Tier 2 Systems Administrator CACITier 2 Systems AdministratorSpringfield, VirginiaProvide advanced technical support for hardware, software, database, custom software and network-related issues escalated from Tier 1. • Administer and maintain servers (Windows, Linux, Solaris), desktops and applications, printers and peripheral equipment, Active Directory and virtual environments (VMware). Pay 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.
Systems Administrator - Vulnerability Mitigation Leidos Holdings Inc.Systems Administrator - Vulnerability MitigationChantilly, VA$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. 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 - 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.
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.
NewWindows System Administrator - CESO TEKsystemsWindows System Administrator - CESOArlington, 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.
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.
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.
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.
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.
NewSystems Administrators CACISystems AdministratorsReston, VirginiaCACI is seeking Systems Administrators at the Journeyman, Senior, and Subject Matter Expert (SME) levels to provide systems administration, desktop support, infrastructure management, application support, network operations, and IT Service Management (ITSM) support across complex enterprise environments. You will work alongside technical teams, Government stakeholders, and mission partners to troubleshoot complex issues, manage incidents and service requests, support infrastructure and applications, implement changes, and continuously improve the end-user experience.
Systems 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.
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.
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.
Senior IT Systems Administrator Scout SpaceSenior IT Systems AdministratorReston, VirginiaScout is seeking a skilled Senior IT Systems Administrator to lead the design, implementation, and management of our internal IT systems as we transition from third-party managed services to a scalable in-house capability. Build and mature Scout's in-house IT support capability while maintaining strong working relationships with our Managed Service Provider (MSP), CMMC consultants, and other technology partners.
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.
Junior Systems Administrator Accenture Federal ServicesJunior Systems AdministratorArlington, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $64,000—$124,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Classified System Administrator (Active Clearance), Intelligence Systems ANDURIL INDUSTRIESClassified System Administrator (Active Clearance), Intelligence SystemsReston, VA$146,000–$194,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
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.
Senior Linux Systems Administrator Staffed4USenior Linux Systems AdministratorCollege Park, MarylandThe ideal candidate is a senior-level Linux systems administrator who enjoys solving difficult infrastructure problems, supporting mission-critical systems, and working in a secure environment where reliability, documentation, and operational excellence matter. This role is ideal for an experienced systems administrator who is comfortable owning Linux infrastructure, troubleshooting complex issues, supporting operational systems, and working directly with technical teams and mission users.
Senior Systems Administrator Accenture Federal ServicesSenior Systems AdministratorArlington, VAThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $78,600—$160,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .