Defensive Cyber Engineer (STIGs, POA&M, IAVMs) - Senior

Job description

Position Summary ECS is seeking a Defensive Cyber Engineer (STIGs, POA&M, IAVMs) - Senior to support the Army National Guard (ARNG) Enterprise Network Operations and Cybersecurity Support (ENOCS) program. This role supports Task 3 — Cybersecurity Operations Support — by implementing and maintaining technical security controls that harden ARNG systems in accordance with STIGs, IAVMs, and DoD and ARNG cybersecurity policy. The engineer applies secure configuration baselines, validates remediation actions, tracks POA&M items to closure, and works closely with system owners, SOC personnel, and broader cybersecurity operations teams to strengthen continuous monitoring and risk mitigation across the DoDIN-A(NG) area of responsibility. In this position, the candidate contributes directly to ENOCS’ mission to defend classified and unclassified ARNG network environments that support more than 120,000 users and approximately 141,000 endpoints across roughly 2,800 sites in 54 states and territories. The role operates within a cybersecurity environment that includes 24x7x365 SOC operations, USIEM analytics, EDR, ACAS, eMASS, and coordination with the NETCOM Global Cyber Center and DISA DCDC. T...