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Information System Security Officer (ISSO)

D&G Support Services, LLC

Fort Belvoir, VA, United States Full-time June 08, 2026
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Opportunity Description

Information System Security Manager (ISSM)
Onsite | Fort Belvoir, Virginia | Active Secret Clearance Required

If you are looking for meaningful work, want to operate at a senior level in a highly visible DoD research environment, and value being part of a company that supports its people as much as its mission, we would love to talk.

Why This Role Exists
This position serves as the Information System Security Manager supporting Federal and Department of Defense research and operational environments. The ISSM is responsible for overseeing security posture, managing risk, ensuring compliance, and leading vulnerability management activities that protect mission-critical systems supporting national defense initiatives.

What You Will Do
• Serve as the Information System Security Manager for assigned systems within Federal and DoD research environments.
• Oversee and manage system security posture, ensuring compliance with applicable DoD cybersecuri...
Full-time other-general

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