Firmware Engineering Intern, Winter 2026

Mill • San Bruno, CA

7d • Onsite

About The Position

As a Firmware 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 production code. Since we’re a small team, your work and learning will span Development, Testing, and Debug as we push towards launch. This internship is for someone who wants to learn and be creatively challenged.

Requirements

• BS, MS or PhD in Electrical Engineering, Computer Science, Computer Engineering (obtained).
• Ability to work 5 days a week in office at our San Bruno location
• Experience writing and testing embedded C to control electromechanical components and read sensors
• Strong analytical and communication skills.

Nice To Haves

• Experience with embedded linux systems: yocto preferred
• Experience debugging physical hardware using oscilloscopes, network/logic analyzers
• Past experience developing for loadcells, DC motors, PID controllers, DC fans
• Experience with python scripting preferred.
• Experience working with CI/CD pipelines for production code.

Responsibilities

• Work closely with the Mill cross functional team on the embedded software and hardware validation of new products.
• Writing, editing and drafting new embedded code to run on our systems and exploring new ways to control our system.
• Hands-on support debugging systems during commissioning and supporting testing activities by working with electrical engineers, and product designers to troubleshoot and drive system level performance.
• Implementing prototype drivers and testing on hardware systems.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern