• Senior Systems Engineer

    Leonardo DRS, Inc. (Fitchburg, MA)
    …for propulsion motors, turbines, generators, test cells, and other cooling circuits + Hydraulic systems + Other fluid / gas flow systems + Experience in ... position includes substantive contribution to planning and technical execution of large system integration projects, primarily with steam turbine systems . The… more
    Leonardo DRS, Inc. (01/01/26)
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  • Principal Program Execution Lead

    RTX Corporation (Tewksbury, MA)
    …test services. ERBS is skilled in special test equipment, program trainers, and cooling systems mechanical design. We utilize Creo and Common Product Data ... with a focus on in-house electro-mechanical packaging, support equipment and liquid cooling systems integration, and partner with outside suppliers to satisfy… more
    RTX Corporation (01/14/26)
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  • HVAC Mechanic - 1st Shift

    RTX Corporation (Marlborough, MA)
    …pumps, motors, belts, pulleys, shives, bearings, air filters, compressors, valves, split systems , cooling towers, humidity controls, DDC and pneumatic controls, ... Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (11/26/25)
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  • ADGE Sr Principal Mech Engineer (On-Site)

    RTX Corporation (Tewksbury, MA)
    …end-item development, vendor coordination, and the integration of power and cooling systems . Support ongoing sustainment of existing product lines.** ... Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (12/24/25)
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  • Sr Principal Mechanical Engineer Lead

    RTX Corporation (Tewksbury, MA)
    …integration, end-item development, vendor coordination, and the integration of power and cooling systems . Support ongoing sustainment of existing product lines. ... to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only...development and production of radar, sonar, torpedo, and combat system equipment. The ME Team uses state-of the-art tools,… more
    RTX Corporation (10/22/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …phased array radar systems , electronic modules, pedestals, and power and cooling systems . The department comprises individuals with technical expertise and ... Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (11/13/25)
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  • Senior Principal Mechanical Design Engineer

    RTX Corporation (Tewksbury, MA)
    systems , hardware integration, and electronic modules, pedestal and power and cooling systems . The department is comprised of individuals with technical ... or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required,… more
    RTX Corporation (11/06/25)
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  • Senior Mechanical Packaging Engineer

    RTX Corporation (Marlborough, MA)
    …phased array radar systems , electronic modules, pedestals, and power and cooling systems . The department comprises individuals with technical expertise and ... to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only...development and production of radar, sonar, torpedo, and combat system equipment. The team uses state-of the-art tools, processes,… more
    RTX Corporation (12/17/25)
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  • Senior Steam Turbine Aerodynamic Engineer

    Leonardo DRS, Inc. (Fitchburg, MA)
    …Aptitude to Grow + Ability to execute CFD analysis for other compressible fluid flow applications (eg, cooling air within generators, motors, and other rotating ... **Job ID:** **112499** The Leonardo DRS Naval Power Systems business is a trusted provider of innovative...the subject matter expert for aerodynamic design of the flow paths for steam turbines. Influence the shaping of… more
    Leonardo DRS, Inc. (01/01/26)
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  • Thermal Analyst II

    RTX Corporation (Marlborough, MA)
    …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 :...of professional experience in the thermal analysis of complex systems that require collaboration across multiple engineering disciplines +… more
    RTX Corporation (01/14/26)
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