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Waltham, United States

Senior Mechanical Engineer- Waltham

Acorn Product Development, Inc. · Waltham · United States

Mechanical Engineer

Posted: 8/27/2026 · Last checked: 10/11/2026

Job description

Quoted in full from Acorn Product Development, Inc.'s job posting. Gavroche does not edit it.

Acorn Product Development is a top innovator in product design and engineering for global manufacturability. Acorn has offices in Silicon Valley, Boston, Denver and China.

Each year, key Fortune 100 and 500 companies – as well as numerous hot start-ups -- hire Acorn to participate in the design of their latest product offerings.  Our design talents are focused on consumer products, robotics, industrial, communications, and medical devices.

Working at Acorn is an engineer’s dream. You will learn more, grow faster, work with an excellent team and be appreciated for your contributions.If our requirements fit your background, we want to talk with you!

Requirements

  • 8+ years of design and engineering analysis experience w/ a BSME or equivalent (MSME preferred).
  • Demonstrated success developing robotic and/or automated hardware systems. 
  • Hands-on project management experience with interdisciplinary teams.
  • Experience transitioning at least two complex electromechanical products from early concept into production.
  • Experience defining engineering requirements and hardware architecture for complex systems.
  • Working knowledge of designing molded, sheet metal and machined components.
  • Adept at specifying and sourcing off-the-shelf components (e.g. actuators, bearings, fluid handling components)
  • Proficient with SolidWorks (Creo a plus) and preparing engineering documentation per ASME Y14.5 for production release.
  • On-the-job analysis experience in at least three of the following areas:

-Tolerance analysis

-FEA and/or CFD

-Strength of materials

-Heat transfer

-Shock & vibration

Position is open for our Waltham, MA office.

 Key Responsibilities:

  • Broaden the breadth and depth of your technical knowledge and leadership skills.
  • Mentor junior engineers and provide technical leadership across multiple projects.
  • Support the development and maintenance of accurate project plans and proposals.
  • Work with clients to identify requirements; brainstorm, define and develop product solutions.
  • Collaborate with ID/UX/UI teams to produce refined product designs.
  • Identify and perform mechanical engineering analyses.
  • Create detailed designs/documentation to meet project objectives.
  • Interface with vendors for prototyping, tooling & production.
  • Test and evaluate prototypes, tooling and first articles.
  • Create project and technical reports as required.

Benefits

Competitive salaries, paid time off, medical, dental & vision insurance, life insurance and disability benefits, 401k, health care spending accounts, quarterly and annual company events and much more.

130,000 - 160,000k


Similar roles in Waltham

200 open roles like this one; at most three per employer shown.

What mechanical engineer adverts in the United States state

Middle half: 125,000 – 178,950 USD a year; median 155,000 USD.

From 562 adverts by 118 employers that state a salary, annualised.

How mechanical engineer roles in the United States are worked

0% fully remote · 7% hybrid · 93% do not say

Of 205 adverts. An advert that does not state a work mode is counted as not saying, not as on-site.

New openings in Waltham, by week

  1. 7/20/2026 2
  2. 7/27/2026 6
  3. 8/3/2026 4
  4. 8/10/2026 4
  5. 8/17/2026 11
  6. 8/24/2026 12
  7. 8/31/2026 9
  8. 9/7/2026 24
  9. 9/14/2026 28
  10. 9/21/2026 19
  11. 9/28/2026 39
  12. 10/5/2026 30
  13. 10/12/2026 1

189 openings over 12 weeks, by the week they were published.

Other roles at Acorn Product Development, Inc.

6 open.