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Information Systems Security Officer (ISSO)

GCyber

Arlington, VA, United States Full-time June 05, 2026
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Opportunity Description

GCyber is seeking an Information Systems Security Officer, to support a high profile DISA customer. You will be responsible to ensure cyber security controls are created, implemented, followed, and successfully assessed within the RMF to include successful completion and management of the Authority to Operate (ATO).

This position is located in the NCR, but there is a travel requirement to Naval Station Guantanamo Bay, Cuba, (NSGB) occasionally.

As the Information Systems Security Officer, you will:

+ Ensure Cybersecurity Compliance & Authorization – Ensure all OMC information systems comply with DoD Instruction 8500.01 cybersecurity requirements, facilitate ATO compliance and re-accreditations (IAW DoD 8510.01 and ICD503), and manage system registration in eMASS, including RMF activities.

+ Security Operations & Maintenance – Implement and maintain security measures, antivirus/malware protection, security patch distribution, vulnerability...
Full-time other-general

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