• Principal Software Engineer - SIGINT…

    Lockheed Martin (Hanover, MD)
    …capabilities to include providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale with processing of ... to add new features * Integrate existing software into new or modified systems or operating environments * Develop simple data queries for existing or proposed… more
    Lockheed Martin (01/08/26)
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  • FAST Labs - Optical Systems Senior…

    BAE Systems (Merrimack, NH)
    …to meet our customers emerging mission needs. EOSS is seeking an experienced Scientist / R&D Systems Engineer to join our team. In this role you will be a ... in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role,...position level and/or job specifics. **FAST Labs - Optical Systems Senior Principal Scientist** **119396BR** EEO Career… more
    BAE Systems (12/19/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …Post Road Building 1, Marlborough, MA, 01752 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to ... design, development, production, and research. ME strives to minimize total systems cost, while maximizing production. This is achieved through commitment, training… more
    RTX Corporation (11/25/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Fullerton, CA)
    …Hughes Drive Building 675, Fullerton, CA, 92834 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to ... of multiple defense products including radars, missiles, command and control systems , and naval electronics. The products support US Government and international… more
    RTX Corporation (01/14/26)
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  • Principal Project Engineer (Hybrid)

    RTX Corporation (Rockford, IL)
    …flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in-flight experience through reliable cabin pressure ... are working in Hybrid roles will work regularly both onsite and offsite. Ratio of time working onsite... onsite and offsite. Ratio of time working onsite will be determined in partnership with your leader.… more
    RTX Corporation (01/14/26)
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  • Principal Manufacturing Engineer

    Olympus Corporation of the Americas (Brooklyn Park, MN)
    **Working Location:** **MINNESOTA, BROOKLYN PARK** **Workplace Flexibility:** ** Onsite ** **_For more than 100 years, Olympus has focused on making people's lives ... + Drive system changes (GWIs, GSOP forms) and business systems (Line Balance, work content tools) + Lead development...culture that supports an employee centric mindset + Offers onsite , hybrid and field work environments + Paid volunteering… more
    Olympus Corporation of the Americas (11/08/25)
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  • Senior Principal Research Engineer

    RTX Corporation (Cambridge, MA)
    …RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It ... comprises three industry-leading businesses - Collins Aerospace Systems , Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the… more
    RTX Corporation (01/17/26)
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  • Principal UX Design Engineer

    Microsoft Corporation (Redmond, WA)
    …evolves from a one-way act of writing instructions into a dialogue with agentic systems , we see new possibilities for how software can be built, deployed, and ... AI with trust, speed, and joy. This role is onsite , 3 days per week in Redmond, WA. **Responsibilities**...not overwhelmed. + Elevate craft: Champion design excellence through systems thinking, interaction detail, and thoughtful use of emerging… more
    Microsoft Corporation (01/18/26)
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  • Principal Sensor Engineer

    The MITRE Corporation (Mclean, VA)
    …Summary: MITRE's Sensors, Electromagnetics and EW Department-within MITRE Labs' Electronic Systems and Technologies Innovation Center is a broad and experienced team ... challenges and capability gaps for both fielded and developmental systems + Develop and utilize code (MATLAB, Python) for...$173,200 - $216,500 - $259,800 Annual Work Location Type: Onsite It is unlawful in Massachusetts to require or… more
    The MITRE Corporation (01/17/26)
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  • Principal Engineer , Test…

    RTX Corporation (Andover, MA)
    …354 Lowell Street Suffolk, Andover, MA, 01810 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and ... downtime. + **Scalable Test Environments** : Develop robust, scalable test systems , collaborating with test equipment maintenance and engineering teams to ensure… more
    RTX Corporation (01/07/26)
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