IT Systems Administrator Booz Allen HamiltonIT Systems AdministratorArlington, VirginiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
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.
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.
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.
Linux Systems Administrator BCMCLinux Systems AdministratorArlington, VARequires on-site work in Arlington, VA 2-3 days per week - Must be able to obtain DHS Suitability.- 5+ years of directly relevant experience as a Linux System Administrator.- 3+ years of experience with Splunk Enterprise administration and log ingestion- 3+ years of experience with Ansible automation (Ansible Core or Ansible Tower/AAP)- Must be able to work collaboratively across physical locations. IAT Level II Our Company Overview Business Computers Management Consulting Group, LLC (BCMC) is a small business specializing in Information Technology (IT), Cybersecurity, Information Assurance (IA), SOA, Big Data Management, Program Management, and more for Federal, State, and Local agencies.
NewSystems Administrator Principal General Dynamics Information TechnologySystems Administrator PrincipalWashingtonUtilize automation tools like Ansible or PowerShell scripts to streamline repetitive admin tasks (provisioning new servers, configuring roles/features, or backing up system configurations). 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.
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.
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.
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.
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.
Lead Systems Administrator NT ConceptsLead Systems AdministratorVienna, VA$120,336–$180,504 / yearWe deliver end-to-end data and technology solutions that advance the modernization, transformation, and automation of the national security mission—solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative “big idea” problem-solving. The compensation offered to a successful candidate within this range will be based on legitimate, job-related factors, including (but not limited to) the candidate's work location, education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
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.
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.
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.
Systems Administrator T4 Johnson Technology Systems IncSystems Administrator T4Reston, VA$127,000–$132,000 / yearThe Senior Systems Cloud Administrator will be directly responsible for the installation, configuration, upgrade, patching, maintenance and monitoring of the SAS environment across the entire Enterprise, while ensuring compliance to various security and encryption protocols for U.S. national security. Key deliverables for success will be: ensuring 100% availability of the environment; implementing fault and performance management; enforcing corporate network, system and application security procedures.
Learning Management Systems Administrator (Remote) Terrestris Global SolutionsLearning Management Systems Administrator (Remote)Washington, DCRemoteCourse Management : Publish and archive online or blended learning solutions, assign training curricula, and add and delete resources. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.
NewSystems Administrator - Active Security Clearance CadreSystems Administrator - Active Security ClearanceReston, VAFull timeRequest and Reporting System requests; verify accesses; obtain approvals, and serve as a liaison between users and other support offices to resolve/fulfill IT and access administration problems/requirements)Perform the physical setup and configuration of desktop hardware and software as neededPerform other duties as assigned at the discretion of Project Management Required Qualifications:Ability to obtain and maintain a TS/SCI with polyBachelor's degree preferred, in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline related to the specific skill. The Systems Administrator interacts with users to troubleshoot and resolve hardware, software and performance problems for customers using mainframe, LANs, PCs and printers.
Junior Systems Administrator ValidaTekJunior Systems AdministratorQuantico, VAOur commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. Summary: The Junior Systems Administrator provides day-to-day support, maintenance, and monitoring of organizational IT systems and infrastructure under the guidance of senior technical staff.
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.