Mechanical Engineer I Jobs in Massachusetts

1 - 20 of 104 Jobs

Senior Mechanical Engineer AN/TPY-2Job Title - Senior Mechanical Engineer AN/TPY-2

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-04-14 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: Security Clearance: Classified At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 year

Mechanical Engineer I, R&DJob Title - Mechanical Engineer I, R&D

Form EnergyCompany Name - Form Energy

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Somerville, Massachusetts, USA

Full-time

Are you ready to build America's energy future? Form Energy is an American manufacturing and energy technology company. We're revolutionizing energy storage with cost-effective, multi-day technology designed to keep the electric grid secure and reliable, even during extended periods of stress. By strengthening the electric system and reimagining what's possible, we're giving clean energy a whole new form! In recent years, Form Energy has earned a number of accolades, including being named by TIM

Mechanical Engineer IJob Title - Mechanical Engineer I

Form EnergyCompany Name - Form Energy

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Somerville, Massachusetts, USA

Full-time

Mechanical Engineer 2Job Title - Mechanical Engineer 2

Harvey Nash Inc.Company Name - Harvey Nash Inc.

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Remote

Full-time

Mechanical Engineer 2 Mossville, IL 12 months, with possibility to extend Position s Contributions to Work Group: - Lab testing of electric drive components and systems performance and durability testing, failure / root cause investigation. Reason/motivation for request: - New position to support an increase in workload Why Client? Whether it be ground-breaking products, best in class solutions or a lifelong career, you can build what matters to you at Client. With 150 locations in countries a

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

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-05-05 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 Missiles & Defense, by combining our vast resources and investments, we dedicate ourselves

Senior Field Mechanical Engineer - AssemblyJob Title - Senior Field Mechanical Engineer - Assembly

Commonwealth Fusion SystemsCompany Name - Commonwealth Fusion Systems

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Massachusetts, USA

Full-time

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent and new technologies, we're designing and building commercially viable fusion power plants. And working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised over $2 billion in capital - more than any other fusion energy company in th

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

RTX CorporationCompany Name - RTX Corporation

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Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-03-28 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead

Principal Mechanical Engineer EAC & Proposal LeadJob Title - Principal Mechanical Engineer EAC & Proposal Lead

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-04-28 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: 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 - t

Senior Mechanical Engineer, Dynamic Machine Design (Hybrid-Puerto Rico)Job Title - Senior Mechanical Engineer, Dynamic Machine Design (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-02-25 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid Collins Aerospace has an exciting opportunity for an experienced Mechanical Engineer that thrives in the design, development, and integration of dynamic electro-mechanical systems and controls involving items such as gear boxes, motors, and hydraulic pumps. You will also work closely with

Mechanical Engineer - Hardware DelegateJob Title - Mechanical Engineer - Hardware Delegate

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

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

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-05-01 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

Senior Mechanical Engineer - Vessel StructuresJob Title - Senior Mechanical Engineer - Vessel Structures

Commonwealth Fusion SystemsCompany Name - Commonwealth Fusion Systems

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Massachusetts, USA

Full-time

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Norwood, Massachusetts, USA

Full-time

FM is a leading industrial and commercial property insurer of the world's largest businesses, providing more than one-third of FORTUNE 1000-size companies with engineering-based risk management and property insurance solutions. FM helps clients maintain continuity in their business operations by drawing upon state-of-the-art loss-prevention engineering and research; risk management skills and support services; tailored risk transfer capabilities; and superior financial strength. To do so, we rel

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Wellesley, Massachusetts, USA

Full-time

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Newton, Massachusetts, USA

Full-time

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Everett, Massachusetts, USA

Full-time

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Somerville, Massachusetts, USA

Full-time

Sr Mechanical EngineerJob Title - Sr Mechanical Engineer

FlextronicsCompany Name - Flextronics

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Littleton, Massachusetts, USA

Full-time

Job Posting Start Date 05-09-2025 Job Posting End Date 05-30-2025 Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraord

Senior Research Mechanical Engineer - Major Industrial EquipmentJob Title - Senior Research Mechanical Engineer - Major Industrial Equipment

FMCompany Name - FM

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Norwood, Massachusetts, USA

Full-time

Mechanical EngineerJob Title - Mechanical Engineer

Katalyst Healthcares and LifesciencesCompany Name - Katalyst Healthcares and Lifesciences

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Bedford, Massachusetts, USA

Full-time

Responsibilities: Develop and maintain a thorough understanding of current products in development and their manufacturing processes. Collaborate as part of a cross-functional product development team to achieve project scope, time, and cost targets. Transfer robust products and processes from R&D to manufacturing and commercial launch. Communicate effectively with various departments including R&D, Manufacturing, and Quality. Utilize statistical software for data analysis and problem-solving. R