Enterprise Information System Security Officer (ISSO) - Senior

Job description

Position Summary ECS is seeking an Enterprise Information System Security Officer (ISSO) - Senior to support the Army National Guard (ARNG) Enterprise Network Operations and Cybersecurity Support (ENOCS) program. This position supports Task 3, Cybersecurity Operations Support, and leads system-level Risk Management Framework (RMF) execution for assigned ARNG systems and enclaves across the DoDIN-Army-NG area of responsibility. The ISSO will develop and maintain authorization artifacts, validate security control implementation, coordinate remediation with engineering and operations teams, support assessment and authorization activities, and provide compliance and risk visibility to the ISSM. In this role, the candidate works closely with cybersecurity operations, enterprise operations, and system owners to help sustain authorization status and strengthen ARNG’s Defensive Cyberspace Operations – Internal Defensive Measures (DCO-IDM) mission. The role directly supports ARNG’s mission to deliver secure DoDIN services to more than 120,000 users and approximately 141,000 endpoints across about 2,800 sites in 54 states and territories, including support for Title 10 and Title 32 missions,...