• Senior IT Systems

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests… more
    ManTech (12/03/25)
    - Save Job - Related Jobs - Block Source
  • IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... but are not limited to:** + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad range of service requests… more
    ManTech (11/19/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …SME to provide Tier I & II problem identification, diagnosis, and resolution for complex IT systems , as well as technical assistance to computer system users. As ... a Systems Administrator SME, you will play a...+ Provide support for implementation, troubleshooting, and maintenance of IT systems , including day-to-day operations, monitoring, and… more
    BAE Systems (12/12/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator /Tester (SME)

    BAE Systems (Herndon, VA)
    …to improve our future and protect our freedom. We are seeking an experienced Systems Administrator SME with strong Quality Assurance (QA) testing skills to ... support enterprise IT operations in a mission-critical environment. This role provides...be available based on position level and/or job specifics. ** Systems Administrator /Tester (SME)** **119483BR** EEO Career Site… more
    BAE Systems (12/19/25)
    - Save Job - Related Jobs - Block Source
  • IT Infrastructure and Engineering Support…

    CACI International (Sterling, VA)
    …* * **The Opportunity:** CACI has an immediate opening for an Infrastructure/ Systems Administrator , supporting a development and test environment, utilizing ... IT Infrastructure and Engineering Support Administrator Job...various operating systems and a multitude of engineering equipment. This position is… more
    CACI International (11/29/25)
    - Save Job - Related Jobs - Block Source
  • Citrix Systems Administrator

    Leidos (Bethesda, MD)
    …environment where you can thrive, keep reading!** Leidos is seeking a Citrix Systems Administrator to support the National Media Exploitation Center (NMEC). The ... Administrator will provide operations support to customers across multiple...improving the reliability, functionality, and user experience of the systems . This individual will work in a team environment… more
    Leidos (12/03/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you ... IT Infrastructure and Operations **Skills:** Information Technology ( IT ) Systems ,Linux,Microsoft Windows,Operating Systems (OS),Software...advance your career. Join GDIT as a Systems Administrator Senior and build an impactful… more
    General Dynamics Information Technology (12/18/25)
    - Save Job - Related Jobs - Block Source
  • ITSM ServiceNow Administrator

    BAE Systems (Sterling, VA)
    **Job Description** **Join a Team that's Shaping the Future of IT Support** At BAE Systems , we're passionate about delivering innovative IT solutions that ... customers to achieve their missions. As an **ITSM ServiceNow Administrator ** , you'll play a critical role in providing..., you'll play a critical role in providing exceptional IT support to the customer. You'll be part of… more
    BAE Systems (10/30/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    Aston Carter (Dulles, VA)
    …and database performance. Essential Skills + 5 to 10 years of experience systems administrator + Proficiency in Microsoft Office. + Meraki Networking and ... Job Title: System Administrator Job Description The role requires visiting worksites...systems . Responsibilities + Configure and maintain the networked IT infrastructure, including hardware, system software, and applications. +… more
    Aston Carter (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and ... innovation and play a meaningful part in improving how agencies operate. **HOW** **A SYSTEMS ADMINISTRATOR ** **WILL** **MAKE AN IMPACT** + We are seeking a… more
    General Dynamics Information Technology (12/16/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …**:** Active Top Secret SCI with Polygraph **What You Will Do** **:** As a Systems Administrator , you will be involved in managing and maintaining our IT ... **Job Family** **:** Systems Engineering (SYE) **Travel Required** **:** Up to...will be vital as you evaluate and modernize our IT infrastructure. **What You Will Need** **:** + An… more
    Guidehouse (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a highly motivated Systems Administrator to join our team of professionals providing technical and program services to the US ... land, at sea, in air, and in space. The Systems Administrator will be part of a...Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT , including… more
    SAIC (11/15/25)
    - Save Job - Related Jobs - Block Source
  • IT Administrator

    Advanced Technology and Research Corporation (Bethesda, MD)
    …administrative experiences are a plus SKILLS & ABILITIES REQUIREMENTS: + Knowledge in IT systems , concepts, practices and procedures. + Knowledge in government ... IT Admin Location: Bethesda, MD Type: Full Time...as a team member on site providing Information Technology ( IT ) administrative support to the Naval Surface Warfare Center,… more
    Advanced Technology and Research Corporation (12/09/25)
    - Save Job - Related Jobs - Block Source
  • Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented **Senior Systems Administrator ** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as...or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years in a… more
    ManTech (12/19/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator - COMSEC

    KBR (Chantilly, VA)
    Title: Systems Administrator - COMSEC Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... our national security. In this SETA role, you use your expertise to perform Systems Administration for a COMSEC group. A Systems Engineering Technical Advisor… more
    KBR (12/06/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator II/Tools…

    GovCIO (Bethesda, MD)
    **Overview** GovCIO is currently hiring for Systems Administrator /Tools Engineer, for our NIH-CIT proposal. This position is located in Bethesda, MD and is a ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7270/ systems - administrator -ii-tools-engineer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-MD-Bethesda_ **ID** _2025-7270_… more
    GovCIO (12/18/25)
    - Save Job - Related Jobs - Block Source
  • Junior Systems Administrator

    fusionSpan (Rockville, MD)
    …Wednesdays, and Thursdays) Overview We are looking for a sharp, technically-minded Junior Systems and Integrations Administrator to join our team. This is an ... across our ecosystem, including Slack, BambooHR, and QuickBooks. Key Responsibilities Systems & Cloud Administration + Salesforce Administration: Act as a junior… more
    fusionSpan (12/25/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and skilled **Senior Systems Administrator ** to join our sustainment team in **Chantilly, VA.** In this role, you will support a ... limited to:** + Provide hands-on O&M support for enterprise systems , including break-fix resolution and routine sustainment tasks +...of a degree + 5+ years of experience in IT , O&M, sustainment, and/or break-fix support + Demonstrated experience… more
    ManTech (12/13/25)
    - Save Job - Related Jobs - Block Source
  • Cloud Administrator

    Leidos (Ashburn, VA)
    …tasks such as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems . The Cloud Administrator must have a deep understanding and ... intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet… more
    Leidos (11/15/25)
    - Save Job - Related Jobs - Block Source
  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active ... innovative solutions to enable secure and reliable operations of enterprise computer systems . Develop new concepts and processes and analyze root causes and resolve… more
    ENS Solutions (09/27/25)
    - Save Job - Related Jobs - Block Source