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  • Linux Systems Engineer

     ...Linux Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any... 
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    Full time
    Part time

    William C Brown Inc

    Springfield, VA
    15 hours ago

  • Linux Systems Administrator - HPC (TS/SCI Clearance Required)

     ...Linux Systems Administrator - HPC North Point Technology is looking to hire a Systems Engineer to support our mission operations team. The qualified candidate must have an active TS/SCI security clearance, and will support the operation and sustainment of a mission-... 
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    For contractors
    Flexible hours

    North Point Technology

    Springfield, VA
    3 days ago

  • Linux System Administrator

     ...Linux System Administrator Springfield, Virginia, United States At Obscurity Labs we employ the top talent in the industry, providing our customers & partners with cutting-edge engineering solutions. We fundamentally believe that a culture rooted in the nurturing... 
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    Full time
    Remote work

    Obscurity Labs

    Springfield, VA
    2 days ago

  • Linux Systems Administrator

     ...Job Opportunity We are looking for Linux Systems Administrators to support and maintain secure, mission-critical production environments for our customers. This position is responsible for planning, implementing and performing all the various tasks required to build... 
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    Grove Recruit Group

    Springfield, VA
    4 days ago

  • Linux Engineer

     ...ensuring the security of crucial data, optimizing IT infrastructure, and simplifying business processes through cutting-edge software systems. Because at Intellectix, it's not what we do, it's why we do it. Key Responsibilities: Develops technical solutions for... 
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    Intellectix

    Springfield, VA
    1 day ago

  • Senior Systems Engineer (Linux)

     ...Senior Systems Engineer (Linux) Location: Springfield, VA Clearance: TS/SCI Citizenship: US Citizenship Required Whether running countries, corporations, or courtrooms, our clients bear the responsibility for shaping the lives of millions. At Intellectix, we... 
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    Intellectix

    Springfield, VA
    1 day ago

  • SE Linux Based MLS SME Linux Administrator

     ...involve working on cutting edge HPC technologies to ensure that scientists and engineers will be able to fully utilize modern HPC systems. We are seeking a SE Linux Based MLS Linux Administrator SME for our enterprise MLS configuration team which includes our Centralized... 
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    Cohere Technology Group

    Springfield, VA
    2 days ago

  • Senior MLS Linux Systems Administrator (TS/SCI)

     ...Cinteot is looking for a Systems Administrator with a TS//SCI in Springfield, VA. The role requires extensive proficiency in SE Linux for managing high-performance computing environments across multiple locations including Littleton, CO, and King of Prussia, PA. Applicants... 
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    Cinteot Inc.

    Springfield, VA
    4 days ago

  • Systems Admin with Security Clearance

     ...NIST 800‑62 (latest revision) and FISMA standards related to incident reporting Knowledge of NCCIC National Cyber Incident Scoring System to prioritize triaging of incidents Knowledge of general attack stages (footprinting, scanning, enumeration, gaining access,... 
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    Shift work

    Ampcus Inc

    Arlington, VA
    3 days ago

  • Systems Administrator - HCI

     ...Description SAIC is seeking a highly motivated and skilled? Systems Administrator - HCI (Hyper-Converged Infrastructure) ?to join our MAJESTIC Joint Program Office (JPO) Team to support the operational management, maintenance, and optimization of mission-critical... 
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    SAIC

    Springfield, VA
    15 hours ago

  • Systems Administrator

     ...Systems Administrator Springfield, Virginia, United States Requires an active TS/SCI Security Clearance with the ability to obtain a CI Poly What Impact You'll Have: We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience... 
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    Immediate start
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    GRVTY

    Springfield, VA
    2 days ago

  • Linux Systems Administrator

     ...MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA. As a Linux Systems Administrator, you will help maintain and enhance the Sponsor’s Linux environment alongside a talented team. You will be responsible... 
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    MANTECH

    Chantilly, Loudoun County, VA
    15 hours ago

  • Systems Administrator

    $90k - $105k

     ...Range: $90,000.00 - $105,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare... 
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    Full time
    Work experience placement
    Local area
    Worldwide

    Huntington Ingalls Industries

    Springfield, VA
    6 days ago

  • Systems Admin Sr Adv (TS/SCI with Poly Required)

     ...Systems Admin Sr Adv (TS/SCI with Poly Required) GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce... 
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    GCI, INC

    Chantilly, Loudoun County, VA
    2 days ago

  • System Admin

    $90k - $125k

    Apply now: Systems Administrator, Onsite. Start date is Mid-June for this Permanent position. Job Title: Systems Administrator Location-Type: Onsite, Northern Virginia (near Herndon, VA) Start Date: Mid-June Duration: Permanent Compensation Range: $9... 
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    Permanent employment

    Mondo Staffing

    Herndon, VA
    4 days ago

  • Hyperconverged Infrastructure (HCI) Systems Administrator

    $185k

     ...Anticipated Salary Range: - $185,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic... 
    Full time
    Work experience placement
    Work at office
    Local area
    Worldwide

    Huntington Ingalls Industries

    Springfield, VA
    1 day ago

  • Sr. Systems Admin.

     ...REQUIRES AN EXISTING/ACTIVE TS/SCI WITH CI POLYGRAPH - NO REMOTE WORK Plans, designs, and implements infrastructure changes and system upgrades. Manages and troubleshoots multiple VMware environments. Provides Windows Server and Linux administration,... 
    Remote work

    DAn Solutions Inc

    Reston, VA
    15 hours ago

  • Senior System Admin

     ...the satisfaction of the user/customer. Documents incident with detailed break-fix steps and resolution in Remedy ticket tracking system. Provides advanced customer service and support. Communicates with high profile customers in a professional and courteous... 
    Full time
    Work experience placement
    Remote work

    E-talentnetwork

    Alexandria, VA
    4 days ago

  • Systems Administrator

     ...PSG is seeking an individual with IT Systems Engineering & Administrative experience with Windows and Linux environments. The selected candidate will be responsible for providing technical support for the operating systems and their successful integration with the hardware... 

    Point Solutions Group

    Springfield, VA
    20 days ago

  • TS/SCI Systems Administrator (Tier 2)

     ...Systems Administrator Marathon TS is currently hiring for a TS/SCI cleared Systems Administrator to support our intelligence customer in Springfield, VA. Job Description The Tier 2 Desktop Support Technician provides Deskside IT Service support to the End User... 
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    Currently hiring
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    Flexible hours

    Marathon TS

    Springfield, VA
    4 days ago

  • Senior Systems Administrator

     ...contract provides integration, design, development, and sustainment for data services in support of the Federal Government. The Senior System Administrator is responsible for overseeing the testing of products from development to operational deployment, working with Scrum... 
    Permanent employment
    Contract work

    Tetrad Digital Integrity

    Springfield, VA
    4 days ago

  • System Administrator (TS/SCI CI Poly Clearance Required)

     ...System Administrator (TS/SCI CI Poly Clearance Required) Springfield, Virginia, United States North Point Technology is looking for a TS/SCI Full Scope Poly cleared System Administrator to join our team! As a Systems Administrator, you'll play a critical role... 
    Flexible hours

    North Point Technology

    Springfield, VA
    15 hours ago

  • Systems Administrator

     ...Job Posting We are in search of Systems Administrators to maintain, upgrade and manage our software, hardware and desktop support infrastructure. You should be resourceful and able to diagnose and resolve problems quickly. Experience in Linux, Windows. LAN, WAN and... 

    Grove Recruit Group

    Springfield, VA
    4 days ago

  • Systems Administrator - MAJESTIC

    $55k - $135k

     ...Range: $55,000.00 - $135,000.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare... 
    Full time
    Work at office
    Local area
    Worldwide

    Huntington Ingalls Industries

    Springfield, VA
    15 hours ago

  • Server Compute Systems Admin., Senior

     ...Server Compute Systems Admin., Senior Posted 20-Feb-2026 (EST) Washington, DC, USA Full Time POSITION CONTINGENT ON AWARD/FUNDING NO REMOTE WORK, MUST WORK ON SITE High-Level Description: The Systems Administrator supports the server compute environment... 
    Full time
    Remote work

    DAn Solutions Inc

    Washington DC
    3 days ago

  • Systems Administrator

     ...Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any... 
    Full time
    Part time
    Local area
    Remote work
    Shift work
    Rotating shift

    William C Brown Inc

    Springfield, VA
    3 days ago

  • Sr. Systems Admin

     ...Are you ready to elevate your career in system administration? Our client is seeking a skilled and experienced professional to join their team, where you'll manage and optimize a diverse range of systems and cloud platforms. You'll play a crucial role in maintaining... 

    Talent Wave Associates

    Alexandria, VA
    1 day ago

  • Systems Administrator

     ...Systems Administrator Location: Springfield, VA Clearance: TS/SCI Citizenship: US Citizenship Required Whether running countries, corporations, or courtrooms, our clients bear the responsibility for shaping the lives of millions. At Intellectix, we are on a... 
    Local area
    Remote work

    Intellectix

    Springfield, VA
    1 day ago

  • Systems Administrator

    $77.6k - $176k

     ...Systems Administrator The Opportunity: Your technical expertise makes you a key team player, solving one problem after another. Here, you'll have the ability to work with a team of scientists, engineers, and other system administrators to support a Department... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    BOOZ, ALLEN & HAMILTON, INC.

    Springfield, VA
    2 days ago

  • Modeling & Simulations System Admin

     ...with the main effort of providing training and support. Job Summary Obsidian Solutions Group (OSG) is seeking a Simulation system (MAGTF Tactical Warfighting Simulation (MTWS), Joint Deployment Logistics Model (JDLM), Air, Space and Cyberspace Constructive Environment... 
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    Obsidian Solutions Group

    Quantico, VA
    3 days ago