Product Design Engineering Intern, Summer 2027

MillMillSan Bruno, California, United States
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Posted

9/24/2026

Employment

Internship

Range

$35 - $45/hr

Work style

On-site

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AI summary

Core responsibilities

Collaborate with cross-functional teams to design and validate new products, develop prototypes, and conduct tests to advance designs toward mass production. Support CAD design, engineering builds, supplier and contract manufacturer coordination, and troubleshooting manufacturing quality issues.

Requirements overview

Applicants must be pursuing or have completed a BS, MS, or PhD in Mechanical Engineering and have working knowledge of manufacturing processes and material selection for electromechanical systems. They should be proficient in 3D CAD, preferably NX, and rapid prototyping, with strong analytical and communication skills; experience with FEA, thermal simulation, statistical analysis, and high-volume manufacturing design is preferred.

Key skills

Mechanical EngineeringManufacturing ProcessesMaterial SelectionElectromechanical Systems3D CADNXRapid PrototypingPrototype DevelopmentProduct TestingDesign Validation2D DocumentationSupplier CollaborationManufacturing Quality TroubleshootingAnalytical SkillsCommunication SkillsDesign for Manufacturing and Assembly

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Education requirements

bachelor degreepostgraduate degree

About Mill

Industry

Environmental Services

Employees

538

Type

Privately Held

Size

51-200 employees

Mill makes it easy to keep food out of landfills with innovative food recycling solutions for homes, workplaces, and cities.

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Job categories

EngineeringManufacturingEnvironmental & SustainabilityArt & Design

Description

Mill is a waste prevention technology company reimagining what it means to eliminate waste, starting with food. We build smart systems and infrastructure for homes, businesses, and municipalities that transform food scraps from landfill-bound waste into valuable resources, including chicken feed. Tens of thousands of Mill’s residential food recyclers are already helping households divert millions of pounds of food scraps every year, paving the way for our upcoming launch of Mill Commercial—the industry’s first end-to-end solution for managing, understanding, and preventing food waste in commercial environments (e.g. grocery, restaurants, food services). At Mill, we are passionate about building easy-to-use, beautifully designed technologies that keep food in the food system and out of landfills. As a Product Design Engineering intern at Mill, you’ll be working with a tight-knit, fast-paced team on a novel consumer product. Your day-to-day will include hands-on work with hardware components and lab equipment as well as CAD design tools like NX. Since we’re a small team, your work and learning will span design, tooling, and testing as we push towards launch. This internship is for someone who wants to learn and be creatively challenged. Responsibilities Work closely with the Mill cross functional team on the design and validation of new products. Develop prototypes and execute tests in order to drive design towards mass production maturity. Support 3D CAD design and 2D documentation. Support engineering build activities, partnering with suppliers and CMs to troubleshoot and resolve manufacturing quality issues. Minimum Qualifications BS, MS or PhD in Mechanical Engineering (obtained or in progress) Working knowledge of manufacturing processes and material selection for the design and development of electro-mechanical systems. Proficient in 3D CAD (prefer Nx). Proficient in a variety of rapid prototyping methods. Strong analytical and communication skills. Preferred Qualifications Experience with simulation tools (FEA and thermal) and statistical analysis methods. Experience with designing for high volume manufacturing (DFM/DFA). The estimated base hourly range for this position is $35 to $45, which does not include the value of benefits or a potential equity grant. A wide range of factors are considered in making compensation decisions, including but not limited to skill sets, market conditions, experience and training, licensure and certifications, and business and organizational needs. Applicants must be authorized to work for any employer in the U.S. We are unable to sponsor an employment visa for this role

Requirements

  • •Mechanical Engineering
  • •Manufacturing Processes
  • •Material Selection
  • •Electromechanical Systems
  • •3D CAD
  • •NX
  • •Rapid Prototyping
  • •Prototype Development
  • •Product Testing
  • •Design Validation
  • •2D Documentation
  • •Supplier Collaboration
  • •Manufacturing Quality Troubleshooting
  • •Analytical Skills
  • •Communication Skills
  • •Design for Manufacturing and Assembly

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