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Information System Security Officer

Leidos

Huntsville, AL, United States Full-time July 25, 2026
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Vacancy Description

**Description**

Leidos is seeking a talented Information System Security Officer (ISSO) to join a diverse team to create unique solutions for complex problems. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions.

The Information System Security Officer (ISSO) will be responsible for supporting our Classified Information System Cybersecurity/Information Assurance Program. The ISSO will report to the Information System Security Manager (ISSM) on all aspects of classified information system security compliance

**Primary Responsibilities**

+ Assessing and monitoring system compliance, auditing, security plan development and delivering information systems security education and awareness
+ Investigating information system security violations and help prepare reports specifying corrective and preventative actions
+ Conduc...

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