Senior Power Electronics Engineer

Qualifications Bachelor's, Master's, or PhD in Electrical Engineering or related field 5+ years of experience in power electronics design, analysis, and validation for aerospace, defense, or other high-reliability systems Strong background in battery systems, power conversion (DC-DC), and power distribution architectures Experience designing power controllers and power management systems for embedded or avionics applications Proficiency in circuit design, simulation, and analysis tools (e.g., SPICE, MATLAB/Simulink, or equivalent) Experience with hardware bring-up, test, and troubleshooting in a lab or flight hardware environment Familiarity with thermal management, EMI/EMC considerations, and ruggedized electronics design Strong problem-solving mindset, thriving in a fast-paced, hardware-rich, high flight cadence environment Other Duties Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or

responsibilities that are required of the employee for this job. Duties,

responsibilities and activities may change at any time with or without notice.

Benefits And

Perks All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health

benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy

perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day. While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Affirmative Action/EEO Statement Employment with Castelion is governed on the basis of competence and

qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.