• Cooling Flow System

    Siemens Energy (Orlando, FL)
    **A Snapshot of Your Day** As Cooling Flow System and Clearance Design Engineer you will work in an international team of engineers on projects to ... Collaboration in the conceptual development of the Secondary Air System and associated gas turbine components + Evaluation of...of heat transfer and fluid mechanics and ideally with cooling air systems and the clearance more
    Siemens Energy (11/11/25)
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  • 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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  • Maintenance Mechanic (Damage Control/Propulsion…

    EPSILON SYSTEMS (Norfolk, VA)
    …Fire Main and components, Co2 fixed and flooding, Main & Secondary drainage systems , Radar cooling water, Bleed air systems , Vacuum Collecting, ... Epsilon Systems Solutions Inc. is seeking a full time...procedures + Experience in the Navy's production shop work flow process + Recent hands on experience with accomplishing… more
    EPSILON SYSTEMS (12/23/25)
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  • Senior Principal Experimental Thermal Engineer

    Northrop Grumman (Baltimore, MD)
    …to Do:** The thermal analysis and design team designs and tests sensor and radar cooling systems across the Mission Systems sector, including the airborne, ... domains, and across a variety of product types ranging from environmental control systems (ECS), sensor and radar cooling solutions, chassis, CCAs, and device… more
    Northrop Grumman (12/19/25)
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  • Associate, Mechanical Systems Engineer…

    L3Harris (Greenville, TX)
    …cyber domains in the interest of national security. Job Title: Assoc, Mechanical Systems Engineer - Aircraft Systems Job Location: Greenville TX Schedule: 9/80 ... Job Description: As a Mechanical Systems Engineer, the job includes developing new aircraft systems or modifying existing aircraft systems to meet customer… more
    L3Harris (12/06/25)
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  • Logistician

    UIC Government Services and the Bowhead Family of Companies (Crane, IN)
    …Logistician will be responsible for fabrication, assembling, installing and maintaining refrigeration, cooling and heating systems as well as their components by ... Must have prior experiencemonitoring, operating, maintaining and troubleshooting electro-mechanical systems interconnected and suppling cooling water to… more
    UIC Government Services and the Bowhead Family of Companies (12/30/25)
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  • Principal Engineer, Systems Controls…

    RTX Corporation (Windsor Locks, CT)
    Clearance :** None/Not Required The Engineer will be part of our System Integration organization, within the Systems Controls group in Windsor Locks, ... management systems . This includes decomposing and negotiating requirements for system components, including the system controller software, to ensure… more
    RTX Corporation (12/18/25)
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  • HVAC Supervisor

    Amentum (Silverdale, WA)
    …that provides training and experience with maintenance, repair and operation of : DDC systems , cooling towers, fan coils systems , closed loop water ... preventative maintenance repairs are completed timely manner and building systems are maintained. Will provide analysis and evaluation for...accurate and reliable * Update and maintain plant and system Mechanical / HVAC drawings * Testing of AC/DC… more
    Amentum (11/07/25)
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  • Sr 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 (12/05/25)
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  • Aegis Spy-1 Radar Transmitter Field Engineer

    RTX Corporation (Chesapeake, VA)
    …+ Experience with electronics, radar systems , tools, test equipment, and cooling systems , including the ability to perform diagnostics and repairs. ... 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 (01/01/26)
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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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  • Senior 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 ... 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 mechanical team uses state-of the-art tools,… more
    RTX Corporation (12/17/25)
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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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  • Sr Manager, Mechanical Engineering (Onsite)

    RTX Corporation (Richardson, TX)
    …and/or airworthiness certification + Hands-on experience in aircraft resident systems modifications (structural, cooling , electrical) + Platform design ... 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 (12/05/25)
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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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  • Principal Mechanical Engineer - Thermal Engineer

    RTX Corporation (Tucson, AZ)
    …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 do is… more
    RTX Corporation (01/08/26)
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  • Senior Program Execution Lead

    RTX Corporation (Tewksbury, MA)
    …RHS is skilled in special test equipment, program trainers, environmental test, 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 (11/07/25)
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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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  • Sr. Manager ERBS Section Leader

    RTX Corporation (Tewksbury, MA)
    …activities with a focus on in-house electro-mechanical packaging, support equipment and liquid cooling systems integration. We strive to minimize cycle times 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 (12/16/25)
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