Power Electronics Engineering Intern (Spring)

H3X Technologies • Louisville, CO

4d

About The Position

Our team at H3X is hiring Power Electronics Intern. You will contribute to the design, testing, and validation of breakthrough power electronic systems for next-generation electric propulsion. You will work alongside experienced engineers, gaining hands-on experience with high-voltage systems and the manufacturing processes that take ideas from concept to production. We are looking for a full time Spring Intern, but also have availability for Summer 2027 and extended Co-Op positions.

Requirements

• Currently pursuing a BS, MS, or PhD in Electrical Engineering, Computer Engineering, or a closely related field
• Strong electronics fundamentals and project-based electronics experiences
• Strong written and verbal communication skills
• Organized with attention to detail
• Experience or interest in high-voltage systems, power electronics, electric motors
• Curious and motivated by first principles

Nice To Haves

• Coursework or experience in power electronics principles, including converter topologies, semiconductor devices, etc.
• Familiarity with PCB design tools (Altium preferred)
• Experience in simulation tools such as MATLAB, LTspice, Simulink, or similar
• Hands-on experience with circuit prototyping and troubleshooting; comfort with lab instruments and small hand tools
• Experience with scripting and/or software development (Python, C, etc.)

Responsibilities

• Assist in the design, simulation, and testing of power electronic hardware
• Support the development and validation of PCB assemblies and wire harnesses, collaborating with engineering and manufacturing teams to implement new processes
• Conduct simulations and performance analyses using industry-standard tools (MATLAB, LTspice, Simulink) to validate system performance and identify optimization opportunities
• Participate in troubleshooting and root cause analysis for hardware issues, assisting in implementing corrective actions and documenting outcomes
• Assist with test setup, measurement, and evaluation of prototypes and production units, including high-voltage system operation under lab safety guidelines
• Contribute to technical documentation, including test reports and manufacturing instructions for PCB and wire harness assemblies
• Stay updated on latest trends and advancements in power electronics

Benefits

• Salary/Hourly Compensation Range: $23 - $37/hr based on school level & experience
• Flexible hours (deliverable-based goals)
• Relocation package
• Monthly company events
• Friday Team Lunches

What This Job Offers

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