Job Description Position Summary ECS is seeking an Enterprise Information System Security Manager (ISSM) - SME to support the Army National Guard (ARNG) Enterprise Network Operations and Cybersecurity Support (ENOCS) program. Supporting Task 3 - Cybersecurity Operations Support, this role leads implementation and validation of technical security controls that harden systems in accordance with STIGs, IAVMs, RMF requirements, and DoD and ARNG cybersecurity policy. The Enterprise Information Syste