Principal Mechanical Engineer Jobs

21 - 40 of 167 Jobs

Principal Mechanical EngineerJob Title - Principal Mechanical Engineer

Schneider ElectricCompany Name - Schneider Electric

•

Smyrna, Tennessee, USA

Full-time

What will you do? 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 ro

Principal Mechanical Engineer, FEA FocusJob Title - Principal Mechanical Engineer, FEA Focus

Leonardo DRSCompany Name - Leonardo DRS

•

Fitchburg, Massachusetts, USA

Full-time

Job ID: 111638 The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.S. Navy and navies around the world. Job Summary DRS NPS has an immediate need for a Principal Mechanical Engineer with a focus on design and shock analysis of high-performance rotating equipment and associated static structures. You will provide direct contributor work in designing for mechanical shock survivabi

Principal Mechanical Engineer - NuclearJob Title - Principal Mechanical Engineer - Nuclear

PSEGCompany Name - PSEG

•

New Jersey, USA

Full-time

Requisition: 79570 PSEG Company: PSEG Power Salary Range: $ 114,500 - $ 188,100 Work Location Category: Hybrid Fixed PSEG operates under a Flexible Work Model where flexible work is offered when job requirements allow. In support of this model, roles have been categorized into one of four work location categories: Onsite are roles that have specific onsite requirements and are typically onsite daily. Hybrid fixed are roles that are a blend of onsite work/in-person interactions with some abi

Principal Mechanical Engineer - Section Leader - Tewksbury, MAJob Title - Principal Mechanical Engineer - Section Leader - Tewksbury, MA

RTX CorporationCompany Name - RTX Corporation

•

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-06-04 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

Principal Mechanical Engineer - NUCLEARJob Title - Principal Mechanical Engineer - NUCLEAR

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

Rock Hill, South Carolina, USA

Full-time

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. Position: Principal Mechanical Engineer As a Principal Mechanical Engineer in the Operating Plants Mechanical Systems area, you will have the

Principal Mechanical EngineerJob Title - Principal Mechanical Engineer

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

North Carolina, USA

Full-time

Principal Mechanical Engineer Westinghouse Electric Company Cranberry Twp., PA 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 Engineer, you wil

Principal Mechanical Project Engineer - HybridJob Title - Principal Mechanical Project Engineer - Hybrid

Johnson ControlsCompany Name - Johnson Controls

•

York, Pennsylvania, USA

Full-time

Job DescriptionHybrid 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

Principal Engineer - Mechanical Engineering (Hybrid)Job Title - Principal Engineer - Mechanical Engineering (Hybrid)

RTX CorporationCompany Name - RTX Corporation

•

Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-07-16 Country: United States of America Location: 02: Building 02 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Looking to make an impact in engineering? Join our Hydro-Mechanical, Actuation & Pneumatic Valve Design Group as a Mechanical Design Engineer. You'll play a key role in developing innovative solutions for critical component

Principal Mechanical Project Engineer - HybridJob Title - Principal Mechanical Project Engineer - Hybrid

Johnson Controls, Inc.Company Name - Johnson Controls, Inc.

•

Remote or York, Pennsylvania, USA

Full-time

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

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

RTX CorporationCompany Name - RTX Corporation

•

Tewksbury, Massachusetts, USA

Full-time

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

Principal Mechanical Design Engineer (P4) - OnsiteJob Title - Principal Mechanical Design Engineer (P4) - Onsite

RTX CorporationCompany Name - RTX Corporation

•

East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-05-30 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: The ability to obtain and maintain a U.S. government issued security clearance is required.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

Principal Mechanical Systems Engineer (Onsite)Job Title - Principal Mechanical Systems Engineer (Onsite)

RTX CorporationCompany Name - RTX Corporation

•

Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-09 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required We are seeking a Principal Mechanical Systems Engineer to join our team in Windsor Locks, CT. In this role, you will design innovative hydro-mechanical and pneumatic control systems, define system components using physics-b

Principal Mechanical Design Engineer, ToolingJob Title - Principal Mechanical Design Engineer, Tooling

Relativity SpaceCompany Name - Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Principal Mechanical Design Engineer, Factory AutomationJob Title - Principal Mechanical Design Engineer, Factory Automation

Relativity SpaceCompany Name - Relativity Space

•

Long Beach, California, USA

Full-time

Principal Mechanical Design Engineer (Dallas)Job Title - Principal Mechanical Design Engineer (Dallas)

Shield AI IncCompany Name - Shield AI Inc

•

Dallas, Texas, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Boston, Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Sh

Principal Mechanical Design Engineer (San Diego)Job Title - Principal Mechanical Design Engineer (San Diego)

Shield AI IncCompany Name - Shield AI Inc

•

San Diego, California, USA

Full-time

Principal Mechanical Design R&D EngineerJob Title - Principal Mechanical Design R&D Engineer

Boston Scientific CorporationCompany Name - Boston Scientific Corporation

•

Arden Hills, Minnesota, USA

Full-time

Innovation - Diversity - Caring - Global Collaboration - Winning Spirit - High Performance At Boston Scientific, we'll give you the opportunity to harness all that's within you by working in teams of diverse and high-performing employees, tackling some of the most important health industry challenges. With access to the latest tools, information and training, we'll help you in advancing your skills and career. Here, you'll be supported in progressing - whatever your ambitions. Principal R&D Mec

Principal, Mechanical Design Engineer 1Job Title - Principal, Mechanical Design Engineer 1

Harris CorporationCompany Name - Harris Corporation

•

Orlando, Florida, USA

Full-time

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

Principal Mechanical Systems Commissioning Engineer - NSSS, NuclearJob Title - Principal Mechanical Systems Commissioning Engineer - NSSS, Nuclear

PSEGCompany Name - PSEG

•

New Jersey, USA

Full-time

Requisition: 79930 PSEG Company: PSEG Power Salary Range: $ 117,900 - $ 219,100 Work Location Category: Hybrid Fixed PSEG operates under a Flexible Work Model where flexible work is offered when job requirements allow. In support of this model, roles have been categorized into one of four work location categories: Onsite are roles that have specific onsite requirements and are typically onsite daily. Hybrid fixed are roles that are a blend of onsite work/in-person interactions with some abi

Senior Principal Engineer, Electro-mechanical Controls (Onsite)Job Title - Senior Principal Engineer, Electro-mechanical Controls (Onsite)

RTX CorporationCompany Name - RTX Corporation

•

Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 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 Collins Aerospace's Power & Controls team is looking for a Senior Principal Engineer to play a pivotal role in advancing our Ele