Senior Cybersecurity Analyst & ISSM - DoD RMF Lead

Serco; Altus (OK); On-site; USD 130,000 - 170,000; Full time

Job summary

Serco Inc. is seeking a Cybersecurity Analyst / ISSM to support the 76th Software Maintenance Group at Tinker AFB, OK. The role ensures compliance with DoD cybersecurity requirements, manages ATO packages, and guides teams protecting classified environments.

You will lead policy implementation, RMF lifecycle activities, and documentation across hybrid Windows/Linux environments, with travel up to 10% and top‑secret eligibility.

Qualifications

• Active DoD Top Secret clearance with SCI eligibility is required.
• DoD 8570 IAM Level III certification or DoD 8140 ISSM intermediate qualifications.
• RMF ATO Process experience and familiarity with RMF bundle management.
• Experience with mixed Windows/Linux environments and ATO documentation.

Responsibilities

• Lead DoD/AF/NIST policy implementation and enforcement.
• Oversee RMF lifecycle activities: categorization, control selection, validation, continuous monitoring, ATO submission.
• Maintain SSPs, POA&M, Incident Response and Contingency Plans in eMASS.
• Conduct cybersecurity inspections, audits, and compliance reviews.
• Provide guidance to system owners, admins, and engineers.

Skills

DoD 8570 IAM Level III

RMF ATO

eMASS

ACAS/Tenable

Kubernetes

Terraform

CISSP/CISM/GSLC

Cloud security (Azure)

Education

Bachelor's degree, Cybersecurity or related field

Associate's degree, Cybersecurity

Tools

eMASS

STIG Viewer

Jira/Confluence

Job description

Serco Inc. is seeking a Cybersecurity Analyst / ISSM to support the 76th Software Maintenance Group at Tinker AFB, OK. The role ensures compliance with DoD cybersecurity requirements, manages ATO packages, and guides teams protecting classified environments.

You will lead policy implementation, RMF lifecycle activities, and documentation across hybrid Windows/Linux environments, with travel up to 10% and top‑secret eligibility.