Hiring: Information Systems Security Manager Company: ECS Location: Fairfax, VA Job Posted Time: 2026-09-13 11:29:46 Employment Type: Hybrid Target Skills & Keywords : AWS, Azure, ECS, Risk Management, Security Clearance, Zero Trust About the job Experience: •8+ years of cybersecurity experience, with 3+ years as an ISSM or senior ISSO in a DoD/Navy environment Required Skills: •Everforth ECS is seeking an Information Systems Security Manager to work in our Fairfax, VA office. •The ideal candidate will have deep experience supporting Navy Authorizing Officials (AOs), working within Navy/DoD environments such as NAVWAR, NAVAIR, NAVSEA, or Fleet Cyber Command, and maintaining system authorization packages in eMASS. •The ISSM will lead the preparations and interactions with the government for system security assessments and ensure the IS maintains its Authority to Operate (ATO). The ISSM will manage the implementation of security policies, conduct risk assessments, manage security controls, and Plan of Actions and Milestones (POAM). •Serve as the ISSM for Navy information systems in accordance with DoDI 8510.01 (RMF) and DoDI 8500.01 (Cybersecurity) •Oversee the full RMF lifecycle: categorization, control selection, implementation, assessment, authorization, and continuous monitoring •Plan of Action & Milestones (POA&Ms) •NIST SP 800-53 Rev. 5 security controls •NIST SP 800-37 Rev. 2 (RMF Guide) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!