• 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)
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  • Senior Systems Administrator

    Indigo IT, LLC (Washington, DC)
    Senior Systems Administrator Washington, DC SUMMARY: Founded in 2001, Indigo IT is an award winning information technology consulting and services ... of five (5) years of experience or equivalent work experience as a systems engineer/ administrator + Preference of Bachelor's degree in Computer Science or… more
    Indigo IT, LLC (11/12/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking **System Administrators** to join our...providing a comprehensive set of System/ Software Engineering and IT Services to maintain, sustain, enhance, and improve/modernize. The… more
    BAE Systems (12/04/25)
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  • Senior Linux Systems

    Leidos (Arlington, VA)
    …Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured environments, ... Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National...our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in… more
    Leidos (12/20/25)
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  • Senior 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: Senior System Administrator Job Description The...systems . Responsibilities + Configure and maintain the networked IT infrastructure, including hardware, system software, and applications. +… more
    Aston Carter (12/17/25)
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  • Lead Senior Systems

    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)
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  • Senior Database Administrator

    BAE Systems (Washington, DC)
    …Coordinates with IT teams to integrate database solutions within broader systems + Keeps current with emerging database technologies and trends to drive ... Security, CISA, CISSP, or GSEC + Bachelors degree in IT , Cybersecurity, Computer Science, Information Systems , Data...be available based on position level and/or job specifics. ** Senior Database Administrator ** **118979BR** EEO Career Site… more
    BAE Systems (12/04/25)
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  • 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 ... 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)
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  • Senior Enterprise Messaging…

    Dentons US LLP (Washington, DC)
    Senior Enterprise Messaging Administrator Chicago, IL, USSt. Louis, MO, USKansas City, MO, USWashington DC, DC, USDenver, CO, USAtlanta, GA, USDallas, TX, US Dec ... 12, 2025 ** Senior Enterprise Messaging Administrator ** Dentons US LLP...the latest applications, technologies, and their integration into existing systems , ensuring optimal performance and reliability. **Responsibilities:** + Lead… more
    Dentons US LLP (12/13/25)
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  • ServiceNow Portal Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **ServiceNow Portal Administrator , Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2136 ... Description:** CGI Federal has an exciting opportunity for a ServiceNow Portal Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (10/02/25)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) Global ... your technical expertise along with a drive for innovation to GDIT. The Senior Tier III Administrator must have:** **Education:** **Bachelor's Degree in Computer… more
    General Dynamics Information Technology (12/11/25)
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  • Senior ServiceNow Administrator

    CACI International (Arlington, VA)
    Senior ServiceNow Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... * * * **The Opportunity:** CACI are seeking a Senior ServiceNow Administrator to provide advanced operations...**Qualifications:** _Required:_ * Bachelor's degree in Computer Science, Information Systems , or a related field. * 15+ years of… more
    CACI International (12/02/25)
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  • Database Administrator , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Database Administrator , Senior ** **Category:** Database Administration **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2099 ... is acceptable. CGI Federal has an exciting opportunity for a Database Administrator within our Intel sector advancing the national security mission through cutting… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • Portal Administrator , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Portal Administrator , Senior ** **Category:** Project Management **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2128 **Employment ... **Position Description:** CGI Federal has an exciting opportunity for a Portal Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (10/02/25)
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  • Linux System Administrator - Senior

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA ... location. The qualified Systems Administrator will support a very dynamic...system-related issues, ensuring high performance, security, and availability of IT systems + Coordinate and manage … more
    Nightwing (12/20/25)
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  • 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 ... IT Infrastructure and Operations **Skills:** Information Technology ( IT ) Systems ,Linux,Microsoft Windows,Operating Systems (OS),Software...you advance your career. Join GDIT as a Systems Administrator Senior and build… more
    General Dynamics Information Technology (12/18/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a ... and troubleshooting procedures that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available… more
    Insight Global (12/04/25)
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  • Senior ServiceNow Platform…

    GovCIO (Washington, DC)
    **Overview** GovCIO is currently hiring for a ** Senior ** **ServiceNow Platform Administrator ** to support our USSS Network Operations and Security Center (NOSC) ... $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6168/ senior -servicenow-platform- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-DC-_ **ID** _2025-6168_ **Category**… more
    GovCIO (12/07/25)
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  • Senior Linux System Administrator

    GovCIO (Washington, DC)
    …to this job (https://careers-govcio.icims.com/jobs/6348/ senior -linux-system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position will… more
    GovCIO (11/07/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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