• Reliability Engineer

    Amentum (Mclean, VA)
    …test, installation, operation, and maintenance of diverse electronic/mechanical equipment and systems . The Reliability Engineer will act generally as a ... **Purpose/Scope** Amentum is looking for a Reliability Engineer to perform a variety of engineering assignments...Position requires the ability to obtain and maintain a TS / SCI clearance with polygraph. **Work Environment** Most… more
    Amentum (11/14/25)
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  • Senior Software Engineer

    ManTech (Alexandria, VA)
    …a team-oriented environment. **Clearance Requirements:** + Must possess a current and active TS / SCI **Physical Requirements:** + The person in this position must ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Software Engineer ** to join our team in **Alexandria, VA** . As part of the position, you will… more
    ManTech (10/16/25)
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  • Network Engineer /Architect SME

    Leidos (Fort Belvoir, VA)
    …building new solutions and perfecting them. **Clearance Requirement:** + Active DoD TS / SCI **Primary Responsibilities** + Plan and design secure network ... **Description** Leidos is seeking a **Network Engineer /Architect with subject matter expertise** to support large-scale migration and operations on a large,… more
    Leidos (10/11/25)
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  • Unified Communications Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Location: Springfield, VA (also St. Louis, MO) Eligibility: Candidates must possess an active TS / SCI and be willing to obtain a CI Poly Job Description: ... Unified Communications Engineer Location: Springfield, VA, US Job ID: ATR...customer management staff and management to coordinate and implement system level changes and activities, demonstrating the ability to… more
    Arena Technical Resources, LLC (10/29/25)
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  • Senior Cyber Test Engineer (Onsite)

    Nightwing (Sterling, VA)
    …in networking and familiarity with Agile methodologies is preferred. **Required Qualifications** + TS / SCI Clearance is required + 5 years test engineering or ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (10/18/25)
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  • DevOps Engineer

    Leidos (Chantilly, VA)
    …to be on-call 1 full calendar week every 2 months. Required Qualifications: * Active TS / SCI with Polygraph * BA/BS Degree with 6+ years of relevant experience. ... **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program...program, you will have the opportunity to build strong systems and software utilizing cloud capabilities to support a… more
    Leidos (09/26/25)
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  • Software Engineer

    Acclaim Technical Services (Reston, VA)
    …among DC area firms and continues to grow. We are actively hiring a Software Engineer with TS / SCI clearance and polygraph supporting a new contract recently ... processing systems . They determine computer user needs. They analyze system capabilities to resolve problems on program intent, output requirements, input data… more
    Acclaim Technical Services (11/18/25)
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  • Defense Mission Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Langley, VA)
    …MATLAB, STK, Model Center , or Team Center + Experience analyzing and translating system requirements into design + Knowledge of Systems Machine Learning ( SysML ... government and other stakeholders to implement recommended solutions + TS / SCI clearance + Master's degree...need to meet eligibility requirements for access to classified information ; Secret clearance is required. Compensation… more
    BOOZ, ALLEN & HAMILTON, INC. (11/04/25)
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  • Software Test Engineer

    Cinteot (Herndon, VA)
    …Science, Systems Engineering, Electrical Engineering, Computer Engineering, Physics, Information Technology, Management Information Systems , Cyber ... Software Test Engineer Location - Herndon, VA Job Description: With...must be a US Citizen for consideration. Clearance Level: TS / SCI with adjudicated CI Poly required prior… more
    Cinteot (11/06/25)
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  • Electronics Technician 3

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TOP SECRET Clearance with the ability to ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...obtain a TS / SCI w/ Polygraph is REQUIRED** **Education:** + HS diploma… more
    M. C. Dean (10/23/25)
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