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Information Systems Security Officer- ISSO
Job in
Arnold, Jefferson County, Missouri, 63010, USA
Listed on 2026-05-18
Listing for:
CACI International Inc
Full Time
position Listed on 2026-05-18
Job specializations:
-
IT/Tech
Cybersecurity, Information Security
Job Description & How to Apply Below
Job Title: Information Systems Security Officer – ISSO
Job Category: Security
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of
Travel Required:
None
- Conduct in-depth security reviews of program systems, applications, and services.
- Participate in security assessments and develop a transition plan to address areas for remediation to align the application with baseline standards.
- Ensure that appropriate operational security posture is maintained for an information system and work in close collaboration with the Information System Owner (ISO).
- Research, develop, implement, test, and review applications’ information security in accordance with DoD/NIST RMF requirements to protect information and prevent unauthorized access.
- Direct the contracting team on security measures, explain potential threats, implement security measures, and monitor applications to meet or exceed DoD/NIST RMF requirements.
- Support maintenance of active security authorizations for all projects/security plans (SPIDs) and required security body of evidence (BoE) artifacts such as POAMs, control implementations, and test plans to meet all Assessment and Authorization (A&A) milestone requirements.
- Oversee continuous integration of newly developed or modernized applications and services with all enterprise security services (ESS).
- Implement applicable manual Security Technical Implementation Guides (STIGs), vendor hardening guides, and ensure timely installation of all available patches.
- Use security relevant databases such as XACTA 360, Service+, Continuity Planning Tool (CPT), and Software Approval Process (SWAP).
- Minimum of a Bachelor’s Degree in Computer Science, Information Systems, Engineering, or another related technical or scientific discipline.
- Minimum of five (5) years of ISSO experience in the IC and preferably NGA, for multiple SPIDs.
- Experience conducting security scans.
- Experience applying security patches and fixes.
- CISSP certification or Security+ certificate.
- Must be able to obtain a polygraph within 30 days.
Pay Range: $75,200–$158,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.
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