Mechanical Engineer Jobs in Boston, MA

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Mechanical Engineer II - Structural Engineer

RTX Corporation

•

Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-05-15 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, 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 nation and alli
Posted 60+ days ago | Updated 2 hours ago

Senior Mechanical Engineer

Salas O'Brien Engineers Incorporated

•

Newton, Massachusetts, USA

Full-time

Senior Mechanical Engineer At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to probl
Posted 60+ days ago | Updated 2 hours ago

Mechanical Engineer - CMTA

Legence Therma LLC

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Framingham, Massachusetts, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona
Posted 60+ days ago | Updated 2 hours ago

Mechanical Engineer Intern/Co-op Fall 2025 - CMTA

Legence Therma LLC

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Framingham, Massachusetts, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona
Posted 34 days ago | Updated 2 hours ago

Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

•

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
Posted 17 days ago | Updated 2 hours ago

Lead Mechanical Engineer - Life Sciences

Cushman & Wakefield

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Cambridge, Massachusetts, USA

Full-time

Job Title Lead Mechanical Engineer - Life Sciences Job Description Summary Primary Purpose of Position: C&W Services customer is beginning a journey or purchasing and ground up construction of building in the life science sector. We are looking for someone looking to take on a new challenge and begin to assist with building a life sciences engineering team. The right candidate must work well with a large team, give direction to more junior staff, and most importantly train the staff in the life
Posted 60+ days ago | Updated 2 hours ago

Lead Mechanical Engineer 2 - Government Services

Sargent & Lundy LLC.

•

Remote

Full-time

Description This is a remote position with the expectation of frequent travel to a client site near Oak Ridge, Tennessee. This is a mid-level design engineering position that offers a variety of challenging opportunities in Mechanical Engineering and will provide an excellent opportunity for career advancement: Lead Mechanical design engineering efforts on a multi-disciplined project design team and apply mechanical engineering expertise to the design and analysis of special purpose equipment,
Posted 7 days ago | Updated 2 hours ago

Principal Mechanical Engineer - Section Leader - Tewksbury, MA

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
Posted 49 days ago | Updated 2 hours ago

Lead Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

•

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
Posted 16 days ago | Updated 2 hours ago

Lead Mechanical Engineer 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

•

Remote

Full-time

Description Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the nuclear industry. You will work on major systems, equipment and plant process in the following areas: Perform consulting level work for power uprates in the nuclear industry.Interface with clients and project teams to present technical discussions and project status.Develop engineering proposals and cost estimates.M
Posted 16 days ago | Updated 2 hours ago

Sr. Mechanical Engineer, Hardware Simulation

Johnson & Johnson

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Remote or Santa Clara, California, USA

Full-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
Posted 21 days ago | Updated 2 hours ago

Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.

•

Remote

Full-time

Description Sargent & Lundy's Government Services Division provides cutting-edge engineering and consulting to the management and operating contractors for the US Department of Energy (DOE) and the National Nuclear Security Administration (NNSA). What does this mean? You can be a part of multi-discipline teams developing and designing facilities, systems, and equipment for the nation's major research laboratories and the legacy nuclear weapons production complex. This critical engineering work
Posted 24 days ago | Updated 2 hours ago

Mechanical Engineer - Mid Level (Hybrid)

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
Posted 3 days ago | Updated 2 hours ago

Mechanical Development Engineer II

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
Posted 2 hours ago

Mechanical Development Engineer

Flextronics

•

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
Posted 1 day ago | Updated 2 hours ago

Staff Mechanical Engineer R&D

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
Posted 1 day ago | Updated 2 hours ago

Mechanical Senior Principal Engineer

Dell Technologies

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Hopkinton, Massachusetts, USA

Full-time

Senior Principal Mechanical Engineer Mechanical Engineering leads and delivers the development of innovative solutions, interfacing with cross-functional teams for server systems, peripherals and infrastructure. Our team conducts the analysis, feasibility studies and testing of mechanical products, instruments, subassemblies and packaging for new and existing products - and then oversees the introduction of design changes to the manufacturing organizations. As AI growth is accelerating, Dell T
Posted 43 days ago | Updated 2 hours ago

Industrial/Semiconductor Mechanical Engineer

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
Posted 30 days ago | Updated 2 hours ago

Sr. Mechanical Engineer - Healthcare

Farnsworth Group, Inc.

•

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
Posted 29 days ago | Updated 2 hours ago

Mechanical Instrumentation Engineer

Draper

•

Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 39 days ago | Updated 2 hours ago