What to Expect

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Consider before submitting an application:  

This position is expected to start around January 2026 and continue through the Winter/Spring term (ending approximately May 2026) or continuing into Summer 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. Recent graduates seeking employment after graduation and not returning to school should apply for full-time positions, not internships.

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International Students: If your work authorization is through CPT, please consult your school on your ability to work 40 hours per week before applying. You must be able to work 40 hours per week on-site. Many students will be limited to part-time during the academic year.  

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Internship Program at Tesla  

The Internship Recruiting Team is driven by the passion to recognize and develop emerging talent. Our year-round program places the best students in positions where they will grow technically, professionally, and personally through their experience working closely with their Manager, Mentor, and team. We provide an experience that allows the intern to experience life at Tesla by including them in projects that are critical to their team’s success.

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As an Embedded Systems Software Engineering Intern on the High Voltage System (HVS) Team, you will have the opportunity to help deliver the high-quality software that enables our vehicles to be the best in the world. The team develops all the software required to make our products (past, present, and future) the best they can be by writing low-level firmware drivers, implementing software algorithms, and designing and building validation/test infrastructure. The HVS team places an especially large emphasis on ensuring we deliver a product that is safe, reliable, has high-quality user-facing indicators (i.e. range, SOC, power, etc.), and optimizes our overall customer experience. Your efforts with the team to engineer robust, scalable, and performant systems would directly contribute to meeting each of those goals.

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What You’ll Do

Your application for the HVS Internship will be considered across all opportunities for the team listed below:  

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Firmware Development

• Develop low-level FW drivers to support new and existing microcontrollers
• Design and implement real-time software algorithms for features across the high voltage system including the battery management system, power conversion system, the charge port, and more. Various features include state of charge (SOC) estimation, power estimation, AC-DC conversion, DC-DC conversion, and supporting new charging protocols among many other features
• Work with various cross-functional teams to develop requirements and test plans for new software features, diagnostics, algorithms, etc.

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Validation Infrastructure

• Develop scalable software-in-the-loop (SIL) and hardware-in-the-loop (HIL) infrastructure for rapid prototyping, simulation, and validation
• Develop and enhance existing battery and hardware models to ensure simulations are representative of the real-world
• Design simulation frameworks that are flexible to being integrated both with other Tesla subcomponents as well as behavioral models for those subcomponents.

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What You’ll Bring

• Currently working towards a degree in Electrical Engineering, Computer Engineering, Software Engineering, Mechatronics, or a related field of study with a graduation date between May 2026 – May 2027
• Proficiency in C and/or C++ as well as python
• Strong software fundamentals
• Experience working with large-scale coding projects over an extended period
• Experience with real-time systems and embedded microprocessor tools
• Experience with control systems
• Experience with fundamental hardware components and their analysis tools
• Experience with reading datasheets and hardware schematics

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