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.