remediation of security weaknesses.
• Security Engineering Support: Integrate security into the System Development Life Cycle (SDLC) by evaluating control implementations and enforcing secure baselines (e.g., DISA STIGs, CIS Benchmarks).
• Incident & Contingency Operations: Support the detection and containment of security incidents. Assist in drafting, testing, and updating Incident Response Plans and Contingency Plans.
• Compliance Enforcement: Validate user access requirements, enforce agency-specific security policies, and ensure completion of role-based security training.
• Minimum 3–5 years of direct experience in federal ISSO duties, cybersecurity documentation, or information assurance support for FISMA Moderate or higher programs No problems, only solutions!

Educational and Certification Requirement:

• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field
• Security+; CAP or comparable RMF certification preferred