Enterprise Support ISSE (Senior)

Job description

Everforth ECS is seeking an Enterprise Support ISSE (Senior) to work in Fairfax, Virginia. Please Note: This position is contingent upon contract award. Responsibilities: - Engineer and validate implementation of security controls across enterprise infrastructure, hosting platforms, identity services, and network environments supporting Task 4operations - Integrate technical safeguards including configuration baselines, encryption mechanisms, logging and monitoring configurations, vulnerability mitigation measures, and access control enforcement in accordance with DoD/ARNG cybersecurity policy and RMF requirements - Conduct control validation activities and security assessments to verify proper implementation and continued effectiveness of required security controls across enterprise systems - Support Authority to Operate (ATO) sustainment activities, including continuous monitoring, security documentation maintenance, and Plan of Action and Milestones (POA&M) management - Coordinate remediation of identified security findings, vulnerabilities, STIG deficiencies, and IAVM compliance gaps across operations and engineering teams - Advise operations and engineering teams on secure imp...