Full-time

Senior Mainframe Developer

Posted by GovCIO • Annapolis, MD, United States

📍 Annapolis, MD 🕒 February 24, 2026

About the Role

**Overview**
GovCIO is currently hiring for Senior Mainframe Developer to perform maintenance, remediation's, and updates to mission critical applications used to support the DCSA background investigation processes. Provide architecture, development and cyber security support for the High Value Assets (HVAs) that make up the background investigation system.This position will be located in the Washington DC Metro area (DC / MD / VA) and will be a hybrid position, primarily remote with a periodic need for customer site visits.
**Responsibilities**
In this role you will support the Defense Counterintelligence Security Agency (DCSA), Background Information Systems (BIS), Case Processing and other background investigation systems. The successful candidate will support requirements elicitation, analysis, development, testing, and application level operational support for mission critical applications providing background investigation processing. The position serves as a member o...

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