Power Electronics Engineer II

Roman Health Pharmacy LLC; El Segundo (CA); On-site; USD 106,500 - 142,500; Full time

Benefits offered by this job

Health, dental, and vision insurance

Life and disability insurance

Retirement plans

Job summary

CesiumAstro in El Segundo, California, is looking for a Power Electronics Engineer II to join our spacecraft payload development team. This role involves contributing to the entire lifecycle of next-generation power electronics hardware for satellites. Ideal candidates will have a Bachelor’s in Electrical Engineering and at least 2 years of experience in analog design.

Responsibilities include defining power system architectures, conducting trade studies, and supporting testing and integration efforts. We offer a competitive salary between $106,500 and $142,500, stock options, and a robust benefits package.

Qualifications

• Minimum of 2 years of experience designing analog and power electronics.
• Knowledge of voltage mode control for DC-DC converters.
• Experience with analysis and simulation tools.

Responsibilities

• Contribute to development lifecycle of power electronics hardware.
• Define power system architectures and conduct trade studies.
• Support verification and integration testing of power systems.

Skills

Designing analog and power electronics

Power stage design of DC-DC converters

Hands-on experience with testing electronics

Excellent written and verbal communication skills

Education

Bachelor of Science in Electrical Engineering

Tools

Altium

MATLAB

SPICE

Job description

Please Note:To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross‑functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands‑on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward‑thinking individuals to join our team.

We are seeking a Power Electronics Engineer II (2025417) to join our growing spacecraft payload development team. In this position, you will contribute across the entire development lifecycle of next‑generation power electronics hardware for satellites and space power systems payloads—from helping define power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, and manufacturing support.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

• Bachelor of Science (BS) degree or higher in Electrical Engineering from an accredited university
• Minimum of 2 years of experience designing analog and power electronics
• Experience with power stage design of basic DC‑DC power converter topologies (e.g. discrete linear regulators, Buck, Boost, Buck‑boost)
• Knowledge of voltage mode control and peak current mode control theory for DC‑DC converters
• Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition
• Hands‑on experience with testing and troubleshooting electronics and power converters using laboratory instruments such as oscilloscopes, spectrum analyzers, electronic loads, and signal generators
• Experience with analysis and simulation tools such as SPICE, LTSPICE, SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB, MathCAD, ANSYS Q3D and SiWave, or HyperLynx
• Excellent written and verbal communication skills

PREFERRED EXPERIENCE

• Master of Science or PhD in Electrical Engineering with research focus in power electronics
• Experience running board‑level power integrity simulation using tools such as Ansys SiWave, or HyperLynx
• Experience with power magnetics modeling, design and laboratory characterization
• Experience with control loop modeling and laboratory characterization
• Knowledge of power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devices
• Experience with laboratory characterization of power magnetics
• Programming skills to support hardware test and data processing (Python, MATLAB, etc.)

$106,500 - $142,500 a year

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full‑time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.