principal mechanical engineer

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10,000 principal mechanical engineer job listings in United States. Find daily updated positions from leading job boards.


  • United States-Oklahoma-Oklahoma City, Oklahoma Northrop Grumman Full-time $84,700 - $158,600 Contract

    RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: SecretTRAVEL: Yes, 25% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive...


  • United States-Maryland-Baltimore, Maryland Northrop Grumman Full-time $98,900 - $148,300 Contract

    RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and...


  • Baltimore, MD, United States Northrop Grumman Full-time

    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and...


  • Oklahoma City, OK, United States Northrop Grumman Full-time

    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and...


  • Honolulu, Hawaii, United States Link Network Full-time

    Company Overview: An established and highly regarded engineering consulting firm is seeking a Principal Mechanical Engineer to join its Honolulu-based team. This organization specializes in high-performance building design across a range of sectors and offers a collaborative environment focused on innovation, technical excellence, and long-term career...


  • Fairfax, Virginia, United States TRIDENT SYSTEMS Full-time $107,000 - $198,000 Contract

    Position Title: Principal Mechanical EngineerRequisition ID: 1790Position Location: Sterling, VAPosition Reports To: Manager, Mechanical EngineeringSupervises Others: NoAt Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to drive innovation and solve complex problems. We foster a...


  • Princeton, California, United States AeroVironment Full-time $147,000 - $224,250 Contract

    Worker TypeRegularJob Description SummaryThe Principal Mechanical Engineer applies engineering techniques to design, install, modify, analyze, repair and test tools, engines, machines and other mechanically functioning equipment. In this role, The Sr. Staff Mechanical Engineer leads in the mechanical design, testing, and production of electrical machines as...


  • United States Naval Nuclear Laboratory Full-time $106,200 - $166,000 Contract

    Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S....


  • Annapolis, Maryland, United States PGS Worldwide Full-time $131 Permanent

    PGS Worldwide is seeking a Principal Mechanical Engineer or Senior Principal Mechanical Engineer in Annapolis, MD for a one year contract-to-hire role supporting a leading aerospace & defense company. This position supports concept development, problem solving, technical planning, design development, and integration and testing of undersea hardware. The...


  • Andover Shattuck, Massachusetts, United States MKS Instruments Full-time $101,000 - $169,000 Contract

    A Day in the Life at MKS: As a Principal Mechanical Engineer at MKS Andover, you will partner with R&D, Engineering, Product management, Applications, and customers to develop and support vacuum valves. You Will Make an Impact By:Designs and analyzes mechanical systems, equipment and packaging pertaining to gas flow control and measurement Initiates...


  • Boston, MA, United States aescape Full-time

    Aescape is a New York-based physical AI and robotics company redefining human recovery through intelligent, precision bodywork, elevating it into a consistent, outcomes-driven practice. Powered by real-time body mapping, advanced robotics, and proprietary software, Aescape delivers deeply personalized bodywork that continuously adapts to the individual. This...


  • Los Angeles, CA, United States K2 Space Corporation Full-time

    Principal Mechanisms Engineer Responsibilities Design and tolerancing. Line‑of‑sight error budgeting and stabilization analysis. Environmental test and qualification plan. Supply chain and high‑volume manufacturing plans. Ground‑ and in‑flight performance validation plans for coarse pointing assemblies supporting large‑aperture (0.1 m‑1 m...


  • Andover, MA, United States mercurysystemscareers Full-time

    Mercury Systems is seeking the best and brightest engineering talent to help us deliver cutting‑edge technology for mission‑critical aerospace and defense applications, advancing innovation where it matters most. In this role, our team is looking for an experienced, motivated engineer eager to make a meaningful impact from day one. As a principal...


  • New Castle, DE, United States tacareers-waters Full-time

    Overview Waters Corporation is always looking to hire outstanding future talent for our company. The Systems and Mechanical Engineering team is looking to hire a Mechanical Engineer of our New Castle office at the TA Instruments business unit. This is a phenomenal opportunity to gain real-world experience while working at the world's leading specialty...


  • Frankfort, KY, United States Oracle Full-time

    Job Description Independently designs and develops mechanical systems including components, enclosures, and packaging, ensuring reliability, performance, and manufacturability. Utilizes advanced computer aided design (CAD) tools to develop 3D models and detailed designs in collaboration with cross‑functional teams. Reviews and evaluates mechanical strength...


  • Tallahassee, FL, United States Oracle Full-time

    Job Description Independently designs and develops mechanical systems including components, enclosures, and packaging, ensuring reliability, performance, and manufacturability. Utilizes advanced computer aided design (CAD) tools to develop 3D models and detailed designs in collaboration with cross‑functional teams. Reviews and evaluates mechanical strength...


  • Melbourne, FL, United States Trident Systems Full-time

    If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process. Principal Mechanical Engineer Full Time Employee Full-Time Melbourne, FL Position Title:Principal Mechanical Engineer Requisition ID: 1885 Position Location:Melbourne, Florida Position Reports...


  • Burlington, MA, Middlesex County, MA; Massachusetts, United States Jobleads-US Full-time

    Description Viken Detection is seeking a highly experienced Principal Mechanical Engineer to provide technical leadership and architectural ownership across our advanced detection and imaging systems. This highest-level individual contributor role sets mechanical design strategy, drives cross-platform alignment, and tackles complex system-level challenges....


  • Lexington, KY, United States Jabil Full-time

    At Jabil (NYSE: JBL), we are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, supply chain, and manufacturing solutions. With 60 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions....


  • Burlington, MA, Middlesex County, MA; Massachusetts, United States Viken Detection Corp. Full-time

    Description Viken Detection is seeking a highly experienced Principal Mechanical Engineer to provide technical leadership and architectural ownership across our advanced detection and imaging systems. This highest-level individual contributor role sets mechanical design strategy, drives cross-platform alignment, and tackles complex system-level challenges....