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Job Description Principal Engineer, Mechanical (San Clemente, CA) Responsibilities Applies scientific principles to generate new concepts and demonstrate proof of principle via design analysis and prototypes to for the new medical devices design and various complex problems. Apply medical device Design Control procedures to successfully develop concepts into products and provide engineering deliverables for all phases (concept, definition, development, qualification and launch) of the Product

Full-time

USD 137,280.00 - 165,000.00 per year

Principal Mechanical Engineer

River Hills, Wisconsin

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9d ago

Principal Mechanical Engineer Job Summary: Talent Software Services is in search of a Senior Supplier Engineerfora contract position in Arden Hills, MN. The opportunity will be for one year with a strong chance for a long-term extension. Position Summary: We are seeking a professional to join our Refrigeration Controls Product Engineering team. This role emphasizes mechanical design, drawing development, product validation, and quality-driven engineering practices. The ideal candidate will bri

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Contract

$50 - $55

Principal Mechanical Engineer

Santa Clara, California

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2d ago

Only local San Francisco Bay Area candidates! Direct W2 contractors only! No 3rd party agencies! No Visa Sponsorship available. Start date: Mid March, 2026 Job Posting TitlePrincipal Mechanical Engineer , Early Research and Development Our Systems Technology Group, a part of clients Sequencing Solutions, is focused on creating and advancing technologies to significantly enhance DNA sequencing workflows. We are seeking a Principal Mechanical Engineer to lead the mechanical design, development,

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Contract

$85 - $92

Principal Mechanical Engineer

Santa Clara, California

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2d ago

Easy Apply

Contract

$85 - $92

Principal Mechanical Engineer

Springfield, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Principal Mechanical Engineer (Starship)

Texas

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Today

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL MECHANICAL ENGINEER (STARSHIP) RESPONSIBILITIES: Troubleshooting and maintenance: Investigate and resolve technical issues related to crane operation and maintenance, and provide recommendations for improveme

Full-time

Principal Thermal/Mechanical Engineer

Naperville, Illinois

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Today

Nalco Water, an Ecolab Company, is seeking a talented scientist with expertise in thermal engineering, cooling equipment design and testing to join the Global High Tech R&D team located in Naperville, IL as a Principal Thermal/Mechanical Engineer. The GHT team supports the Light Water business for Data Centers, Microelectronics, and Colloidal Technologies. This role will lead cooling equipment innovation projects for our Data Center portfolio, communicate regularly with the field/customers/busin

Full-time

USD 101,400.00 - 152,100.00 per year

Principal Mechanical Engineer

Mt. Juliet, Tennessee

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Today

Discover the opportunity to join an international, dynamic, and responsible company that fosters the development of all its people around the world. Every day, we empower employees to achieve more and experience exciting careers. Find out how our values and unique position make Schneider Electric the employer of choice. Schneider Electric's Power Systems Division North America Operations has an outstanding opportunity for a passionate and motivated individual to assume the role of Principal Mec

Full-time

Principal Mechanical Engineer

San Jose, California

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Today

Therma, a Legence company For over 50 years, Therma has continued to redefine the mechanical construction landscapes in California. Renowned for outstanding client service and attention to detail, we balance innovative, facility-specific solutions with a pragmatic, cost-conscious approach. Today, the firm employs more than 1,100 people in 3 regional offices, and its clients represent a diverse range of market sectors, including Biopharmaceutical, Education, Healthcare, Food & Beverage, Commerci

Full-time

USD 175,000.00 per year

Principal Mechanical Engineer

Louisville, Kentucky

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Today

Date Posted: 2026-01-12 Country: United States of America Location: KY201: RMS Louisville 6201 Strawberry Lane Louisville, KY 40214, Louisville, KY, 40202 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation a

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer - HVAC

Charlotte, North Carolina

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Today

About Carrier Carrier, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure the safe transport of food, life-saving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives w

Full-time

USD 146,750.00 - 205,250.00 per year

Principal Mechanical Engineer

Hollister, California

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Today

Date Posted: 2026-02-26 Country: United States of America Location: US-CA-GOLETA-H01 ~ 6380 Hollister Ave ~ BLDG H01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our

Full-time

USD 118,300.00 - 224,900.00 per year

Principal Mechanical Engineer

Marlborough, Massachusetts

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Today

Date Posted: 2026-02-03 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon,

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer

Tucson, Arizona

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Today

Date Posted: 2026-02-02 Country: United States of America Location: US-AZ-TUCSON-808 ~ 1151 E Hermans Rd ~ BLDG 808 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the f

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer

Huntsville, Alabama

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Today

Date Posted: 2026-02-11 Country: United States of America Location: US-AL-HUNTSVILLE-315 ~ 315 Bob Heath Dr ~ BOB HEATH Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, t

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer

Redmond, Washington

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Today

Overview Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Teams, OneDrive, and the Microsoft Azure platform globally with our server and data center infrastructure, security and complian

Full-time

USD 139,900.00 - 274,800.00 per year

Principal Mechanical Engineer - Structural Simulation & Analysis

Austin, Texas

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Today

Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our flagship humanoid robot, Apollo, is built to collaborate thoughtfully with people, starting with critical industries such as manufacturing and logistics, with future applications in healthcare, the home, and beyond. We operate at the cutting edge of embodied AI, applying our expertise across the full robotics stack to solve some of society's most important problems. You wi

Full-time

Senior Principal Mechanical Engineer

Marlborough, Massachusetts

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Today

Full-time

USD 132,400.00 per year

Principal Mechanical Engineer - Cooling Systems

Marlborough, Massachusetts

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Today

Date Posted: 2026-02-23 Country: United States of America Location: US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in

Full-time

USD 107,500.00 per year

Principal Mechanical Engineer - Structural Acoustics

Stonington, Connecticut

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Today

Date Posted: 2026-02-10 Country: United States of America Location: US-CT-OLD MYSTIC-011 ~ 11 Main St ~ MAIN Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our values

Full-time

USD 107,500.00 per year

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