Mechanical Engineer- Contractor

Acorn Product Development, Inc.

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Waltham, Massachusetts, US on site Until 8/22/2026 8+ years exp First posted March 13, 2026 Last posted March 13, 2026
Job description

We are a product engineering services company for leading companies around the globe. We embrace collaboration, simplify complex engineering challenges, establish supply chains, and plan for manufacturing and delivery. Our proven expertise, relationships, and processes help our clients bring innovative, reliable, and cost-effective products to market. 

We are looking for Mechanical Engineer (contractors) to work with our team in Waltham, MA.

Local candidates preferred. 

Requirements

  • 8+ years of design and engineering analysis experience w/ a BSME or equivalent (MSME preferred).  
  • Demonstrated success designing and developing products in Robotics, Automation, Networking, Consumer, Medical Devices.   
  • Experience transitioning complex electromechanical products from early concept into production. 
  • Experience defining engineering requirements and hardware architecture for complex systems. 
  • Knowledge of designing molded, sheet metal and machined components.  
  • Experience with mechanisms; motion control is a plus. 
  • Adept at specifying and sourcing off-the-shelf components (e.g. actuators, bearings, fluid handling components)  
  • Proficient with SolidWorks (Creo a plus). 

On-the-job experience in the following areas: 

  • High quality CAD model development and 2D fabrication drawings 
  • Tolerance analysis 
  • FEA and/or CFD 
  • Strength of materials 
  • Heat transfer 
  • Shock & vibration  
  • Hands-on systems bring-up and integration with a cross functional team. 

 

About this role

Summary

Designs and develops electromechanical products transitioning from concept to production.

Job title

Mechanical Engineer- Contractor

Experience level

8+ years

Minimum experience

8+ years exp

Industry

product engineering services

Location requirements

Waltham, MA; remote allowed not specified.

Salary

Not specified

Management role

No

Skills & keywords

Required skills

designengineering analysisSolidWorksFEACFDheat transfertolerance analysismaterials strength

Preferred skills

motion controlCreo

Specializations

mechanical designproduct developmentautomationroboticselectromechanical
Locations

Structured locations inferred from the posting.

Waltham, MA, USA

On-site City