• Senior Network Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **Network Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but ... are not limited to:** + Maintaining the network fabric of the ITD IT system architecture. + Remaining well versed in a multi-vendor environment for layer 2/3… more
    ManTech (12/03/25)
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  • 341 Senior Software Engineer

    ARSIEM (Annapolis Junction, MD)
    …every client you work with. ARSIEM is looking for a highly motivated Senior Software Engineer with proven experience in installing, configuring, developing, and ... integrating prototype applications for technical evaluation. The engineer will be supporting a lab environment providing support for customers developing and testing… more
    ARSIEM (12/19/25)
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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …the ability to obtain and maintain a Counterintelligence (CI) Polygraph . The Senior -level Principal Systems Engineer shall lead a diverse, multi- ... with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our government… more
    V2X (11/15/25)
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  • Electrical Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Electrical Engineer , Senior Key Role: Manage the planning, design, construction and maintenance of physical infrastructure electrical systems . Ensure ... analysis or characterizations, and vulnerability assessments of facility electrical systems + Experience with developing operator interface modules, controls… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Senior Software Engineer

    RTX Corporation (West Valley City, UT)
    …Clearance:** TS/SCI with Polygraph Applied Signal Technology (AST) is seeking a ** Senior Software Engineer ** who strives for excellence and have a passion to ... development of new work products or enhancement of existing applications and systems + Design, code, test, integrate, and document software solutions + Participate… more
    RTX Corporation (10/23/25)
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  • Senior Network Engineer

    SAIC (Fort Meade, MD)
    **Description** SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and ... your career in a dynamic and supportive environment!** A Network Engineer designs solutions, integrates, configures, deploys, tests, and provides ongoing maintenance… more
    SAIC (11/17/25)
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  • Senior Network Tool Operations…

    Leidos (Chantilly, VA)
    …The Digital Modernization Sector at Leidos has an opening for an a Senior Network Tool Operations Engineer to support the Intelligence Sector. **Required ... with vendors when necessary. **Basic Qualifications:** + Required Clearance: TS/SCI with specific polygraph + Candidate must have 16 years of experience that can be… more
    Leidos (12/20/25)
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  • Senior Specialist, Network Plan…

    L3Harris (Broomfield, CO)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Network Plan Engineer Job Code: 31905 Job Location: Boulder/North ... + Routinely perform proof of concepts and service trials while documenting system integration. + Ability to effectively communicate verbally and in writing. +… more
    L3Harris (12/10/25)
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  • Senior Software Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... requirement:** + Candidates must possess an active TS/SCI with polygraph to be considered for this role. **You Might...through emails that are generated by the Leidos.com automated system - never from free commercial services (eg, Gmail,… more
    Leidos (11/27/25)
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  • Senior Software Engineer - CTJ…

    Microsoft Corporation (Redmond, WA)
    **Overview** Come get in on the ground floor of PLx! We are seeking a Senior Software Engineer to join our team! PLx (Protection Level X) is a managed service ... compliance enforcement using PowerShell scripts and Bicep templates. * Ensure systems align with federal security frameworks including DoD STIGs (Security Technical… more
    Microsoft Corporation (01/01/26)
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