• Staff Software Engineer - Java, AWS, TCS…

    Zscaler (Mclean, VA)
    …RDS, DynamoDB, and messaging systems like Kafka or SQS + US citizenship with active US Top Secret /SCI security clearance **What Will Make You Stand Out ... cloud-first strategy. We're looking for an experienced Staff Software Engineer to join our IT Cloud Engineering team. **This...join our IT Cloud Engineering team. **This role requires Top Secret Security Clearance, which must be… more
    Zscaler (01/14/26)
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  • Associate Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …and cybersecurity domains. Job Description: This is an opportunity for an Associate Systems Engineer with an interest in advancing and applying innovative ... and make a difference with us. Department Summary: MITRE's Systems Engineering Analytics Department is charged to solve some...year from the date of hire, the following clearance(s): Top Secret /SCI Salary compensation range and midpoint:… more
    The MITRE Corporation (01/09/26)
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  • Ground Systems Engineer

    Noblis (Chantilly, VA)
    …and continuous improvement in software design and architecture. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) ... Responsibilities Noblis ESI is seeking an experienced **Ground Systems Engineer ** to work on complex projects crucial to our national security objectives. The… more
    Noblis (12/24/25)
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  • Enterprise Systems Engineer

    Noblis (Chantilly, VA)
    …mission partners and other DoD/IC customers Required Qualifications + Must have an active Top Secret /SCI clearance with a Counter-Intelligence Polygraph + ... Responsibilities Noblis ESI is seeking an **Enterprise Systems Engineer ** with a national space enterprise and ground systems engineering background to work… more
    Noblis (12/19/25)
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  • Acquisition Systems Engineer

    SAIC (Chantilly, VA)
    …0 years related experience. Relevant experience to be substituted in lieu of degree. + ** Active Top Secret /SCI with Polygraph.** + **3+ years of government ... **Description** SAIC is seeking an **Acquisition System Engineer ** to fill a critical position on SAIC's...Directorate (GED), which is responsible for the acquisition of systems over the complete end-to-end life cycle. The rapidly… more
    SAIC (12/23/25)
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  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    …years related experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI clearance with Poly. + Experience with ... **Description** SAIC is seeking an **SIGINT Systems Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA… more
    SAIC (11/21/25)
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  • Field Service Engineer (Onsite)

    RTX Corporation (Richmond, VA)
    …the full contract period. + Active and transferable US government issued Top Secret security clearance is required prior to start date. **Preferred ... as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current Raytheon Company Managed by Collins Aerospace Collins… more
    RTX Corporation (01/13/26)
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  • Hypersonic Senior Systems Engineer

    Leidos (Arlington, VA)
    …execution + Range safety analysis + Payload integration Clearance: Must be a US Citizen. Active Secret clearance required, Top Secret preferred. Desired ... Electronic Warfare Division has an opening for an experienced Hypersonic Systems Engineer . Leidos is looking for experienced engineers with a Hypersonics… more
    Leidos (12/20/25)
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  • Systems Engineer (Aoco)

    Noblis (Chantilly, VA)
    …and team to integrate tactical and national capabilities. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. ... Noblis ESI is seeking an experienced All-Domain Overhead Cooperative Operations (AOCO) Systems Engineer to support our government client on-site in Chantilly,… more
    Noblis (12/17/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …aligned to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret /SCI clearance with Poly. + Bachelors ... ensuring you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program staff… more
    Sciolex Corporation (01/07/26)
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