• C2BMC Principal Systems Engineer

    Parsons Corporation (Schriever AFB, CO)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented **C2BMC Principal Systems Engineer** to join our team! In this role you will get ... Desired Skills You'll Bring:** + Experience with Missile Defense Agency preferred ** Security Clearance Requirement:** An active Secret security clearance is… more
    Parsons Corporation (10/15/25)
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  • Senior Principal Software Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...Engineering Department has an opportunity for a talented **Senior Principal Software Engineer** to join our team. **What You… more
    RTX Corporation (10/05/25)
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  • RF Antenna Design Engineer, Principal

    Lockheed Martin (Chelmsford, MA)
    …power industry and the military's green power initiatives\. MFC has seven principal product categories that correspond to the vital capabilities it provides our ... AL; and Chelmsford, MA\. Candidates may be subject to a government security investigation and must meet eligibility requirements for access to classified… more
    Lockheed Martin (10/04/25)
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  • Principal Financial Analyst

    RTX Corporation (Mckinney, TX)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...Products and Solutions (APS) business unit is looking for Principal Financial Analyst (P3) to support the Business Management… more
    RTX Corporation (10/02/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current **Raytheon Company, Managed by Collins Aerospace**… more
    RTX Corporation (10/01/25)
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  • Principal Mechanical CADD Engineer

    RTX Corporation (Tewksbury, MA)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...production support. We have an opportunity for an experienced Principal Mechanical CADD Engineer to support our radar development… more
    RTX Corporation (09/30/25)
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  • Principal Architect - Information…

    United Airlines (Denver, CO)
    …us to create what's next. Let's define tomorrow, together. **Description** The Principal Architect will be responsible for leading the architectural design and ... solutions that meet operational requirements, such as scalability, maintainability, security , reliability, extensibility, flexibility, availability, and manageability + Implement… more
    United Airlines (12/24/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... defining possible? **Northrop Grumman Mission Systems** is seeking a ** Principal Software Engineer (T03)** to join our team! This...minimum of 7 years of experience. + Active Secret security clearance required. Active Secret clearance must be in… more
    Northrop Grumman (12/23/25)
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  • Principal Machine Learning Engineer

    Zscaler (San Jose, CA)
    …shape the future of cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than ... has made us and our multitenant architecture today's cloud security leader, with more than 65 million users in...agility with a cloud-first strategy. We're hiring a talented Principal Machine Learning Engineer to join our growing ML/AI… more
    Zscaler (12/23/25)
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  • Principal System Engineer/Program Portfolio…

    KBR (Chevy Chase, MD)
    Title: Principal System Engineer/Program Portfolio Manager Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...the country's most critical role - protecting our national security . Why Join Us? + Innovative Projects: KBR's work… more
    KBR (12/20/25)
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