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.
Sccm/Windows Systems Administrator Leidos Holdings Inc.Sccm/Windows Systems AdministratorBethesda, MD$73,450–$132,775 / yearLeidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. Manage and support Public Key Infrastructure (PKI) services, including certificate issuance, renewal, revocation, and troubleshooting for Windows servers, applications, and user authentication mechanisms.
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.
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.
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.
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.
Classified Systems Administrator MetreaClassified Systems AdministratorAnnapolis, MD$110,000–$130,000 / yearThis is just one component of Metrea's overall approach to total rewards and final compensation decisions, including the ultimate salary or hourly rate agreed upon, may vary depending on factors such as job location, job-specific knowledge, skills, experience, and the overall negotiated compensation package. Electromagnetic and Cyber Group (EM&C) is responsible for developing flexible and survivable advanced electronic warfare and secure communications equipment while providing the industry's leading signals intelligence, electronic warfare, and cyber experts.
DevOps Systems Administrator CymertekDevOps Systems AdministratorAnnapolis Junction, MarylandComputer Science, Information Technology, Systems Engineering, Network Engineering, Software Engineering, Electrical Engineering, Cloud Computing, Cybersecurity, Information Systems, Data Science, ect. DevOps Engineer, Systems Administrator, Infrastructure Engineer, Site Reliability Engineer, Cloud Systems Administrator, Automation Engineer, Platform Engineer, Cloud Engineer, Linux Systems Administrator, Network Engineer, ect.
Enterprise - Junior Systems Administrator - AWS, Elastic, Splunk Erias VenturesEnterprise - Junior Systems Administrator - AWS, Elastic, SplunkAnnapolis Junction, MarylandWe’re looking for a system administrator who specializes in maintaining the security posture of a Linux computing environment for a team of 30 analysts and developers performing data science activities and developing forward-looking models to enhance strategic decisions about Information Technology performance and capacity. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Next Generation Desktop (NGDE) Systems Administrator - TS/SCI with Poly General Dynamics Information TechnologyNext Generation Desktop (NGDE) Systems Administrator - TS/SCI with PolyAnnapolis Junction, MarylandAs a Next Generation Desktop (NGDE) Systems Administrator supporting CIO Infrastructure Services, you will maintain, secure, and optimize a largescale thin client and virtual desktop ecosystem that delivers multidomain access across distributed environments. 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 Systems Administrators - All Levels LeidosLinux Systems Administrators - All LevelsAnnapolis Junction, MarylandJune 15, 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. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Enterprise - Systems Administrator - UNIX, Windows, Configure Erias VenturesEnterprise - Systems Administrator - UNIX, Windows, ConfigureAnnapolis Junction, MarylandConfigures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Systems Administrator 3 (Cleared) SCD Information TechnologySystems Administrator 3 (Cleared)MarylandThe ideal candidate has deep knowledge and experience with VMware vCenter, Cisco switches, VPNs, VLANs, and server deployment and is self-driven, self-learner willing to share knowledge and participate actively in a team environment. This role will be expected to perform system architect/design duties for both revamping current system design to fit new needs and developing a new and improved design, as the customer migrates to the Hardware as a Service (HWaaS) platform.
Systems Administrator SwiftSystems AdministratorAnnapolis JunctionConfigures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
Systems Administrator II RecruitrelianceSystems Administrator IIMarylandRequired Qualifications: Experience: Ten (10) years of experience as a Systems Administrator in programs of similar scope, type, and complexity. You will be responsible for the configuration, maintenance, and troubleshooting of enterprise IT infrastructure, ensuring optimal system performance and security.
Linux Systems Administrators - All Levels Leidos Holdings Inc.Linux Systems Administrators - All LevelsAnnapolis Junction, MD$116,350–$210,325 / yearFor 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. Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Senior Systems Administrator/Engineer Eliassen GroupSenior Systems Administrator/EngineerRockville, Maryland$70–$75 / hourAbout Eliassen Group:Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes.