• Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer/ Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle...candidate will ensure the smooth operation of existing enterprise systems by patching and updating the system regularly; while… more
    CACI International (12/26/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Location Hanover, Maryland Full-Time/Part-Time Full-Time Minimum Clearance TS/SCI with Polygraph Timeline Open Description Assertive Professionalsis in search of… more
    Assertive Professionals (12/25/25)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting, and maintenance support for complex Information ... Technology (IT) systems within a secure government environment. In this role,...of twenty (20) years of experience as a System Administrator (SA) on programs and contracts of similar scope,… more
    Kaizen Approach, Inc (11/11/25)
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  • System Administrator 1

    M. C. Dean (Annapolis Junction, MD)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
    M. C. Dean (11/05/25)
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  • Tier 2 Unified Communications Administrator

    CACI International (Washington, DC)
    Tier 2 Unified Communications Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... you will bring: + Technical knowledge of VoIP / PBX telephony systems , software, hardware, Telecommunications standards, and Cisco Unified Communications Manager. +… more
    CACI International (01/03/26)
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  • Senior Database Administrator - Oracle…

    Oracle (Washington, DC)
    **Job Description** Are you a mission-driven **Senior Database Administrator ** ready to take your career to the next level supporting the nation's most critical ... the ability to obtain and maintain a TS/SCI security clearance with Polygraph (required).** **Why Oracle?** At Oracle, your expertise supports national security,… more
    Oracle (01/01/26)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated team ... to:** + Configure and manage Linux and Solaris operating systems and installs/loads operating systems software, troubleshoot,...degree. + 15+ years of experience as a System Administrator or related experience in programs and contracts of… more
    ManTech (12/24/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …from an accredited college or university with 12 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and ... MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering… more
    ManTech (12/04/25)
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  • System Administrator , Staff

    Parsons Corporation (Chantilly, VA)
    …resolving issues for customer, and mobile devices as they pertain to Information Technology systems . The System Administrator will be the first line of defense ... your help. Our Team is looking for a **System Administrator ** . In this role you will maintain Information...In this role you will maintain Information Technology (IT) systems , and standard operating procedures for the systems more
    Parsons Corporation (01/08/26)
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  • System Administrator (TS-SCI w/Poly)

    Parsons Corporation (Columbia, MD)
    …a System Administrator + Experience with administration of VMware, Linux systems , and Windows servers inclusive of applications, processes the system supports. + ... and redefine what's possible. **Job Description:** Parsons is seeking a versatile System Administrator to tackle new challenges across the full stack as we continue… more
    Parsons Corporation (12/04/25)
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