MECHANICAL ENGINEER Jobs in Massachusetts

41 - 60 of 115 Jobs

Mechanical Engineer InternJob Title - Mechanical Engineer Intern

Marmon Holdings IncCompany Name - Marmon Holdings Inc

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Remote

Full-time

As a part of the global industrial organization Marmon Holdings-which is backed by Berkshire Hathaway-you'll be doing things that matter, leading at every level, and winning a better way. We're committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone's empowered to be their best. We are seeking a motivated and detail-oriented Mechanical Engineer Intern to join our engineering team. This internship o

Mechanical Engineer IIJob Title - Mechanical Engineer II

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-08-04 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

Lead Mechanical EngineerJob Title - Lead Mechanical Engineer

StantecCompany Name - Stantec

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Hingham, Massachusetts, USA

Full-time

At Stantec, we know the work we do matters. From decarbonizing mines to modernizing electric grids and building the infrastructure that fuels communities, we're powering the world. Our clients come to us with their biggest, most complex challenges because that's where we thrive. And we're looking for problem solvers, high achievers, and visionaries to help us. Join us for a chance to grow professionally at one of the world's top design firms while building our clean energy future. Location is fl

Lead Mechanical EngineerJob Title - Lead Mechanical Engineer

StantecCompany Name - Stantec

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Boston, Massachusetts, USA

Full-time

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-10 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

Mechanical Engineer - ManufacturingJob Title - Mechanical Engineer - Manufacturing

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 Engineer 2 - NuclearJob Title - Senior Mechanical Engineer 2 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to

Mechanical Engineer - Mid Level (Hybrid)Job Title - Mechanical Engineer - Mid Level (Hybrid)

Barr EngineeringCompany Name - Barr Engineering

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Remote or Ann Arbor, Michigan, USA

Full-time

The role - what you'll do Barr is seeking a mechanical engineer to join our team. In this hybrid role, you will support the Engineering and Design business unit, working with multidisciplinary project teams to serve industrial clients in the power generation, oil and gas, mining, and manufacturing sectors. You will use your expertise to develop and review engineering calculations, system specifications, and construction drawings; select equipment and components; and guide project execution from

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

RTX CorporationCompany Name - RTX Corporation

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Marlborough, Massachusetts, USA

Full-time

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

Mechanical EngineerJob Title - Mechanical Engineer

General DynamicsCompany Name - General Dynamics

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Quincy, Massachusetts, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable period of time. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to c

Senior Mechanical Engineer - TF StructuresJob Title - Senior Mechanical Engineer - TF Structures

Commonwealth Fusion SystemsCompany Name - Commonwealth Fusion Systems

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Massachusetts, USA

Full-time

Senior Mechanical Engineer - Patriot PAC-2 CanisterJob Title - Senior Mechanical Engineer - Patriot PAC-2 Canister

RTX CorporationCompany Name - RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-31 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: Remote 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

Mechanical EngineerJob Title - Mechanical Engineer

StantecCompany Name - Stantec

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Burlington, Massachusetts, USA

Full-time

"Stantec Buildings is on a mission to become the world's leading integrated design practice. Our architects, engineers, interior designers, sustainability specialists, and technologists are passionate about the power of design. We take an innovative, collaborative approach to projects, sharing a common belief that sustainable design for the built environment can make the world a better place for future generations. Join us and design your place with Stantec. Your Opportunity Our Buildings team i

Mechanical EngineerJob Title - Mechanical Engineer

General DynamicsCompany Name - General Dynamics

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Pittsfield, Massachusetts, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable period of time. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified in

Mechanical Engineer IIJob Title - Mechanical Engineer II

Fresenius Medical CareCompany Name - Fresenius Medical Care

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Remote or Lawrence, Massachusetts, USA

Full-time

PURPOSE AND SCOPE: The Mechanical Engineer II will play a key role in improving our Home HD products and our patients' lives. This individual will apply sound engineering principles in the support of our current product portfolio and will be involved in different parts of a product's life, including but not limited to the feasibility evaluation for new features and products to improve the quality, performance, and cost of dialysis therapy. You will be part of a team with responsibility for suppo

Staff Mechanical Engineer R&DJob Title - Staff Mechanical Engineer R&D

Johnson & JohnsonCompany Name - Johnson & Johnson

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Remote or Santa Clara, California, USA

Part-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Industrial/Semiconductor Mechanical EngineerJob Title - Industrial/Semiconductor Mechanical Engineer

Farnsworth Group, Inc.Company Name - Farnsworth Group, Inc.

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Remote

Full-time

Join us and grow your career with a certified Great Place to Work for the last nine years running. We are a team of Engineers, Architects, Surveyors and Scientists committed to making meaningful contributions to the world around us. Our quest for excellence goes beyond the ordinary; we seek extraordinary people who want to showcase their talents and join us in making a difference for our clients and communities. You will be part of a collaborative group that champions your career and passions, e

Sr Mechanical EngineerJob Title - Sr Mechanical Engineer

FlextronicsCompany Name - Flextronics

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Littleton, Massachusetts, USA

Full-time

Job Posting Start Date 07-23-2025 Job Posting End Date 07-28-2025 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

Sr. Mechanical Engineer - HealthcareJob Title - Sr. Mechanical Engineer - Healthcare

Farnsworth Group, Inc.Company Name - Farnsworth Group, Inc.

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Remote

Full-time

Lead generator mechanical engineerJob Title - Lead generator mechanical engineer

GE VernovaCompany Name - GE Vernova

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Remote

Full-time

Job Description Summary The Lead Generator Mechanical Engineer will be responsible for the design of hydro generator mechanical components for installed based projects. He/she will also be responsible to provide technical support for supply chain and site activities related to hydro generators. Job Description About Us: We are a purpose-built company leading a new era of energy - electrifying the world while simultaneously working to help decarbonize it! Our culture is built on inclusivity, d