• 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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  • 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 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 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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  • 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 Insight Global's SaaS Client is seeking a highly skilled Senior Systems Cloud Administrator with strong experience in Microsoft Azure, ... and infrastructure standards. * Provide training or knowledge-sharing to IT operations and other technical teams. Systems ...to IT operations and other technical teams. Systems Lifecycle & Backup * Perform builds, upgrades, and… more
    Insight Global (12/04/25)
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  • Senior Contract Support…

    KBR (Chantilly, VA)
    Title: Senior Contract Support Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a… more
    KBR (10/15/25)
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  • Lead ServiceNow System Administrator Public…

    ICF (Reston, VA)
    …establishing, activating, modifying, disabling, and removing accounts. Provide support to IT systems , including day-to-day operations, monitoring, and problem ... rapidly growing, entrepreneurial, technology department, seeking a Lead ServiceNow System Administrator to support a federal project. Our Data Modernization Division… more
    ICF (01/03/26)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * **The Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the… more
    CACI International (12/27/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers ... Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will… more
    M. C. Dean (10/23/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking aSystem Administrator with Polygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (01/07/26)
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  • Oracle/NoSQL Database Administrator

    SAIC (Ashburn, VA)
    **Description** **Position Summary** We are seeking a highly skilled and experienced senior -level Database Administrator (DBA) to join our team. **The ideal ... markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT , including cloud services;… more
    SAIC (01/10/26)
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  • Senior CrowdStrike Falcon Endpoint Security…

    AIG (Reston, VA)
    …reimagining the way we help customers to manage risk. Join us as a Senior CrowdStrike Falcon Endpoint Security Engineer to play your part in that transformation. ... everything we do, from underwriting risks to processing claims. The Information Technology ( IT ) team equips our colleagues with the latest tools to complete their… more
    AIG (10/24/25)
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  • Senior Salesforce Configuration Analyst…

    Koniag Government Services (Chantilly, VA)
    …(KMS),** a Koniag Government Services company, is seeking an experienced Senior Salesforce Configuration Analyst to join our Salesforce delivery team supporting ... three weeks of paid time off, and more. The Senior Salesforce Configuration Analyst serves as a key member...Required: + Bachelor's degree in Computer Science, Computer Information Systems , or related field from an Bachelor's degree in… more
    Koniag Government Services (11/07/25)
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  • Senior Travel Trainer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Travel Trainer** to join our team in **Chantilly, VA.** The Senior Travel Trainer must ... independently and within small teams to support various software and systems -related tasks; instruct participants in one-on-one, small group, large group, virtual,… more
    ManTech (12/20/25)
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  • ServiceNow Knowledge Manager

    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 ... & Skills** **Preferred Education, Experience, & Skills** + ServiceNow Certified System Administrator (CSA) and Certified Implementation Specialist - IT Service… more
    BAE Systems (10/30/25)
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  • Systems Support Engineer I (Monday-Friday…

    Red River (Chantilly, VA)
    …you seek to make those around you successful. We are looking for a ** Systems Support Engineer I** to join our fast-paced, customer-first global service desk team. ... calls and assigned tickets from users experiencing challenges with systems , applications, and infrastructure. Whether working independently or collaboratively, your… more
    Red River (01/05/26)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... plan, coordinate, and execute logging-related initiatives across interconnected and heterogeneous systems . + Administer and optimize enterprise IT applications… more
    Tyto Athene (11/01/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and mission ... 3 problem identification, diagnosis and resolution - Implement, troubleshoot and maintain IT systems remotely - Document the management of system infrastructure… more
    Arena Technical Resources, LLC (11/29/25)
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