IA Cyber Security Engineer – Cross‑Domain & RMF (TS/SCI)

CACI International Inc.; Hampton (VA); On-site; USD 75,200 - 158,100; Full time

Job summary

CACI International Inc. in Hampton, VA, seeks an Information Assurance (IA) Cyber Security Engineer to design, implement, and sustain robust security controls for Air Force IC ECDS and external services.

You will support secure operations in multi‑level environments and assist with secure user-facing applications and critical enterprise services. Requirements include active TS/SCI eligibility, a BA/BS, 5+ years of related experience, and DoD 8140 certification (Security+ or CISSP).

Qualifications

• Active TS/SCI clearance eligibility required.
• BA/BS in a related field; AA/AS may be considered with experience.
• Minimum 5 years of relevant experience in information assurance/cyber security.
• Current DoD 8140 certification (Security+ or CISSP) required.
• Experience applying RMF, security control assessments, ATO activities, and continuous monitoring.
• Familiarity with DISA STIGs, NIST standards, and Air Force IC cybersecurity requirements.

Responsibilities

• Develop, implement, and enforce security policies and controls for enterprise and CDS environments.
• Conduct security assessments and vulnerability evaluations across cross-domain and adjacent systems.
• Apply RMF principles including security control assessments and continuous monitoring.
• Ensure compliance with DISA STIGs, NIST standards, and Air Force IC requirements.
• Monitor security events, investigate incidents, and support coordinated incident response.
• Review security configurations for user-facing applications and services; prepare security documentation (SSPs, POA&Ms).
• Collaborate with platform engineers to integrate security controls into system architecture.

Skills

RMF

Security controls

Vulnerability assessment

Incident response

DoD 8140

Education

BA/BS in related field

Tools

XACTA

ELK

Splunk

Job description

CACI International Inc. in Hampton, VA, seeks an Information Assurance (IA) Cyber Security Engineer to design, implement, and sustain robust security controls for Air Force IC ECDS and external services.

You will support secure operations in multi‑level environments and assist with secure user-facing applications and critical enterprise services. Requirements include active TS/SCI eligibility, a BA/BS, 5+ years of related experience, and DoD 8140 certification (Security+ or CISSP).