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🥝 Information System Security Officer (ISSO) / Security Engineer (ISSE)

CACI International | Aberdeen Proving Ground, United States | Posted June 24, 2026

Job Description

Job Title: Information System Security Officer (ISSO) / Security Engineer (ISSE)

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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**The Opportunity:**

Join a mission‑driven team securing the technologies that protect our nation. As an ISSO/ISSE supporting the Capability Program Executive for Chemical, Biological, Radiological and Nuclear Defense (CPE‑CBRND), you will play a critical role in safeguarding systems that enable warfighters to operate safely in contested CBRN environments.

You will influence next‑generation capabilities—from tactical sensor networks to cloud‑enabled analytic systems—by embedding cybersecurity into every stage of the acquisition lifecycle. This role is ideal for a forward‑leaning cybersecurity professional who wants to shape sec...

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