ISSO - DoD RMF/A&A Security Lead

CACI International Inc; Maryland; On-site; USD 87,000 - 182,000; Full time

Job summary

CACI International Inc. is seeking an Information System Security Officer (ISSO) to support DoD cybersecurity operations, RMF processes, and A&A activities. The role collaborates with ISSM and technical teams to maintain security posture across mission-critical systems.

You will develop SSPs, review authorization packages, and conduct vulnerability assessments using ACAS/Nessus, STIGs, and POA&Ms. Strong communication and documentation skills are essential.

Qualifications

• Active TS/SCI w/Poly clearance is required.
• RMF processes, A&A requirements familiarity.
• Experience with vulnerability management and risk mitigation.
• Strong written and verbal communication skills for diverse audiences.

Responsibilities

• Support the ISSM to maintain operational cybersecurity posture.
• Provide oversight for A&A activities per RMF and DoD requirements.
• Develop and maintain SSPs, ATO documentation, and related artifacts.

Skills

RMF knowledge

Vulnerability management

Technical writing

Stakeholder communication

Education

Bachelor's degree or higher

Active TS/SCI w/ Poly

IAT Level II certification (Security+)

CompTIA A+ CE

CompTIA Network+ CE

Tools

ACAS

Nessus

STIG assessments

Job description

CACI International Inc. is seeking an Information System Security Officer (ISSO) to support DoD cybersecurity operations, RMF processes, and A&A activities. The role collaborates with ISSM and technical teams to maintain security posture across mission-critical systems.

You will develop SSPs, review authorization packages, and conduct vulnerability assessments using ACAS/Nessus, STIGs, and POA&Ms. Strong communication and documentation skills are essential.