Senior Cybersecurity Lead — RMF/A&A, TS Clearance

Ares Enterprise; El Segundo (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Ares Enterprise, LLC is seeking a Cybersecurity Lead to oversee RMF, A&A, and vulnerability management for DoD networks. You will work with government personnel to ensure secure, compliant IT systems across NIPRNet/SIPRNet and classified enclaves.

The ideal candidate has TS clearance, 10+ years of cybersecurity experience, and hands-on RMF/eMASS/ACAS with NIST 800-37/800-53 and DISA STIGs. You will coordinate training, prepare for inspections, and maintain SSPs/POA&Ms/ATOs.

Qualifications

• Minimum of 10 years of relevant cybersecurity experience.
• Active Top Secret clearance required at start.
• Aligned to DoD Cyber Workforce Framework (DCWF) Role: Information Systems Security Manager (722) – Advanced.
• Compliant with DoD 8140 / 8570 qualification standards.
• Technical proficiency with RMF, eMASS, ACAS, NIST SP 800-37/800-53, and DISA STIGs.

Responsibilities

• Risk Management Framework (RMF) & A&A: Maintain SSPs, POA&Ms, and RMF artifacts to sustain ATOS for NIPRNet/SIPRNet enclaves per DoD, DAF, and NIST guidelines.
• Network & Boundary Control: Manage PPSM registrations and SIAs; review boundary modifications and change requests.
• Vulnerability & Incident Management: Conduct weekly ACAS scans, manage mitigation, and coordinate incidents.
• Program Oversight & Compliance: Support COMPUSEC, TEMPEST, IAP; register systems in eMASS and ITIPS; prepare for Cyber Readiness Inspections.
• Liaison & Training: Provide initial and refresher training to Cybersecurity Liaisons and advise teams on security compliance for new tech implementations.
• Clearance: Must possess an active Top Secret (TS) clearance at start.
• Experience: Minimum of 10 years of relevant cybersecurity experience.
• Cyber Workforce Compliance: DCWF Role: Information Systems Security Manager (722) – Advanced.
• Technical Proficiency: RMF, eMASS, ACAS, NIST SP 800-37/800-53, DISA STIGs.

Skills

RMF & A&A

Threat & risk assessment

Information Assurance Programs

Training & liaison

Security Compliance

DCWF & DoD 8570

Active TS clearance

Tools

eMASS

ACAS

Job description

Ares Enterprise, LLC is seeking a Cybersecurity Lead to oversee RMF, A&A, and vulnerability management for DoD networks. You will work with government personnel to ensure secure, compliant IT systems across NIPRNet/SIPRNet and classified enclaves.

The ideal candidate has TS clearance, 10+ years of cybersecurity experience, and hands-on RMF/eMASS/ACAS with NIST 800-37/800-53 and DISA STIGs. You will coordinate training, prepare for inspections, and maintain SSPs/POA&Ms/ATOs.