Systems Administrator

Applied Research Solutions is seeking a full-time detail-oriented System Administrator to join a fast-paced, cutting-edge technology program driving innovation in cyber security and autonomy. The ideal candidate thrives in dynamic environments, adapts quickly to evolving priorities, and is passionate about optimizing system performance and security. This role requires hands-on technical expertise, proactive problem-solving, and the ability to manage and secure complex computing environments acro

Leidos Corporate Information Security Office (CISO), reporting through the Digital sector, is seeking a Linux and Windows System Administrator to support and maintain complex classified environments. The selected candidate will be responsible for administering, securing, troubleshooting, and maintaining Windows and Linux systems across physical and virtual infrastructures. This role supports mission-critical operations by ensuring system availability, compliance with security requirements, and r

The Junior System Administrator supports the daily operation and maintenance of enterprise IT systems to ensure availability, performance, and security in a mission-critical environment. The role focuses on hands-on administration of operating systems, user accounts, configurations, and core infrastructure services across remote federal client environments. This junior position builds foundational expertise in system administration, monitoring, patching, backup and recovery, and automation using

GovCIO is currently hiring for M365 Global Administrator to support our customers contract. This position will be fully remote within the United States . Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting network/system operations and implement cha