Senior Power Electronics Engineer, Aerospace & Defense

Next Matter; Torrance (CA); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Equity

Paid time off

Health benefits

Parental leave

Fitness stipend

EV charging

Job summary

Castelion seeks a Senior Power Electronics Engineer to develop and integrate advanced electrical power systems for flight vehicles. You will design, model, test and validate power electronics hardware in a fast-paced, hardware-driven environment with multidisciplinary teams.

Responsibilities include battery system design, power conversion, and distribution, plus collaboration with avionics and flight software teams to ensure seamless integration across mission phases.

Qualifications

• Bachelor's/Master's/PhD in Electrical Engineering or related field.
• 5+ years in power electronics design, analysis and validation for high-reliability systems.
• Experience with battery systems, power conversion, and embedded/avionics applications.

Responsibilities

• Design and develop power electronics for flight vehicles, including power distribution.
• Lead design of power controllers and power management for all mission phases.
• Analyze battery systems, packaging, thermal aspects and safety.
• Collaborate with avionics, GNC and flight software teams for integration.
• Model and simulate circuits and systems to assess performance and reliability.
• Support hardware bring-up, test campaigns, troubleshooting, and root cause analysis.
• Define qualification and flight test plans and drive system improvements.

Skills

Power electronics

Aerospace experience

Battery systems

Embedded/avionics

Circuit simulation

Lab testing

EMI/EMC

Education

Electrical Engineering degree (Bachelors/Masters/PhD)

Tools

SPICE

MATLAB/Simulink

Job description

Castelion seeks a Senior Power Electronics Engineer to develop and integrate advanced electrical power systems for flight vehicles. You will design, model, test and validate power electronics hardware in a fast-paced, hardware-driven environment with multidisciplinary teams.

Responsibilities include battery system design, power conversion, and distribution, plus collaboration with avionics and flight software teams to ensure seamless integration across mission phases.