• 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 (06/10/25)
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  • Senior Systems Administrator

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports… more
    V2X (05/17/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a highly skilled ** Senior Systems Administrator ** to support mission-critical operations across various laboratory ... systems to address complex mission-specific challenges. The ** Senior Systems Administrator ** will work...considered in lieu of a degree. + An active TS /SCI with Poly security clearance. + At least 5… more
    Leidos (06/11/25)
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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 (Arlington, VA)
    **Description** Leidos is seeking a highly motivated and experienced ** Senior Systems Administrator ** to join our team supporting the Air Force National ... (AFNCR ITS NMCC) at **the Pentagon** . As the Senior Systems Administrator , you will...is 100% on-site at the Pentagon and an active TS /SCI is required to start.** **Primary Responsibilities:** + **System… more
    Leidos (05/24/25)
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  • Senior Systems Administrator

    Integration Innovation, Inc. (i3) (Washington, DC)
    Overview i3 is seeking a Senior Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is ... are a mix of Unix based and Windows based systems . + Plan and document planned migrations of various...US Citizenship required Clearance Requirements: + Security Clearance Level: TS with SCI Preferred Skills: + Knowledge of cryptographic… more
    Integration Innovation, Inc. (i3) (05/08/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior ... within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The role… more
    Black Bear Technology Solutions, LLC (05/24/25)
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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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  • 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 (06/03/25)
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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 (06/19/25)
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  • Senior Windows Systems

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for an ambitious Senior Level System Administrator /VMWare SME like you! Candidates will join a fast-paced and growing team of ... and participate in a growing ever-changing mission. Apply today! **Qualifications** + Active TS /SCI with Poly + 14 years of relevant IT experience + Bachelor's… more
    SAIC (06/03/25)
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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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  • Senior Solutions Architect - Top

    Innovative Management & Technology Services (Reston, VA)
    Senior Solutions Architect Primary Location: Reston, VA or Washington, DC Clearance: Top - Secret ( TS ) Clearance Position Summary: We are seeking a highly ... skilled Senior Solutions Architect to lead and execute advanced architecture...Agile practices, workflows, and documentation. Required Qualifications: * Active Top Secret clearance (required). * Bachelor's degree… more
    Innovative Management & Technology Services (05/15/25)
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  • Solutions Architect (SME) - Top

    Innovative Management & Technology Services (Reston, VA)
    …Job Title: Solutions Architect (SME) Primary Location: Reston, VA or Washington, DC Clearance: Top - Secret ( TS ) Clearance Position Summary: We are seeking a ... skilled Solutions Architect Subject Matter Expert (SME) with a Top Secret clearance and 10+ years of...to join our team in support of complex mission-critical systems . The ideal candidate will bring extensive technical expertise… more
    Innovative Management & Technology Services (05/14/25)
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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 (05/14/25)
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  • System Administrator

    General Dynamics Information Technology (Arlington, VA)
    …of existing systems to ensure the command is always mission capable. **HOW A SYSTEMS ADMINISTRATOR SENIOR WILL MAKE AN IMPACT** + Responsible for the ... Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems...career. At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today… more
    General Dynamics Information Technology (06/19/25)
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  • NCIS Senior Citrix Administrator

    General Dynamics Information Technology (Quantico, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... **Job Description:** Transform technology into opportunity as a **Citrix Administrator ** with GDIT. A career in enterprise IT means...Secret clearance; Must be able to obtain a Top TS /SCI after + **Required Experience:** 8… more
    General Dynamics Information Technology (05/25/25)
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  • Senior VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** ... Yes **Job Description:** Transform technology into opportunity as a ** Senior VMware Administrator ** with GDIT. A career...tasks **WHAT YOU'LL NEED:** + **Security Clearance Level:** Active Secret clearance (Must be TS /SCI eligible) +… more
    General Dynamics Information Technology (06/12/25)
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  • Senior Network Administrator

    General Dynamics Information Technology (Washington, DC)
    …RQ199117 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Administration **Skills:** Border Gateway Protocol (BGP),Local Area Network (LAN),Network Administrator ,Open Shortest Path First (OSPF) **Experience:** 8 + years of… more
    General Dynamics Information Technology (05/05/25)
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  • System Engineer ( TS /SCI)- Senior

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... analyzes existing infrastructure for tuning/performance enhancements. The individual will provide systems and software operations and maintenance support in a large,… more
    Vexterra Group (04/16/25)
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