Power Electronics Intern: High-Voltage Propulsion

H3X Technologies Inc.; Louisville, Northern (CO, KY); Hybrid; USD 32,000 - 51,000; Full time

Benefits offered by this job

Flexible hours

Relocation package

Monthly company events

Friday Team Lunches

Job summary

H3X Technologies Inc. is seeking a Power Electronics Intern to assist with design, testing, and validation of high‑voltage power electronic systems for next‑gen electric propulsion.

You will work with seasoned engineers, gaining hands-on experience with lab hardware, PCB assemblies, and manufacturing processes, while applying MATLAB, LTspice, and Simulink tools. This paid, full-scope internship offers Spring 2027 start with options for Summer 2027 and extended Co‑Op, flexible hours, and

Qualifications

• 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.

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.

Skills

Power electronics

High-voltage systems

Electrical engineering

Communication skills

Education

BS in Electrical Engineering or related

Tools

MATLAB

LTspice

Simulink

Altium

Job description

H3X Technologies Inc. is seeking a Power Electronics Intern to assist with design, testing, and validation of high‑voltage power electronic systems for next‑gen electric propulsion.

You will work with seasoned engineers, gaining hands-on experience with lab hardware, PCB assemblies, and manufacturing processes, while applying MATLAB, LTspice, and Simulink tools. This paid, full-scope internship offers Spring 2027 start with options for Summer 2027 and extended Co‑Op, flexible hours, and