Systems Engineer LeidosSystems EngineerTemple Hills, MD$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. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Lead Systems Engineer LeidosLead Systems EngineerBurke, VA$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.
Systems Administrator Amentum Services IncSystems AdministratorHanover, MD$165,000–$175,000 / yearThe 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.
Windows Systems Administrator - McLean, VA - TS/SCI PGTEKWindows Systems Administrator - McLean, VA - TS/SCIMcLean, VirginiaWe are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships.
Windows Systems Administrator - Mclean, VA - Ts/Sci PGTEKWindows Systems Administrator - Mclean, VA - Ts/SciMcLean, VA$185,000–$265,000 / yearWe are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. Location: McLean, VA (transitioning to Chantilly, VA) Clearance Required: Active TS/SCI with CI Polygraph Salary Range: $185,000 – $265,000 Travel: Up to 20%.
NewWindows Systems Administrator Leidos Holdings IncWindows Systems AdministratorSuitland, MD$92,300–$166,850 / yearExtensive experience administering enterprise Windows environments, including Active Directory (AD), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Microsoft Exchange email services, Microsoft Azure Cloud, Remote Desktop Services, VMware, Omnissa, desktop management, and Windows Server services. 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.
Windows Systems Administrator Bart & AssociatesWindows Systems AdministratorAlexandria, VA$140,000–$200,000 / yearIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.
NewTS/SCI Windows Systems Administrator TEKsystemsTS/SCI Windows Systems AdministratorArlington, VA$50–$65 / hourApply 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. This 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.
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.
NewWindows Systems Administrator Sienna Systems CorporationWindows Systems AdministratorAlexandria, VA$112,500–$117,500 / yearProvide Tier II and Tier III support for complex issues; troubleshoot, repair, and recover from hardware and software failures, keeping affected users and management informed. Run daily backup operations and manage the backup solution, verifying restores, managing media rotation and off-site handling, and performing file archival and purges.
Windows Systems Administrator Tetrad Digital Integrity LLCWindows Systems AdministratorArlington, VAThis 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.
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.
Windows Systems Administrator TechDigitalWindows Systems AdministratorWashington, DCGood understanding of Host-based firewall, Intrusion protection, Data Integrity, and Vulnerability Scanners Good knowledge of TCP/IP and network protocols Experience in Intimacy with UNIX, Windows, and Linux hardware and software configurations Knowledge of AWS and Azure security Knowledge of Chef Inspec / Automate, TrendMicro Deep Security, CyberArk and Tripwire Knowledge of Containers (Kubernetes, AWS Fargate, Docker) Knowledge of Splunk and ability to create searches, reports and Dashboards. Windows Systems Administrator IIIJob Description Thorough understanding of electrical power and multiple power phases as it relates to data center deployments and systems Advanced knowledge of the Microsoft Office Suite to include Excel and Access.
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.
SYSTEMS ADMINISTRATOR -Washington, DC Georgia Tek SystemsSYSTEMS ADMINISTRATOR -Washington, DCWashington, DCPerform System Administration to included AD, GPO policies, Microsoft Exchange, Patching, application support, and activities to include account management, monitoring and management of system resources (CPU, memory, disk, etc), monitoring and auditing system logs. Perform Systems Lifecycle management including planning, implementation, maintenance, upgrades, consolidation, and decommissioning of enterprise hardware, and software.
SME Systems Administrator Revolutional, LLCSME Systems AdministratorLorton, VA$100,000–$135,000 / 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 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.