Top 21 Startup mechanical engineer Jobs in Boston Ma

Mechanical Engineer II (NPI)
WHOOP —Boston, MA
- $110,000 - $150,000 a year
- Full-time
- Mid-level
- Office
- Travel
Mechanical Engineer II (Continuous Improvement)
WHOOP —Boston, MA
- $110,000 - $150,000 a year
- Full-time
- Mid-level
- Office
- 3 years
Structural Design Engineer
Electrified Thermal —Charlestown, MA
- Full-time
- Hybrid work
- Construction site
- Bachelor of Science
- Analysis skills
- Commuter assistance
- Paid parental leave
Quick Apply
4d
Mechanical Engineer
Nanopath —Cambridge, MA
- Bachelor of Science
- Mid-level
- 3 years
Quick Apply
Senior Product Development Engineer
Quadratic 3D —Somerville, MA
- Bachelor of Science
- 3 years
- Analysis skills
Quick Apply
Mechanical Engineer
Ozlo —Marlborough, MA
- $130,000 - $180,000 a year
- Full-time
- Hybrid work
- 5 years
- Bachelor of Science
- Office
- Disability insurance
- Health insurance
Quick Apply
Senior Mechanical Engineer (Continuous Improvement)
WHOOP —Boston, MA
- $140,000 - $195,000 a year
- Full-time
- Bachelor of Science
- Office
- 3 years
Mechanical Engineer
Johnson Controls —Burlington, MA
- $86,000 - $105,000 a year
- Full-time
- Engineering
- Mid-level
- Linux
- Paid holidays
- Health insurance
Mechanical Design Engineer
Nanobiosym —Cambridge, MA
- $60,000 - $130,000 a year
- Full-time
- Engineering
- Master's degree
- Welding
Quick Apply
Thermal Test Engineer
Alloy Enterprises —Burlington, MA
- $75,000 - $90,000 a year
- Full-time
- Mid-level
- US work authorization
- Software development
Senior Mechanical Design Engineer
RISE Robotics —Somerville, MA
- $150,000 - $175,000 a year
- Full-time
- Hybrid work
- 6 years
- Office
- Analysis skills
- Free parking
- Disability insurance
Quick Apply
Mechanical Engineering Manager, Process Equipment
Boston Materials —Billerica, MA
- $170,000 - $210,000 a year
- Full-time
- 3 years
- US work authorization
- Senior level
- Paid parental leave
- Paid holidays
Quick Apply
Manufacturing Test Engineer
Anduril Industries —Quincy, MA
- $129,000 - $171,000 a year
- Email
- Mid-level
- Experience equivalent to degree accepted
- Electrical Engineering
Quick Apply
Cryogenic Engineer
Type One Energy —Woburn, MA
- Full-time
- Hybrid work
- Mid-level
- Master's degree
- Analysis skills
Quick Apply
3d
Field Test Engineer, Maritime
Anduril Industries —Quincy, MA
- $99,000 - $130,000 a year
- Email
- Customer service
- 3 years
- Ability to lift 50 pounds
Quick Apply
Physics AI - Thermal-Mechanical Reliability
Flexcompute Inc. —Watertown, MA
- Doctor of Philosophy
- Mentoring
- Recruiting
- Health insurance
- Dental insurance
Quick Apply
Lead of Thermal Systems & Simulation (Semiconductor)
Flexcompute Inc. —Watertown, MA
- Hybrid work
- Doctor of Philosophy
- Mentoring
- Recruiting
- Health insurance
- Dental insurance
Quick Apply

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HVAC Engineer
Frontier Energy —Worcester, MA
The HVAC Engineer is responsible for driving high‑value technical assistance initiatives for commercial utility programs. Pay: $75,000.00 - $85,000.00 per year.
$75,000 - $85,000 a year
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Mechanical Engineer, Robotics
NDimensions Labs —Boston, MA
Solid grounding in mechanism design, tolerance analysis, materials selection, and design for manufacturability.
$100,000 - $300,000 a year

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Principal Vehicle Platform Engineer - Fleet-as-a-Service (FaaS) Program
Honda —Marysville, OH
This role holds accountability for the overall vehicle platform, including integration across all systems and final technical outcomes, and operates as the…
$128,300 - $192,400 a year

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startup mechanical engineer jobs near boston ma

Mechanical Engineer II (NPI)

WHOOP -
Boston, MA

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Job Details

Full-time
$110,000 - $150,000 a year

Qualifications

Configuration management

Full Job Description

Location

Boston, MA

Employment Type

Full time

Location Type

On-site

Department

Hardware

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.

As a Mechanical Engineer II on the Hardware NPI Team at WHOOP, you will contribute to the design and development of WHOOP’s innovative hardware solutions - rechargeable energy accessories. You thrive in a fast-paced, execution-driven setting and can drive creative mechanical design solutions with independence and sound technical judgement. You’ll work alongside a multidisciplinary team of engineers and designers to help bring innovative concepts to life, supporting prototyping, mechanical design, and testing efforts. You will work closely with our suppliers and contract manufacturers around the world to execute engineering validation builds with a focus on high quality deliverables, sharp engineering risk management, clear technical communication upwards and externally, and commitment to product excellence. This is a great opportunity for an engineer with a solid technical foundation to grow their skills in a dynamic, fast-paced environment while contributing to impactful projects in early-stage product development. WHOOP operates with urgency because our mission demands it. We build products for people who push their limits—and we hold ourselves to the same standard. If you’re energized by complex challenges, cross-functional collaboration, and the opportunity to ship hardware at scale, this role will push you—and reward you.

RESPONSIBILITIES:

Own critical parts of the next generation Whoop Hardware Products
Design, prototype, and test complex mechanical components around microelectronics, meeting stringent technical, performance, and industrial design requirements to guide projects from concept through manufacturing release.
Develop and present multiple design solutions for novel and complex technical challenges, articulating them clearly to cross-functional teams and documenting design process and specifications thoroughly.
Generate technical documentation such as 3D files, 2D drawings, bills of material (BOM’s), and Engineering Change Orders (ECO’s) following product development cycle timeline
Communicate engineering requests and changes to vendors and contract manufacturers as the product development cycle progresses
Support planning and execution of verification and validation plans, leveraging design of experiments (DOE) methodologies to drive understanding, uncover insights, and deliver actionable results that enhance product quality, performance, and manufacturability.
Support and perform thorough engineering root cause analyses to identify and resolve issues
Collaborate with senior engineers to evaluate new technologies and manufacturing methods.
Up to 20% travel to contract manufacturers and suppliers internationally

QUALIFICATIONS:

Bachelor’s degree in Mechanical Engineering or related field.
2+ years of experience in the design of complex mechanical products, preferably for consumer electronics, wearables, or medical devices.
Experience with SolidWorks CAD best practices, including advanced assemblies, complex surfacing, configuration management and applying DFx feedback.
Hands-on experience in operating and maintaining rapid prototyping tools to craft proof-of-concept models.
Strong communication skills and comfort working with cross-functional teams and external partners.
Experience in high-quality consumer electronics or wearable technologies preferred.
Familiarity with validation testing methods and statistical analysis tools preferred.
Experience with high-volume manufacturing processes (e.g., injection molding, sheet metal design, metal injection molding) and manual assembly preferred.
Working experience in a fast-paced or startup environment preferred.
A passion for health, or wearable technologies; and designing human-centered solutions in this space.

This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.

Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.

WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibility

The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.

At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.

The U.S. base salary range for this full-time position is $110,000-$150,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.

In addition to the base salary, the successful candidate will also receive benefits and a generous equity package.

These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.

Apply Now

Refine Your Search

startup mechanical engineer jobs in boston ma

Mechanical Engineer II (NPI)

Mechanical Engineer II (Continuous Improvement)

Structural Design Engineer

Mechanical Engineer

Senior Product Development Engineer

Mechanical Engineer

Senior Mechanical Engineer (Continuous Improvement)

Mechanical Engineer

Mechanical Design Engineer

Thermal Test Engineer

Senior Mechanical Design Engineer

Mechanical Engineering Manager, Process Equipment

Manufacturing Test Engineer

Cryogenic Engineer

Field Test Engineer, Maritime

Physics AI - Thermal-Mechanical Reliability

Lead of Thermal Systems & Simulation (Semiconductor)

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