• Principal Data Science

    UKG (Ultimate Kronos Group) (Lowell, MA)
    …in developing and tuning foundational models, deploying and managing RAG pipelines + Data science foundations which include: data preparation, statistical ... We're united by purpose, inspired by you. As a Principal Detection Engineer, you will be part of UKG's...Detection Engineer, you will be part of UKG's Global Security Detection Engineering team. This global team is responsible… more
    UKG (Ultimate Kronos Group) (05/22/25)
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  • Senior Principal . System Administrator,…

    RTX Corporation (Woburn, MA)
    security clearance​ ** Security Clearance:** DoD Clearance: Secret **Senior Principal System Administrator, Storage & Data Protection (P4)** **Raytheon ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (05/17/25)
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  • Principal Specialist System Administrator,…

    RTX Corporation (Woburn, MA)
    security clearance​ ** Security Clearance:** DoD Clearance: Secret ** Principal Specialist System Administrator, Storage & Data Protection (P3)** ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (05/17/25)
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  • Principal Cybersecurity Engineer

    Mercury Systems (Hudson, NH)
    Req. Number 25-361 Job Description Job Summary: The Principal Security Engineer is responsible for implementing, maintaining, monitoring and managing secure ... enhancements to ensure the organization is evolving with the threat landscape. The Principal Security Engineer is expected to contribute to the cybersecurity… more
    Mercury Systems (06/24/25)
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  • Principal Radar Receiver / Exciter…

    RTX Corporation (Andover, 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...of Raytheon products. This position is for a multi-disciplined ** Principal Radar Receiver / Exciter Integration & Test Engineer**… more
    RTX Corporation (06/04/25)
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  • Senior Principal Program Manager

    Mercury Systems (Hudson, NH)
    …and Distribution Line of Business (LOB) in Hudson, NH, seeks a Senior Principal Program Manager to provide leadership across our program portfolio. This high ... budget. This is an exciting role as a Senior Principal Program Manager to join our growing, engaging, and...to challenges. Required Qualification: + Typically requires Bachelor of Science degree in Engineering, Business, Supply Chain or related… more
    Mercury Systems (06/24/25)
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  • Principal Sub-Integrated Product Team (IPT)…

    RTX Corporation (Woburn, MA)
    …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:** DoD Clearance: Secret...safer, more secure world. Raytheon is looking for a Principal Sub-Integrated Product Team (Sub-IPT) Lead for the Upper… more
    RTX Corporation (06/23/25)
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  • Principal Software Infrastructure Engineer

    RTX Corporation (Tewksbury, MA)
    …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:** DoD Clearance: Secret...create a safer, more secure world. We're seeking a Principal Software Engineer to lead the design, development, and… more
    RTX Corporation (06/21/25)
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  • Principal Electrical COTS Computing…

    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...Sensor Controls & Electronics **(SCE)** Department is seeking a Principal Electrical Engineer with strong Commercial-Off-The-Shelf **(COTS)** computing and… more
    RTX Corporation (06/01/25)
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  • Principal RF Design 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...of Raytheon products. We have an opportunity for a ** Principal RF Design Engineer** who is seeking to utilize… more
    RTX Corporation (06/04/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …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:** DoD Clearance: Secret...secure world. Raytheon is looking for a **Radar Senior Principal Systems Engineer** to support the Missile Defense Sensors… more
    RTX Corporation (06/06/25)
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  • RF Engineer, Principal / Microwave

    Lockheed Martin (Chelmsford, MA)
    …and Fire Control's Microwave Center of Excellence is seeking to hire an RF Principal Engineer who will have the opportunity to join a team of highly competent ... RF\. **What You Will Be Doing** In this highly visible role, the RF Principal Engineer will have the opportunity to architect and design Radio Frequency systems and… more
    Lockheed Martin (04/18/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …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...and GhostEye Family of Radars are seeking a **Senior Principal ** **Systems Engineer** to help in the execution of… more
    RTX Corporation (04/30/25)
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  • Principal Product Manager

    Mercury Systems (Hudson, NH)
    …environments. + Familiarity with open architectures and experiences with ruggedized hardware, security and real-time data processing. + US Citizen with active ... Supply Chain). + Familiarity with open architectures and experiences with ruggedized hardware, security and real-time data processing. + A track record of… more
    Mercury Systems (05/21/25)
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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** ** Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of ... Integrated Air & Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer.** IAMDS leads all aspects of Systems Engineering that drive… more
    RTX Corporation (06/18/25)
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  • Principal Manufacturing Engineer

    Mercury Systems (Hudson, NH)
    …leading provider of mission-critical avionics and display system solutions. The principal manufacturing engineer works on behalf of Mercury Systems operations ... with process development and improvement + Analyzing production efficiency data , interpret results, and directing improvement initiatives + Training production… more
    Mercury Systems (06/24/25)
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  • Principal Technician - Infrastructure…

    Capgemini (Burlington, MA)
    **Job Title:** Principal Technician - Infrastructure Automation Engineer **Location** : Burlington, MA **Travel** : 25% **Job description:** Critical Requirement: ... Vault or Secrets Management, PKI and TLS certificates, and other security practices * Experience with artifact management (versioning, delivery, deployment, release… more
    Capgemini (06/14/25)
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  • Sr. Principal Microelectronics Product…

    RTX Corporation (Andover, MA)
    …US citizens are authorized to access information under this program/contract. ** Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything ... Summary:** An exciting opportunity exists at Raytheon for a **_Senior Principal Microelectronics Product Engineer_** to join our process development and integration… more
    RTX Corporation (05/23/25)
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  • Principal IAM Software Engineer

    UKG (Ultimate Kronos Group) (Lowell, MA)
    …, MIS, or equivalent experience. Preferred Qualifications: * Master's degree in computer science , Information Security , or a related field * Experience with ... ensuring compliance with regulations, and managing user access to systems and data . This individual will collaborate with various teams, including IT, cybersecurity,… more
    UKG (Ultimate Kronos Group) (04/10/25)
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  • Principal DevOps Software Engineer

    Applied Materials (Gloucester, MA)
    …you want to work beyond the cutting-edge, continuously pushing the boundaries of science and engineering to make possible the next generations of technology, join us ... installs, so our team also manages installation software and data collection. Looking for an opinionated developer to manage...Server Nice to have Skills: + C++ Encryption / Security Best Practices + Python / Jupyter Notebooks +… more
    Applied Materials (05/10/25)
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