Power Electronics Intern — High-Voltage Prototyping

H3X Technologies; Louisville (CO); On-site; USD 32,000 - 51,000; Full time

Benefits offered by this job

Salary/Hourly Compensation Range: $23–

Relocation package

Monthly company events

Friday Team Lunches

Job summary

H3X Technologies is seeking a Power Electronics Intern to join our team in the United States. You will contribute to the design, testing, and validation of breakthrough power electronic systems for next‑generation electric propulsion, working with experienced engineers on high‑voltage projects.

You will gain hands‑on experience with high‑voltage systems and manufacturing processes, collaborating across design, test, and production to move ideas from concept to production.

Qualifications

• Pursuing BS/MS/PhD in Electrical Engineering, Computer Engineering, or closely related field.
• Solid 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 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

Strong electronics fundamentals

Project-based electronics experiences

Strong written and verbalcommunication

Organized with attention to detail

Experience or interest in high-voltage

Curious and motivated by firstprincip

Education

BS/MS/PhD in Electrical Engineering or Computer Engineering

Tools

Altium

MATLAB

LTspice

Simulink

Python

C

Job description

H3X Technologies is seeking a Power Electronics Intern to join our team in the United States. You will contribute to the design, testing, and validation of breakthrough power electronic systems for next‑generation electric propulsion, working with experienced engineers on high‑voltage projects.

You will gain hands‑on experience with high‑voltage systems and manufacturing processes, collaborating across design, test, and production to move ideas from concept to production.