Senior Power Electronics Engineer – Industrial Battery Systems

Sens USA; Longmont (CO); Hybrid; USD 170,000 - 200,000; Full time

Benefits offered by this job

Free gym

EV charging

Cafeteria

Paid time off

401(k)

Job summary

Stored Energy Systems (SENS) in Longmont, CO, is seeking a Power Electronics Engineer IV to design and develop industrial battery chargers, inverters, and related accessories across a wide power range from concept to production. This role requires deep expertise in power conversion and embedded control systems and entails collaboration across engineering, manufacturing, and quality teams.

The successful candidate will lead circuit design, simulations, and validation efforts, while mentoring team

Qualifications

• 8+ years of power conversion experience with a bachelor’s degree in EE or 6+ years with a master’s.
• Experience designing power conversion systems, including active front-end designs for single and three-phase inputs.
• Knowledge of isolation requirements and UL/IEC standards.
• Experience with EMI/EMC design, filtering, and troubleshooting.
• Deep knowledge of MOSFETs, SiC, GaN, gate drivers, and protection circuits.
• Proficiency in LTspice and analog/power circuit simulation.
• Strong foundation in control theory, modeling, and stability analysis.
• Experience with thermal design and analysis.
• Knowledge of magnetics design (transformers/inductors).
• Experience with isolated and non-isolated bidirectional topologies (DAB preferred).
• Hands-on experience with lab instrumentation.
• Proven success bringing products from concept through volume production.
• Strong collaboration and communication across teams.

Responsibilities

• Design, analyze, simulate, prototype, and validate power conversion systems and topologies.
• Develop and implement analog and digital control loops.
• Create and maintain technical documentation such as specs and schematics.
• Conduct design reviews and collaborate cross-functionally with Engineering, Manufacturing, and Quality.
• Support transition to manufacturing with DFM and test readiness.
• Troubleshoot and resolve complex issues in production and field environments.
• Mentor and develop team members to drive continuous improvement.

Skills

Power electronics

AC input designs

SiC/GaN devices

Control theory

Thermal design

Lab instrumentation

LTspice

Embedded C/C++

Grid-tied design

Team collaboration

Education

Bachelor's in Electrical Engineering

Master's in Electrical Engineering

Tools

LTspice

Oscilloscopes

EMI/EMC testing tools

Job description

Stored Energy Systems (SENS) in Longmont, CO, is seeking a Power Electronics Engineer IV to design and develop industrial battery chargers, inverters, and related accessories across a wide power range from concept to production. This role requires deep expertise in power conversion and embedded control systems and entails collaboration across engineering, manufacturing, and quality teams.

The successful candidate will lead circuit design, simulations, and validation efforts, while mentoring team