Mechanical Engineering Intern

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!

Mechanical Engineering Interns at Acorn work with Acorn staff and suppliers to design products and bring them to reality. Strong technical design and analysis capabilities are required. As an intern, you will experience and participate in the product design cycle for a variety of products, such as brainstorming, design, analysis, prototyping, and testing.

Mechanical Engineer Intern position is open for our Milpitas California office summer May-August 2026.

Requirements

• On the path to a BSME; MSME desirable
• Creative thinking, ability to generate ideas
• Strong mechanical sense—aptitude for design and problem solving
• Engineering analysis skills, including Structural Analysis and Thermal Analysis
• Good verbal, written, and visual communication
• Good interpersonal and people management skills
• Materials knowledge, including metals and plastics is a big plus
• Familiarity with lab, shop and machine tools
• SolidWorks and/or Pro-Engineer experience, SolidWorks preferred
• Willing to work hard and learn; Enjoy variety and fast-paced atmosphere

Education

• Junior or senior level

Responsibilities

• Assist the Acorn team in defining, designing and developing product solutions based on client requirements
• Participate in brainstorming sessions
• Create sketches to illustrate concept alternatives
• Perform structural, thermal and tolerance analysis of designs
• Create CAD models and documentation of designs
• Prepare project and technical reports and create and maintain BOMS
• Help select and support suppliers for prototyping, tooling and production
• Assemble, test and evaluate prototypes