Mechanical Engineer I Jobs in Boston, MA

41 - 60 of 87 Jobs

Senior Mechanical Engineer 1 - NuclearJob Title - Senior Mechanical Engineer 1 - 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

Associate, Mechanical Engineer (Wilmington, MA)Job Title - Associate, Mechanical Engineer (Wilmington, MA)

Harris CorporationCompany Name - Harris Corporation

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Wilmington, Massachusetts, 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

Lead Mechanical Engineer 2 - Government ServicesJob Title - Lead Mechanical Engineer 2 - Government Services

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

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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,

Lead Mechanical Engineer 1 (Power Uprates) - NuclearJob Title - Lead Mechanical Engineer 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.Company Name - 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

Senior Mechanical Engineer Analyst 1 (Power Uprates) - NuclearJob Title - Senior Mechanical Engineer Analyst 1 (Power Uprates) - Nuclear

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

•

Remote

Full-time

Description This will be a remote Mechanical Analysis position to support Power Uprates. 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 Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position w

Mechanical EngineerJob Title - Mechanical Engineer

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

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Norwell, Massachusetts, USA

Full-time

Mechanical Engineer - 2 - 4 Years Warm Springs, VA Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At WECTEC Staffing Services, a wholly-owned subsidiary of Westinghouse Electric Company LLC, 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. Your Day - t

Senior Mechanical Engineer - CMTAJob Title - Senior Mechanical Engineer - CMTA

Legence Therma LLCCompany Name - 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

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

Mechanical Instrumentation EngineerJob Title - Mechanical Instrumentation Engineer

DraperCompany Name - Draper

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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

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: 2025-07-17 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

Staff Mechanical Engineer - R&D RoboticsJob Title - Staff Mechanical Engineer - R&D Robotics

Johnson & JohnsonCompany Name - 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

Senior Mechanical Engineer 1 - Government ServicesJob Title - Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.Company Name - 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

Senior Mechanical Design EngineerJob Title - Senior Mechanical Design Engineer

FlextronicsCompany Name - Flextronics

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Littleton, Massachusetts, USA

Full-time

Cooling Systems Mechanical EngineerJob Title - Cooling Systems Mechanical Engineer

Schneider ElectricCompany Name - Schneider Electric

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Andover, Massachusetts, USA

Full-time

We are seeking a Cooling Systems Mechanical Engineer. Are you an inquisitive and self-motivated Cooling Systems Mechanical Engineer with a passion for sustainable technologies and a keen interest in the data center industry? If so, Schneider Electric has an outstanding opportunity for you! Join our high-performance Technology Exploration team as a Senior Cooling Systems Engineer, where you'll be at the forefront of creating innovative cooling architectures for the next generation of data centers

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

Mechanical EngineerJob Title - Mechanical Engineer

FormlabsCompany Name - Formlabs

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Somerville, Massachusetts, USA

Full-time

To reinvent an industry, you have to build the best team. Join Formlabs if you want to bring groundbreaking professional 3D printers to the desktop of every designer, engineer, researcher, and artist in the world. As mechanical engineers at a 3D printing company we create tools we use ourselves. We're excited to build devices that not only create beautiful parts but also reflect careful user experience design. Our team prototypes, designs, and manufactures the mechanisms and systems that make o

Sr. Mechanical Engineer, Hardware SimulationJob Title - Sr. Mechanical Engineer, Hardware Simulation

Johnson & JohnsonCompany Name - Johnson & Johnson

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Remote or Santa Clara, California, USA

Full-time

Mechanical Engineer IIIJob Title - Mechanical Engineer III

Textron, Inc.Company Name - Textron, Inc.

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Wilmington, Massachusetts, USA

Full-time

Who We Are Textron Systems is part of Textron, a $14 billion, multi-industry company employing 35,000 talented makers, thinkers, creators and doers worldwide. We make things that fly, hover, zoom and launch. Things that move people. Protect soldiers. Power industries. We serve customers in industries spanning aerospace and defense, specialized vehicles, turf care and fuel systems. This role is in Textron System's Weapon Systems business area. Visit TextronSystems.com & Lycoming.com to read mo

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

RTX CorporationCompany Name - RTX Corporation

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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

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

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

•

Remote

Full-time