• Network Engineer Tier 3

    CACI International (Chantilly, VA)
    …applications are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's ... Network Engineer Tier 3 Job Category:...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (07/26/25)
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  • Senior Network Engineer…

    Leidos (Chantilly, VA)
    **Description** Seeking an experienced professional for a ** Senior Network Engineer ** to support mission-critical projects in a secure environment. The ideal ... candidate will have extensive experience in network administration, operations, and maintenance of complex ...Bash). **Required Qualifications:** + US Citizen with an active TS /SCI clearance with Polygraph. + Bachelor's degree in Information… more
    Leidos (09/14/25)
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  • Sr . O&M Network Engineer

    Leidos (Chantilly, VA)
    **Description** The Digital Modernization Sector at Leidos is seeking a Tier III O&M Network Engineer to support the customer's various wide area networks (WANs) ... multiple vendors. The job duties of Tier III O&M Network Engineer are as follows: + Tier...and applications is a plus. Requirements + Required Clearance: TS /SCI and Poly + Candidate must have 16 years… more
    Leidos (09/02/25)
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  • Sr Principal Network Engineer

    Northrop Grumman (Fairfax, VA)
    …a part of our mission! Northrop Grumman Space Systems (NGSP) seeks to fill a ** Senior Principal Network Engineer ** in the Payload and Ground Systems Division ... VA** In this role, the successful candidate will design and plan network communication systems and provide specifications and detailed schematics for network… more
    Northrop Grumman (08/31/25)
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  • Senior Network Engineer

    CACI International (Herndon, VA)
    Senior Network Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... * * * **The Opportunity:** CACI is seeking a ** Senior Network Engineer ** to lead...related field. Equivalent experience may be substituted. + Active TS /SCI w/poly required + Excellent oral and written communication… more
    CACI International (09/25/25)
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  • Senior Network Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Network Engineer , you...High School/Diploma with 14 years of experience, + Active Top Secret ( TS ) clearance with ... and provide necessary technical documentation while supporting the multi-enclave environment (Unclassified, Secret , and Top Secret ) that enables users to… more
    Noblis (09/03/25)
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  • Rapid Response Senior Network…

    TekSynap (Arlington, VA)
    …possess a Top Secret /SCI clearance **Overview** We are seeking a Rapid Response Sr . Network Engineer to join our team supporting DISA JSP ETM in ... + Certifications: + At least one nationally recognized certification for senior network administrators/engineers/architects tied to the proposed solution's… more
    TekSynap (07/09/25)
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  • Senior Network Engineer

    ManTech (Chantilly, VA)
    ManTech seeks a motivated, career and customer-oriented ** Senior Network Engineer ** to join our team in **Chantilly, VA** . This is a position requiring ... network objects, isolation, and micro-segmentation. **Clearance Requirements:** + TS /SCI with the ability to obtain a CI polygraph. **Physical Requirements:**… more
    ManTech (09/27/25)
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  • Mid- Senior Network Engineer

    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
    Infinity Systems Engineering (09/30/25)
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  • O&M Network Engineer 4 (Tech…

    M. C. Dean (Springfield, VA)
    …strategies and objectives throughout the typical IT project lifecycle. The O&M Network Engineer is responsible to refining requirements, development and revising ... eligibility requirements, including US Citizenship, for access to classified information; ** Top Secret with SCI eligibility required** **Position / Candidate… more
    M. C. Dean (09/16/25)
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