• Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …**TRAVEL:** + This position requires no travel. **Qualifications** **CLEARANCE:** + Active Top Secret / SCI and Full Scope/Lifestyle Polygraph is required ... **Overview** Darkblade Systems , a CIS Secure company, is a trusted...new and emerging technologies.We're seeking a **Senior Level System Administrator with specialized experience with VMWare** for a unique,… more
    Intrepid Solutions and Services (08/28/25)
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  • Senior Systems Administrator

    ManTech (Lothian, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team in **Patuxent River, MD.** This is a full-time ... (HPC), storage, and networking + Experience building and administering systems using Red Hat Enterprise Linux (RHEL)...Must be a US Citizen and possess a current/active Top Secret Clearance **Physical Requirements:** + The… more
    ManTech (10/08/25)
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  • SIGINT Systems Administrator…

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator (Low-Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI ... None * * * CACI is seeking a SIGINT Systems Administrator (Low-Band Journeyman) to join the...onsite at Beale AFB, CA and have an active/current TS /SCI prior to hire. **Responsibilities:** + Manages/supports LBS SW… more
    CACI International (07/18/25)
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  • Junior System Administrator

    TekSynap (Fort Belvoir, VA)
    …and computing environment certifications required. **Overview** We are seeking a Junior Systems Administrator to support our Prime Contract with the Defense ... system administration functions on NE-MA standalone Windows and Redhat Linux based operating systems and applications. +...Three (3) years of technical experience. + BS/BA + Top - Secret clearance required with SCI or SCI… more
    TekSynap (10/07/25)
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  • System Administrator

    Parsons Corporation (Huntsville, AL)
    …providing hardware/software configuration, deployment, maintenance and management with a focus on Linux systems . + The candidate must have experience of managing ... what you're looking for. **Job Description:** The Parsons System Administrator (SA) will design, build, and maintain cost-effective information...the candidate be able to acquire and maintain a Top Secret / SCI Security. Minimum Clearance… more
    Parsons Corporation (09/17/25)
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  • Systems Administrator

    SMX (Patuxent River, MD)
    Systems Administrator (4563)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled System Administrator to ... Backup and recovery + Documentation support **Required Skills & Experience** + Clearance Required: Top Secret + 3+ years of experience + Must have thorough… more
    SMX (10/03/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …and support accreditation efforts. **What Required Skills You'll Bring:** + **Active Top Secret /SCI with Full Scope Polygraph** + Bachelor's degree in ... or DoD. + Strong proficiency in managing Windows and Linux operating systems . + Extensive experience with...+ Microsoft Azure Certifications **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is… more
    Parsons Corporation (09/04/25)
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  • Principal Windows System Administrator

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do ... that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams...have an active a transferable US government issued DoD Top Secret security clearance prior to start… more
    RTX Corporation (10/03/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    …infrastructure + Provide support in information security system requirements and design applicable to Linux hosts + Manage Linux systems using Puppet or ... Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Systems Administrator

    Arena Technical Resources, LLC (Langley, VA)
    Systems Administrator Location: Langley, VA, US Job ID: ATR 17352 Job Description Job Title: Systems Administrator Location: Langley, VA Eligibility: ... for the upkeep, configuration and reliable operation of computer systems , As a Systems Administrator ,...create and modify scripts in multiple disciplines on Windows, Linux , and Solaris systems * Knowledge of… more
    Arena Technical Resources, LLC (10/07/25)
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