• Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Sterling, VA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... team environment (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (09/03/25)
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  • Facilities Engineer

    SAIC (Chantilly, VA)
    …Virginia** . This position requires an t **he ability to obtain a TS / SCI clearance with Polygraph** . SAIC provides full-service facility management support ... operating status, outages; and maintenance activities. **Qualifications** + **Ability to obtain a TS / SCI clearance with CI Poly.** + A Bachelor's degree in an… more
    SAIC (08/27/25)
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  • Systems Development Engineer , Amazon…

    Amazon (Herndon, 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...Routing - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Experience… more
    Amazon (08/27/25)
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  • Systems Engineer

    Leidos (Chantilly, VA)
    …a strong emphasis on security, scalability, and performance. This position requires a TS / SCI with Polygraph and a deep understanding of complex network systems ... **Description** Leidos is seeking a High-Level Network Engineer to join our Infrastructure Team in Chantilly,...systems integration. **Required Qualifications** + Must have an active TS / SCI with Polygraph + Must have a… more
    Leidos (08/16/25)
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  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    …on complex Space Systems acquisition processes. This position requires an **active TS / SCI Clearance with Polygraph** and is located in **Chantilly, VA.** ... validation. + Other duties as specified by the customer. **Qualifications** + **Active TS / SCI clearance with Polygraph.** + Bachelor's degree in STEM (science,… more
    SAIC (08/07/25)
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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, ... * 5+ years of experience; * Written and oral communication skills; * Active TS / SCI clearance; * US Citizenship. Experience considered a plus * Proficiency in… more
    IERUS Technologies, Inc. (08/02/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    Network Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... field or equivalent work experience + 10+ years of related work experience + TS / SCI with Poly + Exceptional organizational skills and attention to detail +… more
    CACI International (07/26/25)
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  • Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    Network Testing Lab Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with ... equipment inventory. + Support the installation and updates of software and firmware on lab devices. + Assist in...experience + 3+ years of work related experience + TS / SCI w/ poly is required + Basic… more
    CACI International (07/25/25)
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  • DevSecOps Engineer

    Lockheed Martin (Herndon, VA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... requirements, use cases, design, coding, documentation and testing * Security\+ Certification * TS / SCI with Poly security clearance required to start **Desired… more
    Lockheed Martin (08/14/25)
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  • Principal/Systems Engineer

    Northrop Grumman (Dulles, VA)
    …with a Master's' in STEM; 0 years of relevant experience with a PhD + ** TS / SCI clearance required at the time of application.** + Proven experience in generating ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description**...of our mission! **We are seeking either a Systems Engineer or Principal Systems Engineer to join… more
    Northrop Grumman (09/25/25)
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