Information Systems Security Officer, ISSO

CACI International Inc

full-time

Posted on: 9/24/2025

Origin: • 🇺🇸 United States • Massachusetts, Virginia

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💰 $90,300 - $189,600 per year

SeniorLead

Cyber SecurityTypeScript

About the role

Support the cyber security mission of Distributed Ground System-Experimental (DGS-X) information systems and networks, including Air Force DCGS legacy and Open Architecture enterprise
Develop and maintain System Security Plans (SSPs)
Work with ISSM and DAOs to ensure systems obtain and maintain accreditation
Apply continuous monitoring techniques to evaluate system security posture
Ensure security policies, practices, and procedures are implemented
Utilize NIST Security Controls and Control Implementation methodologies in the A&A process
Complete security controls implementation, self-compliance tests, and security test plans
Create and update the Plan of Actions and Milestones (POA&M)
Review audit logs and perform data transfers
Host and support Security Controls Assessors (SCA) in performing remote A&A events of worldwide operational DCGS sites
Provide final approval of account creation requests and perform annual verification
Support the EPS program at Langley AFB, VA

TS/SCI Clearance
7+ years of experience plus Bachelor’s Degree or higher in computer engineering or related field
3+ years of experience as an ISSO on programs and contracts of similar scope, type, and complexity
DoD Directive 8570 IAT II certification (Security+ CE or equivalent)
CASP or GSLC preferred
Experience including at least two of the following areas: Knowledge of Xacta 360 and Xacta.io Governance, Risk and Compliance (GRC) automation software; Hardware/software security implementation including STIGs, SCAP, Evaluate-STIG; ACAS/Nessus Vulnerability and Compliance Scanning tools
Knowledge of Air Force Intelligence Community (AF IC) Policies, Plans, and Procedures
Encryption techniques/tools
Experience with RMF Policy (NIST SP 800-37) and NIST SP 800-53 Rev 5 (desired)
Experience performing assessment and compliance activities using Xacta 360 (desired)
Experience identifying and solving technical issues related to system hardening (desired)
Experience developing and maintaining a System Security Plan (SSP) (desired)
Public Key Infrastructure-based authentication (desired)
Familiarity with a variety of security policies within the Intelligence Community (desired)