Demo

Senior Mechanical Engineer

Acorn Product Development, Inc.
Waltham, MA Full Time
POSTED ON 3/11/2026
AVAILABLE BEFORE 5/11/2026

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!

  • 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

  • Ability to work with distributed teams in a fast-paced product development environment.
  • Strong written and oral communication skills.
  • Familiarity with regulatory requirements and certification processes.
  • Hands-on shop/lab skills.

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.

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.


Salary.com Estimation for Senior Mechanical Engineer in Waltham, MA
$117,410 to $141,093
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Not the job you're looking for? Here are some other Senior Mechanical Engineer jobs in the Waltham, MA area that may be a better fit.

  • FIRSTCALL MECHANICAL GROUP LLC Brighton, MA
  • A FirstCall Mechanical Company SENIOR CONTROLS ENGINEER Location: Boston, MA WHO IS FIRSTCALL MECHANICAL? LC Anderson is a commercial and industrial HVAC/R... more
  • 30 Days Ago

  • Anduril Industries Quincy, MA
  • Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing ... more
  • 4 Days Ago

AI Assistant is available now!

Feel free to start your new journey!