• Systems Engineer

    William C Brown Inc (Springfield, VA)
    …or work/military experience QUALIFICATIONS:5+ years of related systems engineering experienceActive TS / SCI clearance required and eligibility to obtain a poly ... Systems Engineer EOE Statement We are an equal employment...Springfield Full-Time/Part-Time Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance and eligibility to… more
    William C Brown Inc (08/27/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: Platform/Infrastructure Engineer Location: Sterling, VA Clearance: TS / SCI Poly ... **This position is CONTINGENT upon contract award** The Platform/Infrastructure Engineer (PIE) designs, builds, and maintains the platforms that Mission Partner… more
    Nightwing (09/26/25)
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  • Infrastructure Engineering Lead

    CACI International (Sterling, VA)
    …and customers to understand and shape strategic objectives **Qualifications:** _Required:_ + Active Top Secret security clearance, SCI eligible + Bachelor's ... * * * **The Opportunity:** CACI seeks a cleared engineer to lead the DevOps team for a program...configuration management and version control practices. _Desired:_ + Active Top Secret / SCI clearance… more
    CACI International (11/14/25)
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  • Software Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    Software Engineer Location: Chantilly, VA, US Job ID: ATR...an opportunity to join a team of highly skilled TS / SCI professionals who are working on cutting ... - Expertise in signal processing or real-time, streaming data processing. - Active TS / SCI Security Clearance Bonus Skills: - Knowledge of communication system… more
    Arena Technical Resources, LLC (11/15/25)
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  • Cyber Security Project Engineer

    SAIC (Chantilly, VA)
    …technologies. This position is located in **Chantilly, VA** and requires an **active TS / SCI clearance with Polygraph** . Job responsibilities include, but are ... **Description** SAIC is seeking a **Cyber Security Project Engineer ** to support a diverse set of corporate...and mitigations to enhance security posture. **Qualifications** + **Active TS / SCI with polygraph.** + Bachelors and 14… more
    SAIC (11/14/25)
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  • CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is ... Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual...education option. + Active and transferable US government issued TS / SCI security clearance is required prior to… more
    RTX Corporation (11/13/25)
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  • Amazon Dedicated Cloud Engineer , Platform…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...(TCP/IP) - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - 3+… more
    Amazon (11/13/25)
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  • Cloud Solutions Engineer

    Tetrad Digital Integrity LLC (Alexandria, VA)
    …increasing threats and vulnerabilities in this digital age. We are looking for a Cloud Solutions Engineer with at TS / SCI with CI Polygraph to support our DoD ... + Provide technical expertise for cloud strategy and architecture decisions. QUALIFICATIONS: + TS / SCI clearance W/ CI Poly with 3+ years of experience with… more
    Tetrad Digital Integrity LLC (11/04/25)
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  • Radar Engineer

    IERUS Technologies, Inc. (Chantilly, VA)
    …signal processing (DSP); * Programming (MatLab, Python, C, or similar); * Active TS / SCI clearance. Required * Bachelor's degree (or higher) in Engineering, ... . Description IERUS Technologies, Inc., is seeking a Radar Engineer to join a diverse and flexible team. The...experience; * Written and oral communication skills; * Active TS / SCI clearance; * US Citizenship. Experience considered… more
    IERUS Technologies, Inc. (11/01/25)
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  • Software Developer / Engineer

    CACI International (Sterling, VA)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: None Type of ... Sterling, VA or Aurora, CO * Clearance: Must have TS / SCI with poly (or be willing to...* Experience with Web/Front End * Experience developing within Linux environment. * Experience with containers or microservice architecture.… more
    CACI International (10/21/25)
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