Senior ISSO – RMF & DoD Cybersecurity Leader

CACI International Inc; Florham Park (NJ); On-site; USD 87,000 - 182,000; Full time

Job summary

CACI International Inc seeks an experienced Information Systems Security Officer (ISSO) to support the Facility ISSM and oversee RMF lifecycle activities for a portfolio of classified DoD systems supporting SAP, SCI, and NSA missions.

You will manage system authorizations, develop and maintain SSPs, POA&Ms, risk assessments and artifacts, coordinate with AOs, SCAs and program staff, and ensure continuous monitoring and inspection readiness across multi-system environments.

Qualifications

• Active TS clearance with willingness to sit for polygraph.
• 5+ years of cybersecurity experience 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.
• DoD 8140 IAM Level II/III or IAT III certification; CISSP preferred.
• Experience with RMF tools (eMASS, XACTA) and SIEM platforms.
• Experience with vulnerability management tools (Nessus/ACAS).

Responsibilities

• Support RMF lifecycle activities from categorization to ATO/IATT/continuous authorization.
• Develop and manage SSPs, POA&Ms, Risk Assessments, and RMF artifacts.
• Coordinate with SCAs, AOs, and program stakeholders to resolve findings and adjudicate risk.
• Prepare systems for ATO, IATT, reauthorization, and continuous monitoring.
• Provide cybersecurity guidance and oversight to ISSOs, admins, engineers, and staff.
• Maintain inspection-ready documentation and support inspections.

Skills

Cybersecurity

RMF lifecycle

Risk assessment

Communication

Independent work

Education

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

Tools

eMASS

XACTA

SIEM

Nessus/ACAS

STIG tooling

Job description

CACI International Inc seeks an experienced Information Systems Security Officer (ISSO) to support the Facility ISSM and oversee RMF lifecycle activities for a portfolio of classified DoD systems supporting SAP, SCI, and NSA missions.

You will manage system authorizations, develop and maintain SSPs, POA&Ms, risk assessments and artifacts, coordinate with AOs, SCAs and program staff, and ensure continuous monitoring and inspection readiness across multi-system environments.