Data Security Analyst - Senior

Job description

Position Summary ECS is seeking a Data Security Analyst - 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 managing enterprise data protection controls across ARNG classified and unclassified environments, conducting data discovery and classification activities, monitoring data flows and user activity for indicators of misuse or exfiltration, and supporting audit, remediation, and compliance actions. The Data Security Analyst works closely with SOC personnel, cybersecurity engineering teams, and system owners to strengthen Defensive Cyberspace Operations – Internal Defensive Measures (DCO-IDM) deliverables across the DoDIN-Army-NG area of responsibility. This position contributes to a mission that delivers DoDIN services and cyber defense to approximately 120,000 users and 141,000 endpoints across about 2,800 sites in 54 states and territories, supporting Title 10 and Title 32 missions, mobilization readiness, domestic emergency response, and classified SIPRNet operations. In this environment, the analyst helps protect sensitive...