Senior ISSM RMF & ATO Lead for Classified Systems

Summary

Amentum is seeking an Information Systems Security Manager (ISSM) to oversee system-level cybersecurity governance, RMF compliance, and continuous monitoring for designated contractor-managed enclaves. The role reports to government AOs and ensures timely ATO actions across multiple systems.Qualified candidates hold TS/SCI eligibility, DoD 8140 IAM II/III, and 3–5 years of RMF experience. You will coordinate SSPs, risk assessments, and POA&Ms while guiding ISSOs and maintaining security posture.#J-18808-Ljbffr

Job Description

Amentum is seeking an Information Systems Security Manager (ISSM) to oversee system-level cybersecurity governance, RMF compliance, and continuous monitoring for designated contractor-managed enclaves. The role reports to government AOs and ensures timely ATO actions across multiple systems.Qualified candidates hold TS/SCI eligibility, DoD 8140 IAM II/III, and 3–5 years of RMF experience. You will coordinate SSPs, risk assessments, and POA&Ms while guiding ISSOs and maintaining security posture.#J-18808-Ljbffr