Mechanical engineer jobs in Lexington, MA and nearby (364 jobs)

Staff Mechanical Engineer

Butterfly Network

Burlington, MA

As a member of the mechanical product development team, you will have the opportunity to use your creativity and diverse range of mechanical design experience to reinvent and influence the…

Scientist, Thermal Analyst Mechanical Engineer (Space Systems) : Sign-on bonus ($50K max)

L3Harris Technologies

Wilmington, MA

Job Title: Scientist, Thermal Analyst Mechanical Engineer (Space Systems) : Sign-on bonus ($50K max)

Senior Mechanical Engineer – Mission Critical

Burns & McDonnell

Newton, MA

The Senior Mechanical Engineer will lead mechanical design project teams to create world class designs for new projects, alterations and redevelopments on a variety of projects including…

Mechanical Engineer (Boston-Based)

Oakwell

Boston, MA

Being an Oakwell engineer means being an owner's engineer and their trusted partner. Oakwell is a real estate and infrastructure firm that provides capital, engineering, and project…

Senior Mechanical Engineer

STV Incorporated

Boston, MA

Professional Engineer (PE) license required

Principal Mechanical Engineer

Mercury Systems

Hudson, NH · Andover, MA

In this role, our team is looking for an experienced, motivated engineer eager to make a meaningful impact from day one. As a principal mechanical engineer, you will take a hands‑on role in…

Intern - Nuclear Engineer - Summer 2027

Commonwealth Fusion Systems

Devens, MA

• $25 to $38 USD / hour

Senior Mechanical Engineer (Teradyne, North Reading, MA)

Teradyne

North Reading, MA

We are seeking a highly motivated and collaborative Senior Mechanical Engineer to support our Silicon Photonics Engineering group in North Reading, MA. Development occurs in a dynamic and…

Mechanical Engineer I (Spring Hire)

Specter Aerospace

Boston, MA

Specter Aerospace is seeking a Mechanical Engineer 1 to join our engineering team the Spring of 2027. In this role, you will support the design and development of mechanical components and…

Mechanical Engineer

RMF Engineering, Inc

Boston, MA

Must have Autodesk Revit software for Building Information Modeling (BIM) experience

Senior Mechanical Design Engineer

RISE Robotics

Somerville, MA

At this pivotal point in company growth, RISE is looking for a passionate and team-oriented Senior Mechanical Engineer to join us in shaping the future of heavy duty linear actuation and…

Mechanical Engineer - Sustaining Product

IPG Photonics

Marlborough, MA

The Sustaining Product Engineer is a hands-on member of the LightWELD engineering team responsible for sustaining IPG’s LightWELD handheld laser welding product family in manufacturing.…

Senior Opto-Mechanical Engineer

Headwall Photonics Inc.

Bolton, MA

• $120,000 to $150,000 USD / year

Headwall is seeking a versatile Opto-Mechanical Engineer to develop and support precision optical instruments used in hyperspectral imaging applications. This role bridges optical and…

Principal Staff Mechanical Engineer

ATI

Woburn, MA

BS in Mechanical Engineering, Robotics Engineering or equivalent

Mechanical Engineer III

Evolv Technologies Inc.

Waltham, MA

As a Mechanical Engineer III, you’ll take hands-on ownership of components and subassemblies throughout the product lifecycle - from early concepts and rapid prototypes through design…

Senior Mechanical Power Engineer

HDR

Boston, MA

…poised for monumental growth. We are seeking a qualified Senior Mechanical Engineer to help our clients develop, contract, and implement natural gas and potentially renewable energy…

Mechanical Engineer - Building Engineering

HDR

Boston, MA

…advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision,…

Staff Mechanical Engineer

Boston Dynamics, Inc.

Waltham, MA

• $120,000 to $145,000 USD / year

Boston Dynamics is seeking a Staff Mechanical Engineer to join our Spot robot team. In this role, you will be a key technical resource for new product initiatives, designing ruggedized…

Senior Mechanical Engineer (Manufacturing Test)

Whoop

Boston, MA

WHOOP is hiring a Senior Mechanical Engineer (Manufacturing Test) to develop the mechanical test fixtures and systems that enable reliable, scalable testing of WHOOP products throughout…

Mechanical Engineer Principal

Applied Materials

Billerica, MA

As a Mechanical Engineer, you’ll leverage your strong foundation in physics, mathematics, and materials science to process and resolve mechanical problems, design and implement custom…

Mechanical Engineer

Applied Materials

Billerica, MA

As a Mechanical Engineer, you’ll leverage your strong foundation in physics, mathematics, and materials science to process and resolve mechanical problems, design and implement custom…

Principal Mechanical Design Engineer

The Charles Stark Draper Laboratory, Inc.

Cambridge, MA

Draper Mechanical Engineers develop novel solutions to customer driven problems including ruggedized miniature electro-mechanical systems, systems for harsh environments (e.g. high-g, high…

Robotics Mechanical Engineer

Teledyne FLIR Unmanned Ground Systems, Inc.

Billerica, MA

We are seeking a strong, talented, self-motivated Mechanical Engineer to join our team in creating world class robotic systems for use in military, law enforcement, and first responder…

Staff Mechanical Engineer, Advanced Product Development

Form Energy, Inc

Somerville, MA

• $147,959 to $221,973 USD / year

We're hiring a Staff Mechanical Engineer to develop the mechanical design of subsystems within our next-generation battery and support systems. You will take ownership of thermal, fluid,…

Senior Mechanical Engineer

PM Group

Burlington, MA

• $135,000 to $185,000 USD / year

The Senior Mechanical Engineer position is an exciting opportunity to join PM Group’s quickly growing Boston area team in Burlington, MA. Together we will all be sharing knowledge,…