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.
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 - McLean, VA - TS/SCI PGTEKWindows Systems Administrator - McLean, VA - TS/SCIMcLean, Virginia$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%.
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.
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.
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.
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).
NewJunior System Administrator (MUST have DoD TS/SCI) Sandoval Technology Solutions LLCJunior System Administrator (MUST have DoD TS/SCI)Washington, DCJob Summary: The Junior System Administrator with a DoD TS/SCI clearance will be responsible for assisting with the maintenance, configuration, and reliable operation of computer systems, network servers, and virtualization. Preferred Skills: - Industry certifications such as CompTIA Security+, Network+, or Microsoft Certified Systems Administrator (MCSA).
Senior Systems Administrator / Help Desk Engineer Ennoble FirstSenior Systems Administrator / Help Desk EngineerGaithersburg, MDAs a trusted technical expert, you will support both cloud and on-premises environments, provide advanced systems administration and end-user support, and collaborate with software engineers, DevSecOps specialists, cybersecurity professionals, and customer stakeholders to maintain reliable operations and continuously improve the user experience. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Lead Systems Administrator Dunhill Professional Search of Wilmington, Inc.Lead Systems AdministratorArlington, VA$110,000–$160,000 / yearFull timeCandidates must have experience with Sun Solaris administration• Excellent knowledge of relevant operating systems (e.g., Windows Server, Red Hat, CentOS) and virtualization technologies (e.g., VMware vSphere, ESXi) in enterprise environments. The Systems Administrator Lead provides technical and leadership oversight for the administration of servers, operating systems, and core infrastructure services that support missioncritical operations in a federal IT environment.
NewWindows / Linux System Administrator Marathon TSWindows / Linux System AdministratorAnnapolis Junction, MDInstall, configure, operate, monitor, and maintain enterprise infrastructure, including web servers (e.g., IIS), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Anaya J Series phones). - Install, configure, troubleshoot, and resolve issues related to telephony systems, Windows / Linux servers, network connectivity, and system integrations with Active Directory, DNS, DHCP, and LDAP.
Systems Administrator II PEAK Technical StaffingSystems Administrator IIWashington, DC$28.88–$56.35 / hourDesirable Skills: Certifications: Red Hat Certified System Administrator (RHCSA), Red Hat Certified Engineer (RHCE), or other advanced Red Hat Specialist certifications. This role includes managing the full lifecycle of RHEL servers, deploying and configuring them, patching, and maintaining them on virtual platforms like VMware.
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 System Administrator SITEC ConsultingSenior System AdministratorAnnapolis Junction, MDFull timeThe ideal candidate is a self-motivated Systems Administrator with strong Windows and Linux experience, hands-on patching and vulnerability remediation knowledge, and the ability to support mission-critical systems in a fast-paced DoD environment. About SITECSITEC is an employee- and customer-focused Information Technology and Professional Services firm specializing in cybersecurity, software and systems engineering, systems administration, and lifecycle support services.
Systems Administrator Open Systems Technologies CorporationSystems AdministratorAnnapolis Junction, MDOpen Systems Technologies Corporation is looking for a Systems Administrator to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a highly complex and fast-paced program. Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations.
Cloud and Infrastructure Systems Administrator Ampcus IncorporatedCloud and Infrastructure Systems AdministratorWashington, DC$60–$70 / hourAI for Operations (AIOps): Utilize AI-powered monitoring and log analysis platforms such as Splunk and Azure Monitor to proactively detect system anomalies, predict potential failures, and automate incident response. System Intelligence and Machine Learning: Collaborate with data science teams to integrate intelligent agents and machine learning models for infrastructure optimization, capacity planning, and automated resource allocation.
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.
Deskside Support Specialist | Secret Clearance IBSS CorporationDeskside Support Specialist | Secret ClearanceWashington, DC$70,000–$90,000 / yearIf you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to the Talent Acquisition department at Recruiting@ibsscorp.com. The Deskside Support Specialist will troubleshoot escalated incidents, manage endpoint systems, assist with user account administration, and help maintain infrastructure supporting NTIA's secure network environment.
NewSystems Administrator SMS DATA PRODUCTS GROUP, INCSystems AdministratorWashington, DCWith the goal of building long-term partnerships with our customers, we invest in our employees by providing the training, tools, and support they need to keep critical missions operational, improve performance, and reduce risk. Infrastructure Management: Install, configure, and maintain Linux (RHEL, Ubuntu) and Windows servers within multi-domain environments.