senior mechanical engineer Jobs in massachusetts

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Sr. Mechanical Engineer

Atlas Copco

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Haverhill, Massachusetts, USA

Full-time

Senior Mechanical Engineer - PC Haverhill, MA (US) Edwards has been engineering environments where innovation thrives for more than 100 years. Our legacy is built on a willingness to push the boundaries of science - that's why we're a global leader of vacuum and abatement. Being part of Atlas Copco Group means we have thousands of employees around the world; this is your opportunity to work alongside passion, expertise, and with the latest technology to transform industries such as electronics,
Posted 57 days ago | Updated 11 hours ago

Senior Mechanical Engineer

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Our client, a leading medical device company, is seeking a Senior Mechanical Engineer to join their R&D team. This role involves contributing to the design, development, and support of diagnostic systems and electromechanical components in a regulated environment. The ideal candidate will have a strong background in mechanical design, experience with complex assemblies, and a track record of bringing products from concept through development and into manufacturing. This is a hands-on engineering
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Posted 41 days ago | Updated 7 hours ago

Senior Mechanical Engineer - Med Device

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Our client, an established global leader in the diagnostics and medical device sector, is currently seeking a Senior Mechanical Engineer to join their growing R&D team. This role offers the opportunity to work on advanced diagnostic instruments and devices that directly impact patient care and clinical outcomes. Key Responsibilities: Lead the design and development of mechanical components and subsystems for complex medical devices, from concept through to production.Collaborate with cross-fun
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Posted 45 days ago | Updated 7 hours ago

Senior Mechanical Engineer - New Hampshire

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Our client is a leader in precision automachinery manufacturing, driving innovation across industries from advanced materials handling to next-generation automation systems. They are expanding their team and seeking a Senior Mechanical Engineer who is passionate about designing robust, high-performance mechanical systems for cutting-edge industrial applications. Key Responsibilities: Lead the design, development, and validation of complex mechanical components and systems for industrial machin
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Posted 26 days ago | Updated 7 hours ago

Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

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Remote

Full-time

Description This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants. You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsSystem and Componen
Posted 9 days ago | Updated 11 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 14 days ago | Updated 11 hours ago

Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.

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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 17 days ago | Updated 11 hours ago

Senior Mechanical Engineer Analyst 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.

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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
Posted 9 days ago | Updated 11 hours ago

Senior Mechanical Engineer 2 - Nuclear

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
Posted 52 days ago | Updated 11 hours ago

Sr. Mechanical Engineer - Healthcare

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 22 days ago | Updated 11 hours ago

Senior Mechanical Engineer

RTX Corporation

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Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-05-22 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
Posted 43 days ago | Updated 11 hours ago

Senior Mechanical Engineer - CMTA

Legence Therma LLC

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Boston, 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 6 days ago | Updated 11 hours ago

Sr Mechanical Engineer

Flextronics

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Littleton, Massachusetts, USA

Full-time

Job Posting Start Date 05-20-2025 Job Posting End Date 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 extraordinary. Job
Posted 60+ days ago | Updated 11 hours ago

Senior Mechanical Engineer - Structural Engineer

RTX Corporation

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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 57 days ago | Updated 11 hours ago

Senior Mechanical Engineer - Vessel Structures

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
Posted 60+ days ago | Updated 11 hours ago

Senior Mechanical Engineer

Formlabs

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Somerville, Massachusetts, USA

Full-time

Senior Mechanical Engineer Department: Hardware Engineering Location: Somerville, MA To reinvent an industry, you have to build the best team. Join Formlabs if you want to bring groundbreaking professional 3D printers to the desktops of every designer, engineer, researcher, and artist in the world. We're excited to build devices that perform remarkably, create beautiful parts, and reflect careful user experience design. You will be architecting, prototyping, building, and designing the hardwa
Posted 60+ days ago | Updated 11 hours ago

Senior Mechanical Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-06-05 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 U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace is looking to hire a Senior Mechanical Engineer to perform design cost management. The primary focus of this position will be to provide Design to Cost (DTC) support for
Posted 32 days ago | Updated 11 hours ago

Senior Mechanical Engineer

Salas O'Brien Engineers Incorporated

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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 11 hours ago

Senior Mechanical Engineer

Pond & Company

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Remote or Peachtree Corners, Georgia, USA

Full-time

About the Position We are seeking a Senior Mechanical Engineer to join our growing Professional Design Services team in either one of the following Pond offices (Atlanta, GA; Augusta, GA; Savannah, GA; Jacksonville, FL; Tempa, FL; Port Orange, FL; Columbia, SC; Charlotte, NC; Huntsville, AL; Mobile, AL; New Orleans, LA) or as a Remote Employee. The ideal candidate possesses 10+ years of related MEP design engineering experience and wants to grow, collaborate, and innovate. In this position, the
Posted 60+ days ago | Updated 23 days ago

Senior Mechanical Engineer (Hybrid)

Westinghouse Electric Company LLC

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Remote or Rock Hill, South Carolina, USA

Full-time

Are you interested in being part of a creative 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 want to identify the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. If this sounds like an environment you would thrive in, we have an exciting opportunity as a Senior Mechanical Engineer. The Senior Mechanical Engineer will report to
Posted 60+ days ago | Updated 11 hours ago