• Principal Mechanical Air-Cooling…

    Amazon (Herndon, VA)
    …generation of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure ... evaporative cooling solutions and advanced chiller plants, managing facility thermal loads exceeding 100MW+ while achieving mechanical ...global knowledge base A day in the life A Principal , Mechanical Engineer for Air-Cooled… more
    Amazon (10/26/25)
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  • Principal Mechanical Air-Cooling…

    Amazon (Herndon, VA)
    …generation of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure ... multi-stakeholder feedback Contribute to industry advancement A day in the life A Principal , Mechanical Engineer for Air-Cooled Solutions works closely with… more
    Amazon (10/24/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …team and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team… more
    MPR Associates (09/26/25)
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  • Lead/ Principal ASME Codes and Standards…

    MPR Associates (Alexandria, VA)
    …seeking a capable and motivated Lead/ Principal ASME (American Society of Mechanical Engineers) Codes and Standards Engineer to join our team. If you ... solutions applicable from conceptual design to full qualification. Duties/Responsibilities The Lead/ Principal ASME Codes and Standards Engineer will: + Plan,… more
    MPR Associates (10/30/25)
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  • Principal Hardware Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    ** Principal Hardware Engineer ** Curtiss Wright is seeking an experienced ** Principal Hardware Engineer ** to join our Defense Solutions Group. This role ... The ideal candidate brings deep expertise in electronic components, integrated circuitry, mechanical systems, and DSP systems, and has a proven track record of… more
    Curtiss-Wright Corporation (11/15/25)
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  • Sr. Principal Manufacturing Engineer…

    Northrop Grumman (Dulles, VA)
    …roles in a fast-paced manufacturingenvironment ​ \#NOVASPACE **Basic Qualifications:** + Sr. Principal Manufacturing Engineer - Bachelor's degree or higher in ... mechanical assembly, epoxy dispensing and curing, conformal coating, thermal interface material dispense/application, Automated Optical Inspection, component/assemblytest, etc.… more
    Northrop Grumman (10/15/25)
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  • Principal Optical System Architect (Remote)

    TE Connectivity (VA)
    …ML, and hyperscale workloads. + Architect CPO/NPO systems across optical, electrical, thermal , and mechanical domains. + Conduct end-to-end simulations and ... Principal Optical System Architect (Remote) At TE, you...faster, more connected world. As the R&D Product Development Engineer - Optical System Architect (SA), you will drive… more
    TE Connectivity (10/07/25)
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  • eCad Electrical Engineer - Level 4

    Northrop Grumman (Dulles, VA)
    …and mechanical engineer to ensure layout meets electrical, mechanical , and thermal constraints. + Implement high-speed routing techniques including ... systems as part of Northrop Grumman's Tactical Space Division. We are seeking a Sr. Principal ECAD Engineer specializing in PCB layout design to join our growing… more
    Northrop Grumman (09/23/25)
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