• AeroVironment (Arlington, VA)
    …depth and breadth while supporting high-impact missions and advancing toward more senior network and solution engineering roles. **Position Responsibilities:** + ... **Job Summary:** The primary role of the Linux System Administrator is to support the full life-cycle management of...level clearance. Candidate must be willing to process for TOP SECRET clearance. A TOP more
    DirectEmployers Association (12/24/25)
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  • Tyto Athene (Wright Patterson AFB, OH)
    …Tyto Athene is searching for a detail-oriented and proactive mid level **System Administrator ** to join our team. The ideal candidate will have 3-5 years of ... **Responsibilities:** + Install, configure, and maintain hardware, software, and network systems. + Monitor system performance, troubleshoot issues, and apply… more
    DirectEmployers Association (01/03/26)
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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 ... Research Systems has an exciting new role for a Senior Security Assistant to provide support to the Command,...an integrated Department of the Air Force (DAF) Battle Network providing resilient decision advantage and enabling the USAF,… more
    DirectEmployers Association (12/17/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …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 broad ... scope of responsibilities, including network infrastructure management (switch deployment & configuration) and system... engineering, administration, or related IT roles. + Clearance: TS /SCI, CI Poly + Required Skills: + Experience with… more
    DirectEmployers Association (11/25/25)
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  • Tyto Athene (Ashburn, VA)
    …with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and ... **Qualifications** **Required:** + Minimum 5 years' experience as a senior Splunk Administrator or Architect. + Strong...- GIAC Reverse Engineering Malware + GNFA - GIAC Network Forensic Analyst **Location:** + Ashburn, VA **Clearance:** +… more
    DirectEmployers Association (11/01/25)
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  • Senior Network Administrator

    ManTech (Key West, FL)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Network Administrator ** to join our team in **Key West, FL** . **Responsibilities ... include but are not limited to:** + The Senior Network Administrator leads the...clearance and be eligible to obtain and maintain a Top Secret /SCI Clearance. **Physical Requirements:** + Must… more
    ManTech (12/30/25)
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  • Senior Network Administrator

    Fluor (Las Cruces, NM)
    …an active (or ability to obtain) TS /SCI with Polygraph Clearance The Senior Network Administrator has advanced knowledge within designated Information ... the design, development, implementation and integration of IT solutions. The Network Administrator analyzes, evaluates, and recommends innovative solutions.… more
    Fluor (12/31/25)
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  • Senior Network Administrator

    SOS International LLC (Pearl Harbor, HI)
    …. Power the Mission. Join SOSi in Honolulu.** SOSi is on the hunt for a ** Senior Network Administrator ** to join our elite team at **Joint Base Pearl ... Harbor, HI, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989,...is your next move. Essential Job Duties As a Senior Network Administrator at SOSi,… more
    SOS International LLC (11/21/25)
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  • Senior Network Administrator

    KBR (Honolulu County, HI)
    Title: Senior Network Administrator Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of… more
    KBR (11/27/25)
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  • Senior Systems / Network

    Leidos (Quantico, VA)
    **Description** Leidos has an immediate opening for a Senior Systems / Network Administrator to support critical SMIT contract initiatives based in Quantico, ... the largest IT services program for the Navy. The Senior Systems / Network Administrator ...of degree. + US Citizen with an active DOD Top Secret clearance + Ten (10) years… more
    Leidos (01/06/26)
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  • Network Administrator

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Network Administrator , Senior Analyst (P2)** ** Senior Analyst, ... secure world. Join this high impact team as a Network Administrator (P2) to ensure the smooth...compliance, and network refreshes + Current DoD Top Secret level security clearance **What We… more
    RTX Corporation (12/05/25)
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  • Mid System/ Network Administrator

    Belay Technologies (Laurel, MD)
    …runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/ Network Administrator . The Systems Administrator (SA) provides ... for a bachelor's degree + TS /SCI with poly The Level 2 System/ Network Administrator shall possess the following capabilities: + Experience with MIM and… more
    Belay Technologies (12/08/25)
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  • Senior CMDB Administrator

    Chenega Corporation (Springfield, VA)
    Senior CMDB Administrator Springfield, VA Join our Talent Network Senior CMDB Administrator Springfield, VA Chenega Agile Real-Time Solutions (CARS) ... and take your career to the next level! The Senior CMDB Administrator is responsible for the...6 months + ITIL Foundations Certification desired + Active TS /SCI clearance Knowledge, Skills and Abilities: + Ability to… more
    Chenega Corporation (10/14/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …+ The Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator , Network Engineer as well as the IT team to ... integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows...required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to… more
    V2X (11/15/25)
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  • Sr. Principal Network Engineer - Top

    Northrop Grumman (Redondo Beach, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced ** Senior ** ** Network Administrator ** to join its dynamic team of ... (routers, switches, and firewalls) **Preferred Qualifications:** + Bachelor's degree Network Engineering + Active Top Secret...+ Bachelor's degree Network Engineering + Active Top Secret /SCI, Polygraph, or SAP/SAR access would… more
    Northrop Grumman (11/19/25)
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  • G2 Directory Services Engineer / Senior

    General Dynamics Information Technology (Fairfax, VA)
    Senior Systems Administrator ** must have: + **Security Clearance Level:** Active Top Secret clearance. (A Secret clearance with completed T5 ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Network Engineer - Top

    Cambridge International Systems Inc (Charleston, SC)
    Senior Network Engineer - Top Secret Clearance | Charleston, SC Cambridge International Systems, Inc. Join a dynamic global team united by shared values: ... in defense and security. We are currently seeking a Senior Network Engineer to support operations in...is a full-time CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (12/18/25)
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  • Senior Systems Administrator

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Windows Systems Administrator Range Network . The position ... Senior Systems Administrator , Windows Location HI -...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with T5… more
    Alaka'ina Foundation Family of Companies (12/15/25)
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  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network . The position ... Senior Systems Administrator (Linux) Location HI...AND CLEARANCE: + Must be a US Citizen + Top Secret security clearance is required with...Must be a US Citizen + Top Secret security clearance is required with T5 or equivalent… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Systems Administrator Senior (Vdi)…

    General Dynamics Information Technology (Savannah, GA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Administrator Senior (VDI) - TS /SCI required** Make meaningful ... RQ208380 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (01/05/26)
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