Prototype & Demo Mechanical Design Engineer – Onsite Waltham

The Matlen Silver Group, Inc.; Waltham (MA); On-site; USD 62,000 - 76,000; Full time

Benefits offered by this job

Health, vision, and dental insurance (

401(k) plan (employee contributions)

Job summary

The Matlen Silver Group, Inc. in Waltham, MA is seeking a Mechanical Design Engineer for a 6-month contract-to-hire. The role emphasizes hands-on design, prototyping, and integration with engineering and commercial teams.

The ideal candidate has 2–3 years of mechanical design experience, strong CAD skills (SolidWorks preferred), and a pragmatic, detail-oriented mindset to deliver fully functional demonstration systems onsite.

Qualifications

• Requires a Bachelor's in Mechanical Engineering or related field.
• 2–3 years in mechanical engineering, product design, or design engineering.
• Hands-on CAD experience, SolidWorks preferred.

Responsibilities

• Design, fabricate, assemble, test, and improve mechanical components and assemblies.
• Support prototypes, validation, and product development activities.
• Troubleshoot issues and implement design improvements.
• Create and maintain engineering documentation, BOMs, and assembly instructions.
• Manage demo-kit components, parts inventory, and shipping prep.

Skills

Onsite engineering

Communication

Project management

Education

Bachelor's degree in Mechanical Engineering

Tools

SolidWorks

CAD

Prototyping

Testing

BOMs

Documentation

Inventory management

Job description

The Matlen Silver Group, Inc. in Waltham, MA is seeking a Mechanical Design Engineer for a 6-month contract-to-hire. The role emphasizes hands-on design, prototyping, and integration with engineering and commercial teams.

The ideal candidate has 2–3 years of mechanical design experience, strong CAD skills (SolidWorks preferred), and a pragmatic, detail-oriented mindset to deliver fully functional demonstration systems onsite.