DoD ISSM - RMF/ATO Cybersecurity Lead

Koitecc Solutions; Lorton, Northern (VA, KY); Hybrid; USD 108,000 - 195,000; Full time

Job summary

Leidos in Virginia is seeking an Information System Security Manager (ISSM) to oversee the cybersecurity posture of DoD information systems, develop and implement security policies, conduct RMF-based risk assessments, and manage ATO processes for cloud and on‑premise environments.

This on-site role requires TS/SCI or active clearance, DoD policy experience, and the ability to lead cross‑functional teams while delivering continuous monitoring, risk mitigation, and security documentation to meet

Qualifications

• US Citizen with active Top Secret clearance (SCI preferred).
• Bachelor’s or Master’s with required years of experience in DoD cybersecurity.

Responsibilities

• Act as SME on cybersecurity compliance / information assurance.
• Collaborate with ISSOs and Cyber Security Engineers for continuous monitoring.

Skills

Cybersecurity leadership

DoD compliance

RMF/DSRM

Threat monitoring

Education

Bachelor’s Degree with 8+ years

Master’s Degree with 6+ years

Tools

SIEM

Firewalls

IDS/IPS

Endpoint protection

Job description

Leidos in Virginia is seeking an Information System Security Manager (ISSM) to oversee the cybersecurity posture of DoD information systems, develop and implement security policies, conduct RMF-based risk assessments, and manage ATO processes for cloud and on‑premise environments.

This on-site role requires TS/SCI or active clearance, DoD policy experience, and the ability to lead cross‑functional teams while delivering continuous monitoring, risk mitigation, and security documentation to meet