Enterprise Infrastructure Support Systems Administrator (SA) PeratonEnterprise Infrastructure Support Systems Administrator (SA)Laurel, Maryland$112,000–$179,000 / yearFull timePeraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. You will also work with network, storage, and server personnel to define new or modified solutions to complex problems; respond to requests for new systems to meet capacity and user requirements; and determine required power, space, cooling, and funding to meet these goals.
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.
Systems Administrator (SA) - TS/SCI with CI Polygraph Modern Government SolutionsSystems Administrator (SA) - TS/SCI with CI PolygraphMcLean, VAFull timeThe SA will work alongside the program's ISSE and security team to implement technical controls, maintain system security posture, and support the ongoing fielding and maintenance of a Top Secret Contractor Wide Area Network (CWAN).The ideal candidate brings hands-on experience with system hardening, vulnerability management, and system administration in NRO-sponsored CWAN infrastructure, along with the ability to collaborate effectively across technical and program teams in classified environments. TITLE: Systems Administrator (SA)LOCATION: McLean, VACLEARANCE REQUIRED: Active DoD TS/SCI with CI PolygraphEMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARYModern Government Solutions (MGS) is seeking a Systems Administrator (SA) to support the implementation, hardening, and maintenance of secure systems for mission-critical government programs.
Linux / Unix Systems Administrator CymertekLinux / Unix Systems AdministratorChantilly, VirginiaComputer 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.
NewSystems Administrator Sr - TS/SCI w/Polygraph General Dynamics Information TechnologySystems Administrator Sr - TS/SCI w/PolygraphHerndon, VirginiaTo 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. Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software.
NewPKI Systems Administrator - active Top Secret required GD 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.
NewTier 2 / Systems Administrator - ONSITE - Active Top Secret required General Dynamics Information TechnologyTier 2 / Systems Administrator - ONSITE - 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.
Microsoft Systems Administrator (TS/SCI REQUIRED) PROVATOHR INCMicrosoft Systems Administrator (TS/SCI REQUIRED)Fort Belvoir, VAFull timeThree years of experience serving as a team leader working as both part of a team and independently to assign/review immediate tasks, set priorities, maintain task progress, validate team members’ work consistent with the organizational goals and deadlines. Three years of progressively responsible experience in desktop support and administration, including supporting, troubleshooting, and managing workstations, monitors, VTC, and printers.
NewSystems Administrator/Engineer LeidosSystems Administrator/EngineerWashington, District of ColumbiaAugust 26, 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. 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.
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.
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.
Sr Systems Administrator AnaVationSr Systems AdministratorReston, VAWe deliver groundbreaking research with advanced software and systems engineering that provides an information advantage to contribute to the mission and operational success of our customers. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA.
NewSenior Linux Systems Administrator AeroVironment IncSenior Linux Systems AdministratorArlington, VA$91,000–$138,750 / yearIdentity & Access Management (MFA/PAM): Implement and enforce robust authentication and authorization frameworks, including smart card/FIPS-compliant MFA at desktop and SSH login, PAM module engineering, SSSD/FreeIPA integration, Active Directory/LDAP bridging, and centralized sudoers delegation. Enterprise Linux Server Administration: Design, build, configure, and maintain mission-critical Linux servers across on-prem (VMware vSphere) and cloud environments (OCI, AWS, Azure), supporting engineering workloads, database platforms, and custom development pipelines.
Cloud & Infrastructure Systems Administrator Shiftcode Analytics, IncCloud & Infrastructure Systems AdministratorWashington, DCInfrastructure Intelligence & Machine Learning: Collaborate with data science teams to integrate AI agents and machine learning capabilities for capacity planning, infrastructure optimization, and automated resource management. About this Position Cloud & Hybrid Infrastructure Management: Administer, configure, and support Microsoft Azure, AWS, and on-premises environments, including virtual machines, networking, storage, and identity services.
DevOps Systems Administrator CymertekDevOps Systems AdministratorChantilly, VirginiaComputer 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.
Systems Administrator - Vulnerability Mitigation LeidosSystems Administrator - Vulnerability MitigationChantilly, Virginia$116,350–$210,325 / yearLeidos Intelligence Group uses a wide range of capabilities in Digital Modernization , Mission Software Systems , and enabling technologies like Artificial Intelligence and Machine Learning to support our customers’ mission to defend against evolving threats around the world. June 4, 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.
NewWindows System Administrator TEKsystemsWindows System AdministratorArlington, VA$50–$65 / hourApply today to become part of a team team that is assisting a classified DoD Agency 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.
Systems Administrator Alpha Omega IntegrationSystems AdministratorLorton, VirginiaThere are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range. National Resilience – supporting agencies such as Federal Deposit Insurance Corporation (FDIC), Treasury, Health & Human Services (HHS), National Institutes of Health (NIH), National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA).
Systems Administrator CACISystems AdministratorSterling, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. This role combines systems engineering, systems administration, cybersecurity, virtualization, and Information Assurance (IA) responsibilities to ensure the reliability, security, and compliance of classified networks.
Junior Systems Administrator AkimaJunior Systems AdministratorAlexandria, VAstrong>For our government customers, Tuvli ensures that solutions are strictly aligned with agency processes and desired program outcomes while delivering the best value for technology investments. + Deploy, manage, maintain, and support Microsoft Windows (all versions), Active Directory, local applications, servers, workstations and related technologies.