• 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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  • Principal Radar Receiver / Exciter…

    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. 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 Thermal Analyst

    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 At Raytheon, the foundation of everything we… more
    RTX Corporation (07/18/25)
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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 FRACAS Engineer

    RTX Corporation (Woburn, 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...Safety, and Supportability. **What You Will Do:** As a ** Principal ** **Failure Reporting, Analysis, and Corrective Action System (FRACAS)… more
    RTX Corporation (07/11/25)
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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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  • Principal S/w Configuration Management…

    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 At Raytheon, the foundation of everything we… more
    RTX Corporation (07/19/25)
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  • Senior 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...Raytheon products. We have an opportunity for a **Senior Principal RF Design Engineer** who is seeking to utilize… more
    RTX Corporation (06/04/25)
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  • 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:** DoD Clearance: Secret...& Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer.** IAMDS leads all aspects of Systems… more
    RTX Corporation (06/26/25)
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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 Network Engineer - Full-time…

    BAE Systems (Manchester, NH)
    …in Software Defined Networking (SDN) via automation to support growing IT and Data Center service needs. You will be working on addressing existing problems with ... group and work in a cross-capability team including Core Services, DevOps, Security , and IT Operations to achieve your project objectives. At BAE Systems,… more
    BAE Systems (05/07/25)
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  • Principal Engineer - Silicon One Software

    Cisco (Boxborough, MA)
    Principal Engineer - Silicon One Software Apply (https://jobs.cisco.com/jobs/Login?projectId=1443934) + Location:Offsite, Boxborough, Massachusetts, US + Alternate ... reliability, and ease of use. **Minimum Qualifications** + Masters degree in science , computer, electrical engineering, or related field; or 14+ years of experience… more
    Cisco (07/18/25)
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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 Digital Factory Developer IV

    RTX Corporation (Andover, MA)
    data and data mining + Experience in distributed controls, cyber security , IT infrastructure integration or other related fields + Experience working in a ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...the SDF&A products in the manufacturing factory while supporting data analytics and data visualization efforts. The… more
    RTX Corporation (07/03/25)
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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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  • 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) (07/10/25)
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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 ... responsible for statistical and numerical analysis of radar performance data + You will be responsible for analysis tool...You Must Have:** + Typically requires a Bachelor's in Science , Technology, Engineering, or Mathematics (STEM) and 8 years… more
    RTX Corporation (06/03/25)
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