• Senior Systems Administrator

    Cambridge International Systems Inc (Mclean, VA)
    …and complex obstacles! Cambridge International Systems , Inc. has a full-time Senior Systems Administrator opportunity available based in McLean, VA. ... Qualified candidates for this job must possess a current DoD TS /SCI full scope w/poly security clearance. ROLE RESPONSIBILTIES + Maintains smooth operation of… more
    Cambridge International Systems Inc (03/12/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program ... and play a key role in supporting government-critical systems . You will be part of a program that...optimization. **What does Leidos need from me?** + Active Top Secret /SCI ( TS /SCI) with Polygraph… more
    Leidos (03/31/25)
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  • Senior Systems Administrator

    Leidos (Lorton, VA)
    **Description** The Multi Domain Solutions Division at Leidos is looking for a ** Senior Systems Administrator ** to support a fast-paced program with the Air ... success while adhering to DoD standards and regulations. The ** Senior Systems Administrator ** will ensure...**Basic Qualifications:** + US Citizen with at least a Top Secret clearance and the ability to… more
    Leidos (04/11/25)
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  • Senior Systems Administrator

    ManTech (Alexandria, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior ** ** Systems Administrator ** to join our team in the **DC Metro Area** . ... to minimize downtime and maintain system reliability. + Manage and Maintain IT Systems : Ensure the continuous and efficient operation of IT systems , including… more
    ManTech (04/02/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, mission-oriented Senior Systems Administrator to join our team in Chantilly, VA. As the Senior Systems Administrator , ... configuration, and upgrades. + Create and maintain comprehensive documentation for systems architecture, processes, and configurations + Domestic Travel up to 25%… more
    ManTech (04/25/25)
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  • Senior Systems Administrator

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Systems Administrator ** to join our team in **Herndon, VA.** The ** Senior Systems ... Red Hat derivative Linux distributions **Clearance Requirements:** + An active TS /SCI with Polygraph Clearance **Physical Requirements:** + Must be able to… more
    ManTech (03/13/25)
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  • Senior Systems Administrator

    Parsons Corporation (Fort Belvoir, VA)
    …what you're looking for. **Job Description:** Parsons is looking for an amazingly talented ** Senior ** ** Systems Administrator ** to join our team! In this ... (IAC) (eg Terraform), and containerization (eg, Docker) **Minimum Clearance Required to Start:** Top Secret SCI This position is part of our Federal Solutions… more
    Parsons Corporation (02/01/25)
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  • Senior Systems Administrator

    Lumen (Herndon, VA)
    …Join us as we digitally connect the world and shape the future. **The Role** The Senior Systems Administrator - Federal will directly impact the business by ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...6+ years of experience and a Bachelor's Degree. Active TS clearance with current SSBI/T5R investigation & CI Polygraph.… more
    Lumen (04/15/25)
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  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with Polygraph Required** **NS2 ... for this role. All internals must have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
    SAP (04/22/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VMware) - TS /SCI required** Transform technology ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...into opportunity as a ** Systems Administrator Senior ** with GDIT. A career in… more
    General Dynamics Information Technology (02/25/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Arlington, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... software. GDIT is looking for a Windows Systems Administrator that holds an active TS /SCI eligible clearance for a position located in Arlington, Va. This… more
    General Dynamics Information Technology (02/05/25)
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  • Senior Systems Administrator

    Amentum (Mclean, VA)
    …are resolved, documented, and closed in a timely manner. **Must have an Active Top Secret /SCI US Government clearance. Note: US Citizenship is required to ... Job Description Amentum is looking for a ** Senior System Administrator ** to join our...maintain a Top Secret /SCI clearance.** **MAJOR DUTIES AND RESPONSIBILITIES:**… more
    Amentum (04/11/25)
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  • Senior Systems Administrator

    ICF (Reston, VA)
    …inexpensively, and securely. **This position requires** **an active Department of Defense Top Secret (or higher) security clearance.** Working at ICF means ... Description ICF is looking for a System Administrator to work with an Agile team to...security stance **Required Qualifications** + Active Department of Defense Top Secret (or higher) security clearance +… more
    ICF (04/30/25)
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  • Enterprise Senior Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... Description:** GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense...or SSCP). + Required: Minimum of a DoD Final Secret security clearance at start. \#GDITPriority \#armajobs The likely… more
    General Dynamics Information Technology (04/24/25)
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  • Senior System Administrator

    ManTech (Chantilly, VA)
    Administrator ;** to join our team in **Chantilly, VA** . A qualified Senior Systems Administrator will support a secure Windows-based Information System ... installation, operation, and maintenance of all current and future Information Systems . Duties and responsibilities involve the support and administration of Windows… more
    ManTech (03/04/25)
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  • Juniper Network Administrator - TS

    Three Saints Bay (Washington, DC)
    …application problems. + Perform any other related duties as assigned by the Senior Systems Administrator , Technology or other appropriate administrator ... **Juniper Network Administrator - TS /SCI Required (4790)** Location **Washington, DC**...Engineer - TS /SCI Required** with an active Top Secret clearance to join our Team!… more
    Three Saints Bay (03/20/25)
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  • Systems Administrator

    Lockheed Martin (Springfield, VA)
    …be able to fully utilize modern HPC systems \. We are seeking a senior level Systems Administrator with Linux and Software Configuration Management ... management, build automation and release engineering\. This is a Systems Administrator role that manages Linux server...to obtain and maintain a security clearance at the Top Secret /SCI level with a poly\. Requires… more
    Lockheed Martin (03/21/25)
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  • Sr Systems Administrator - Active…

    NTT America, Inc. (Washington, DC)
    …of Columbia (US-DC), United States (US). **Position's General Duties and Tasks:** The Senior IT Systems Administrator - Active Directory provides Tier ... organization, apply now. We are currently seeking a Sr Systems Administrator - Active Directory-US Citizen to...hiring. + **Must be a US citizen with a Top Secret /SCI Clearance who is capable of… more
    NTT America, Inc. (04/25/25)
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  • Systems Engineer/ Administrator

    Lockheed Martin (Springfield, VA)
    …be able to fully utilize modern HPC systems \. We are seeking a senior level Systems Engineer/ Administrator Staff with Linux and Software Configuration ... Including configuration management, build automation and release engineering\. This is a Systems Administrator role that manages Linux server infrastructure in… more
    Lockheed Martin (04/09/25)
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  • Systems Administrator - active…

    V2X (Springfield, VA)
    …Under the guidance of more senior Server team members, the Systems Administrator provides O&M support - installation, configuration, testing, sustainment, ... respect, responsibility, and professionalism. We are hiring a System Administrator - active TS /SCI clearance to support...required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to… more
    V2X (04/09/25)
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