Principal Mechanical Engineer jobs

Principal Mechanical Engineer, R&D - NPD

Cary, Illinois

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Today

Work Flexibility: Hybrid As a Principal Mechanical Design Engineer on Stryker's Sage New Product Development team, you will play a pivotal role in designing innovative medical devices that deliver meaningful outcomes for patients. You'll lead product development efforts from concept through launch, collaborating closely across R&D and cross-functional teams to ensure safe, effective, and efficient solutions. A technical expert and strategic influencer, you will guide complex projects, mentor ju

Full-time

Principal Mechanical Engineer, Consumer Hardware (Starlink)

Bastrop, 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, CONSUMER HARDWARE (STARLINK) At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink

Full-time

Principal Mechanical Engineer - Mechatronics

Waltham, Massachusetts

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Today

Our client is seeking a Senior Mechatronics Engineer to lead the design, development, and delivery of innovative electro-mechanical robotic systems. You'll own the mechanical subsystem design across a multidisciplinary team, contributing to hardware that will be deployed and scaled across real-world environments. This is a hands-on, high-autonomy role in a fast-paced startup environment. The ideal candidate thrives in ambiguity, can pivot quickly, and brings a product-first mindset to engineerin

Easy Apply

Full-time

170k - 200k

Principal Mechanical Project Engineer - Hybrid

York, Pennsylvania

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Today

Hybrid work opportunity - Consideration given to applicants within a commutable distance from York, PA. or must be willing to relocate. Build your best future with the Johnson Controls team! Who We Are: As a global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet. Join a winning team that enables you to build your best future! Our teams are uniquely positioned to support a multitude of industries

Full-time

Principal Mechanical Engineer

Marlborough, Massachusetts

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Today

Date Posted: 2025-07-31 Country: United States of America Location: MA802: Marlborough, MA Building 1 1001 Boston Post Road Building 1, Marlborough, MA, 01752 USA 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: DoD Clearance: Secret The Radar Mechanical Design Department leads mechanical design, development, and integration of some of

Full-time

USD 101,000.00 per year

Senior Principal Mechanical Engineer

Huntsville, Alabama

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Today

BlueHalo, an AV company, is looking for a Senior Principal Mechanical Engineer to join the Kinetic Effector team. The Senior Principal Mechanical Engineering role will work across a broad range of disciplines with an emphasis on product development, analysis and testing, and system integration. Responsibilities include mechanical design, technology research, interface definition, trade studies including component selection, CAD modeling and documentation, planning required tasks, leading and men

Full-time

USD 135,000.00 - 225,000.00 per year

Principal Mechanical Engineer - Proposal Lead

Marlborough, Massachusetts

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Today

Date Posted: 2025-07-21 Country: United States of America Location: MA802: Marlborough, MA Building 1 1001 Boston Post Road Building 1, Marlborough, MA, 01752 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 nati

Full-time

USD 101,000.00 per year

Principal Mechanical Engineer

Lower Alloways Creek, New Jersey

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Today

Job Number: 7035 External Description: PRINCIPAL MECHANICAL ENGINEER - NUCLEAR Job Summary The Principal Nuclear Engineer- Mechanical in Engineering Services provides governance and oversight for multiple mechanical component activities at Salem and Hope Creek Generating Stations. The Corporate Mechanical Engineer will be a Subject Matter Expert and will ensure industry leading performance via a robust Preventative Maintenance program and Long-Term Asset Management Strategies benchmarked agains

Full-time

Principal Mechanical Engineer

Philadelphia, Pennsylvania

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Today

Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. As a Principal Mechanical Engineer in the Westinghouse Parts Business, you will work in our New Stanton facility to support the WPB Procuremen

Full-time

Principal Mechanical Engineer - Hydraulics & Machines (Onsite)

Richardson, Texas

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Today

Date Posted: 2025-06-19 Country: United States of America Location: HTX36: Richardson, TX 3200 E Renner Rd , Richardson, TX, 75082-2402 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: Top Secret Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and

Full-time

USD 101,000.00 per year

Principal Mechanical Engineer

Somerville, Massachusetts

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Today

To reinvent an industry, you have to build the best team. Join Formlabs if you want to bring groundbreaking professional 3D printers to the desktops of every designer, engineer, researcher, and artist in the world. We're excited to build devices that perform remarkably, create beautiful parts, and reflect careful user experience design. You will be architecting, prototyping, building, and designing the hardware systems of our next-generation 3D printers. You will be responsible for key system d

Full-time

Principal Mechanical Engineer

Rock Hill, South Carolina

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Today

Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role: As a Principal Mechanical Maintenance Optimization Engineer on our Nuclear Maintenance Optimization team, you will support an

Full-time

Principal Mechanical Engineer, Seal Design and Analysis (P4) - Onsite

East Hartford, Connecticut

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Today

Date Posted: 2025-06-25 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: DoD Clearance: Secret Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're seeking the people to drive

Full-time

USD 101,000.00 per year

Principal Mechanical Engineer - Therma

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

Principal Mechanical Engineer - Section Leader - Tewksbury, MA

Tewksbury, Massachusetts

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Today

Date Posted: 2025-08-12 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 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

Full-time

USD 101,000.00 per year

Principal RF Mechanical Engineer

Tucson, Arizona

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Today

Date Posted: 2025-07-28 Country: United States of America Location: AZ852: RMS AP Bldg M02 1151 East Hermans Road Building M02, Tucson, AZ, 85756 USA 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and

Full-time

USD 101,000.00 per year

Principal, Mechanical Design Engineer

Orlando, Florida

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Full-time

Principal Mechanical Design Engineer - Tewksbury, MA (On-site)

Tewksbury, Massachusetts

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Today

Date Posted: 2025-07-06 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 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

Full-time

USD 101,000.00 per year

Principal Mechanical Project Engineer - Hybrid

Remote or York, Pennsylvania

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Today

Full-time

Principal Process Mechanical / Wastewater Engineer

Tampa, Florida

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Today

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is looking for a Principal Process Mechanical / Wastewater Engineer

Full-time

USD 113,933.00 - 193,686.00 per year

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Principal Mechanical Engineer jobs