Senior ISSO - DoD RMF & ATO Lead (TS/SCI with Poly)

Emploive; Northern (KY); Hybrid; USD 87,000 - 182,000; Full time

Job summary

CACI is seeking an experienced Information Systems Security Officer (ISSO) to support RMF lifecycle activities for a portfolio of DoD classified systems, ensuring Authorizations to Operate (ATO) and continuous monitoring across SAP, SCI, and NSA missions.

You will develop SSPs, POA&Ms, risk assessments, and coordinate with AOs, SCAs, and program stakeholders to maintain compliance and readiness for inspections.

Qualifications

• Bachelor's degree in Cybersecurity, IT, CS, Engineering or related field.
• Active TS/SCI clearance with ability to obtain POLY.
• 3–5 years supporting DoD classified systems (SCI, SAP).
• Knowledge of JSIG, RMF, DoDI 8510.01, NIST SP 800-53, ICD 503.
• Experience coordinating with AOs, AO reps, SCAs, and government cyber stakeholders.

Responsibilities

• Support RMF lifecycle activities from categorization to ATO/IATT/continuous authorization.
• Develop and manage SSPs, POA&Ms, Risk Assessments, and POA&M tracking.
• Coordinate with program stakeholders to resolve findings and adjudicate risk.
• Prepare systems for ATO, IATT, reauthorization and continuous monitoring.
• Provide cybersecurity guidance to ISSOs, admins, and engineers.

Skills

Active TS/SCI

RMF

JSIG

NIST SP 800-53

DoD 8140 IAM

CISSP

Coordination with AOs/SCAs

Independent in high security env

Education

Bachelor's degree in Cybersecurity/IT/CS/Engineering

Tools

eMASS

Xacta

SIEM

Nessus/ACAS

STIG tooling

Job description

CACI is seeking an experienced Information Systems Security Officer (ISSO) to support RMF lifecycle activities for a portfolio of DoD classified systems, ensuring Authorizations to Operate (ATO) and continuous monitoring across SAP, SCI, and NSA missions.

You will develop SSPs, POA&Ms, risk assessments, and coordinate with AOs, SCAs, and program stakeholders to maintain compliance and readiness for inspections.