Lead Systems Engineer LeidosLead Systems EngineerWashington, DC$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Systems Administrator AmentumSystems AdministratorHanover, MarylandThe Windows Systems Administrator will be involved in the testing, preparation and deployment of Active Directory GPO’s and RBAC as well as automated server and workstation imaging and patching utilizing Windows MCM. responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
Sr. Windows Systems Administrator AstrionSr. Windows Systems AdministratorColumbia, Maryland$145,000–$165,000 / yearAstrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF) , DoD STIG , and Comply-to-Connect (C2C) requirements.
Sr. Window Systems Administrator Amyx, Inc.Sr. Window Systems AdministratorFt. Meade, MarylandFull timeTechnology used: Windows Server (2019 and newer), Active Directory, Citrix, Forefront Identity Manager, MS Identity Manager, Microsoft IIS, HyperVisor, VMWare, NetScaler, ACAS, Splunk, HBSS, Trellix, MS Defender, ESPS, Veritas Clustering, MS Cluster Server, Ansible, PowerShell, Javascript, backup software, Network Attached Storage (NAS), Storage Area Networks (SANs), ticketing system, Qualifications: Required: Must have a minimum of five (5) years of relevant Windows Server System Administration experience. Overview: Amyx is seeking to hire a Senior Windows Systems Administrator to support DISA's Hybrid Cloud computing environment on-site at one of their six (6) locations in the U.S. (Fort Meade, MD; Crystal City, VA; Mechanicsburg, PA; Montgomery, AL; Oklahoma City, OK; Ogden, UT).
Windows Systems Administrator The Josef GroupWindows Systems AdministratorColumbia, MarylandRequired: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
Windows Systems Administrator Tetrad Digital Integrity LLCWindows Systems AdministratorArlington, VAFull timeThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.
Windows Systems Administrator LeidosWindows Systems AdministratorArlington, VirginiaThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. July 17, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior Windows Systems Administrator NIH-NCBISenior Windows Systems AdministratorBethesda, MDThe ideal candidate will possess deep technical proficiency across the Microsoft server ecosystem, including Active Directory, Entra ID, ADFS, IIS, SQL Server, Hyper-V, and MECM, while bringing strong hands-on administration experience in multi-cloud environments spanning Amazon Web Services (AWS) and Google Cloud Platform (GCP). In this role, you will maintain our primary Microsoft environment, plan unified infrastructure deployment strategies via Microsoft Configuration Manager (MECM/SCCM), and serve as an expert-level technical resource providing backup and primary support for complex Active Directory (AD DS) duties.
Systems Administrator Dynamic Solutions Technology LLCSystems AdministratorWashington, DCFull timeResponsibie for account management, troubleshooting workstations and servers in both virtual and physical environments, installing hardware and software, configuring operating systems, performing patch and vulnerability management, and configuring or troubleshooting workstation peripherals. Dynamic Solutions Technology, LLC (DST), a premier strategic services firm that meets IT and Service needs for commercial and government clients, is seeking a full-time Systems Administrator to provide support to a Federal Government customer in the Washington DC location.
Systems Administrator 2 - Windows & UNIX Mission Operations Navius TechnologiesSystems Administrator 2 - Windows & UNIX Mission OperationsAnnapolis Junction, MarylandThe ideal candidate will bring strong technical troubleshooting skills, deep experience with UNIX and Windows operating systems, and a proactive approach to optimizing system performance and reliability. About the Role Navius Technologies is seeking an experienced Systems Administrator 2 to provide Tier I and Tier II IT support in a fast-paced, mission-focused environment.
Senior Systems Administrator (Lead) Empower AI Inc.Senior Systems Administrator (Lead)Arlington, VirginiaFull timeThe primary duty of this position is management of the OMC MCDO IT Support Team: customarily and regularly leading and directing IT Support Technicians and systems administrators; independently exercising authority on performance management, ATO compliance, STIG implementation, Active Directory administration, and all O&M activities. Independently leads ISSO ATO tasks including DISA STIG implementation, RMF security scan responses, and ATO remediation with DISA and DIA; conducts planning, implementation, validation, and verification of all server system upgrades, patches, and STIGs to meet ATO requirements.
SME Systems Administrator Revolutional, LLCSME Systems AdministratorWashington, DC$125,000–$145,000 / yearThe Systems Administrator will manage and troubleshoot enterprise networks, servers, virtual environments, and security configurations while collaborating on the design and maintenance of the Continuity of Operations (COOP) site in Scottsdale, AZ. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Systems Administrator, Desktop Application Packaging-TS/SCI w/Poly General Dynamics Information TechnologySystems Administrator, Desktop Application Packaging-TS/SCI w/PolyAnnapolis Junction, MarylandMaintain proficiency with required toolsets, including Windows Desktop OS, Microsoft Deployment Toolkit (MDT), Active Directory and Group Policy, PowerShell and Batch scripting, AppV, and Microsoft Endpoint Configuration Manager to support enterprise application packaging and deployment. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Systems Administrator Galapagos Federal Systems LLC.Systems AdministratorWashington, Washington, DC$125,000–$135,000 / yearFull timeThe Systems Administrator provides Tier 1 and Tier 2 support, participates in RMF lifecycle activities, implements STIGs and security controls, and works closely with cybersecurity teams to maintain system authorization and operational readiness. We deliver professional services in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services.
Linux / UNIX Systems Administrator (PeopleSoft / Oracle) CymertekLinux / UNIX Systems Administrator (PeopleSoft / Oracle)Annapolis Junction, MarylandLinux Systems Administrator, UNIX Systems Administrator, PeopleSoft Administrator, Oracle Database Administrator, Enterprise Systems Administrator, Middleware Administrator, Application Systems Administrator, Database Systems Engineer, IT Infrastructure Engineer, Cloud Systems Administrator, etc. Computer Science, Information Technology, Systems Engineering, Computer Engineering, Information Systems, Database Administration, Network Engineering, Cybersecurity, Data Science, Applied Mathematics, etc.
Network Engineer / Systems Administrator (SA) CymertekNetwork Engineer / Systems Administrator (SA)Annapolis Junction, MarylandNetwork Engineer, Systems Administrator, IT Infrastructure Engineer, Network Systems Administrator, Network Administrator, Systems Engineer, Cloud Systems Administrator, Network Operations Engineer, IT Support Engineer, Network Security Engineer, etc. Computer Science, Information Technology, Network Engineering, Systems Engineering, Computer Engineering, Information Systems, Cybersecurity, Electrical Engineering, Data Science, Applied Mathematics, etc.
PKI Systems Administrator - active Top Secret required General Dynamics Information TechnologyPKI Systems Administrator - active Top Secret requiredWashingtonTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
9123 - Senior Systems Administrator Indrasoft9123 - Senior Systems AdministratorColumbia, MarylandFor more than 16 years, we provide cutting-edge solutions in areas of DevSecOps, Cybersecurity, Advanced Data Analytics, emerging Cloud technologies and Enterprise IT to our Defense and Civilian customers. At IndraSoft, you will be joining a team of highly qualified individuals who solve today’s challenges, transform to future state, and execute innovate technology solutions for our federal customers.
Enterprise Monitoring Systems Administrator - TS/SCI w/Poly General Dynamics Information TechnologyEnterprise Monitoring Systems Administrator - TS/SCI w/PolyAnnapolis Junction, MarylandCollaborate with engineering, cybersecurity, networking, and operations teams to onboard new data sources, validate secure monitoring configurations, and support accreditation activities. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Linux / Unix Systems Administrator CymertekLinux / Unix Systems AdministratorAnnapolis Junction, MarylandComputer Science, Information Technology, Systems Engineering, Network Engineering, Computer Engineering, Information Systems, Cybersecurity, Data Science, Electrical Engineering, Applied Mathematics, etc. Linux Systems Administrator, Unix Systems Administrator, Systems Engineer, IT Systems Administrator, Network Administrator, Infrastructure Administrator, DevOps Engineer, Cloud Systems Administrator, Server Administrator, System Support Specialist, etc.