Systems Administrator Senior

Washington, District Of Columbia, United States Job Description Everforth ECS Federal is seeking a Senior Systems Administrator to support a mission‑focused federal IT program in Washington DC. This position is contingent upon contract award. Join Everforth ECS Federal to keep secure mission systems running reliably for national security and law enforcement users. You will work with a collaborative infrastructure team supporting an expanding federal environment focused on reliability, security, service continuity, and operational excellence. The Systems Administrator will administer, patch, configure, monitor, and troubleshoot enterprise applications and systems in secure federal environments. This role supports reliable system operations, vulnerability remediation, access management, incident response, change management, and service continuity for mission‑critical federal IT systems. The Systems Administrator will maintain systems, apply patches, manage user and system access, troubleshoot incidents, support backups, document standard operating procedures, remediate vulnerabilities, support change management activities, and contribute to operational reporting. This position will work closely with systems engineers, network engineers, cybersecurity teams, service desk personnel, application teams, and program leadership to ensure secure and reliable day‑to‑day operations. This role requires a hands‑on technical professional with experience administering enterprise systems, supporting secure configurations, resolving operational issues, maintaining documentation, and working in structured IT environments. The ideal candidate will bring strong troubleshooting skills, attention to detail, customer awareness, and the ability to support mission operations in a classified or sensitive federal IT environment. Required Skills Minimum 7 years system administration experience Enterprise application or infrastructure support experience Understanding of patching, monitoring, troubleshooting, and secure operations. Desired Skills Security+, Microsoft, Linux, VMware, ServiceNow, cloud, endpoint management, classified environment, or vulnerability management experience. ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis of any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law. #J-18808-Ljbffr RadNet, Inc.