ISSO & RMF Lead (TS/SCI) - DoD Cybersecurity

Ares Enterprise; Fairfax (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Ares Enterprise, LLC is seeking a dedicated ISSO/RMF Specialist to support defense intelligence communication systems. You will manage RMF lifecycle, maintain ATO status, and coordinate with AOs and P-ISSMs to ensure robust security governance and compliance.

Responsibilities include developing RMF documentation, administering eMASS, and overseeing continuous monitoring and STIG remediation to safeguard critical intelligence data for senior leaders worldwide.

Qualifications

• 5+ years of hands-on RMF experience on DoD IT systems.
• Must possess DoD 8570/8140 IAT II certifications (e.g., Security+, CCNA, RHCSA).
• Top Secret/SCI clearance and US citizenship are required.

Responsibilities

• Lead RMF lifecycle activities from system categorization to authorization with continuous ATO.
• Develop and maintain RMF artifacts (SSP, SAR, POA&M).
• Administer security posture in eMASS and ensure data integrity and timely approvals.
• Implement continuous monitoring and track vulnerabilities.
• Coordinate with AO/AODR and P-ISSMs to support A&A and remediate STIG findings.
• Assist in ensuring DoD, Army, and NIST compliance.

Skills

RMF implementation

eMASS administration

Security documentation

Vulnerability scans

DoD/NIST compliance

Stakeholder coordination

ATO maintenance

Education

DoD 8570/8140 IAT II certifications

Tools

ACAS/Nessus

SCAP tooling

Job description

Ares Enterprise, LLC is seeking a dedicated ISSO/RMF Specialist to support defense intelligence communication systems. You will manage RMF lifecycle, maintain ATO status, and coordinate with AOs and P-ISSMs to ensure robust security governance and compliance.

Responsibilities include developing RMF documentation, administering eMASS, and overseeing continuous monitoring and STIG remediation to safeguard critical intelligence data for senior leaders worldwide.