• ABBTECH Professional Resources, Inc. (Norfolk, VA)
    ** Senior Systems Administrator (Unix/Linux)** +...be designated as IAT III level with a T5 ( Top Secret Clearance). **Position Details:** + Pay Rate ... / Range: $69.67-$74.67 _The above salary range represents the range expected for the position; however, final salary offers are based on a number of factors such as the position's responsibilities; the candidate's experience, education, and skills; location;… more
    DirectEmployers Association (12/17/25)
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  • Applied Research Solutions (Dayton, OH)
    …**_Minimum Required Qualifications_** **Clearance:** Must have be able to maintain a Top Secret Level Clearance **Certifications:** Minimum SFPC or equivalent ... Applied Research Systems has an exciting new role for a Senior Security Assistant to provide support to the Command, Control, Communications, and Battle… more
    DirectEmployers Association (12/17/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
    DirectEmployers Association (11/25/25)
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  • Tyto Athene (Ashburn, VA)
    …Architect. + Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Applied Research Solutions (Dayton, OH)
    …developing, and maintaining integrations between cloud-based applications and on-premise systems . You'll work closely with cross-functional teams to ensure seamless ... our awards and recognition program, and personalized attention from ARS Senior Managers. Responsibilities include: + Administer and maintain cloud-hosted application… more
    DirectEmployers Association (12/10/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    …5 years of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a ... SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT… more
    Exeter Government Services, LLC (11/30/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View...hot fixes **Required Skills and Experience:** + Clearance Required: Top Secret + An interim TS ... River, MD SMX is looking for a highly motivated ** Senior Systems Administrator ** with demonstrated...is required to start; will consider upgrading candidate from Secret + BS or BA degree in a Technical… more
    SMX (12/12/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Senior Systems Administrator , Windows Location...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5 ... Foundation Family of Companies (FOCs) is looking for a Senior Windows Systems Administrator Range...investigation level. (Applicants selected either must currently possess a Secret clearance or will be subject to a government… more
    Alaka'ina Foundation Family of Companies (12/15/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * * * **The Opportunity:** CACI is seeking a Senior Systems Administrator to provide... enhancements to improve reliability and performance **Requirements:** + TS /SCI with polygraph clearance + CWIP IAT 3 Certification… more
    CACI International (12/02/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... ** Systems Administrator ** with demonstrated experience to maintain...virtual networking. **Required Skills and Experience:** + Clearance Required: Top Secret + Bachelor's degree in a… more
    SMX (11/14/25)
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