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.
NewWindows / Linux System Administrator Above and Beyond Talent AcquisitionWindows / Linux System AdministratorAnnapolis Junction, MD$90,000–$100,000 / yearFull timeInstall, 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.
NewSr. Telecomm Systems Administrator TEKsystemsSr. Telecomm Systems AdministratorAnnapolis, MD$60–$75 / hourYou will design (More optimization as the design is already completed), implement, and maintain network operations across the company's global offices and cloud deployments, with a strong DevOps mindset — automating workflows, managing infrastructure as code, and building repeatable, resilient processes. The North American group has consistently grown through various large carrier contracts (Example: AT&T FirstNet) and they are quickly approaching the deployment of new hardware/software and applications which is driving the need to add to the team.
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.
NewNetwork Administrator Above and Beyond Talent AcquisitionNetwork AdministratorAnnapolis Junction, MD$90,000–$100,000 / yearFull timeTroubleshoot and resolve network issues using firewall logs, switch packet capture tools; engaging with cross-functional teams to leverage support and collaboration when necessary. Managing, monitoring, maintaining, and securing networks and tenant network segments that integrate the transport of networks and data.
NewPayroll Administrator Sparks GroupPayroll AdministratorRockville, MD$28–$29 / hourAs the Payroll Administrator you will be solely responsible for biweekly payroll for a staff of 500 to include full-cycle payroll execution, managing system updates for employees, payroll reconciliation and reporting. Manage day-to-day employee data updates—including benefits, pay rates, and retirement contributions—and occasionally interface with Accounts Payable to support 1099 contractor processing via Bill.com.
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.
NewHRIS Administrator (Oracle/SAP SuccessFactors) CFSHRIS Administrator (Oracle/SAP SuccessFactors)McLean, VA$65,000–$70,000 / yearKey Responsibilities for the HRIS Administrator: • Process employee data updates and HR transactions in HR systems. • Excellent opportunity to grow your HRIS expertise and expand your technical skillset.
NewRHEL Administrator Above and Beyond Talent AcquisitionRHEL AdministratorAnnapolis Junction, MD$80,000–$120,000 / yearFull timePerformance Objectives / What you'll be doing: Administer, support, and optimize RHEL-based server infrastructure (RHEL 7.x/8.x/9.x), including installation, configuration, upgrades, and patch management. Automate routine tasks and system management using Ansible Automation Platform (AAP), scripting languages (Bash, Python, etc.), and other tools to improve operational efficiency.
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.
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.
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 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.
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.
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.