Senior Power Electronics Engineer

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
Cesium Astro
, 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, Cesium Astro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are seeking a
Senior Power Electronics Engineer 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 leading the defin ide of power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, production transition, and manufacturing support.

• Define electrical power system architecture, and derive power subsystem requirements

• DesignDC-DC power converters,power conditioning, powermanagementand control circuitsfromconcept toproductionrelease

• Perform detailed design forlow to high complexity analog and power electronics circuits ranging from single DC-DC power converters to multi-output power supply modules

• Perform modeling andanalysisof analog and power electronics designs including worst-case circuit analysis(WCA),stress analysis, small signal modeling analysis,failure modes and effects analysis (FMEA), reliability analysis,and power integrity analysis

• Develop design verificationtestplans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plansforpower converters and power supply designs

• Lead board bring-up and design verification testing of power electronics circuits and modules

• Lead system integration,qualification campaigns, and releaseofanalog and power electronics designs into production

• Mentor younger engineers and foster knowledge sharing

• Perform research and monitor power electronics industry trends to drive innovation and generate intellectual property in this area

• Bachelor of Science (BS) degree or higher in Electrical Engineering(or related) from an accredited university

• Minimum of 5 years of experience designing analog and power electronics

• Experience working with electrical power systemsandsubsystems, including developing power architecture and power requirements,performing trade studies for size, weight, power, and cost optimization (SWAP-C),selecting power convertertopologies,and defining power management and control blocks

• Experience with power stage design ofcommonDC-DC power convertertopologies (e.g.discrete linear regulators,Buck,Boost,Buck-boost, Flyback,Forward)

• Experience with voltage mode control and peak current mode control modeling and characterization for DC-DC converters

• Knowledge of control theory and stability of power electronics, including experience characterizing control loops and impedances in the laboratory

• Experiencedesigningpower filters for low noiseoutputsandforpower line electromagnetic compatibility (EMC)

• Experience developing design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans

• Experience performing worst-case circuit analysis (WCA), stress analysis, failure modes and effects analysis (FMEA),and reliability analysis for power supplies

• Extensive h hands-on experience with testing and troubleshooting electronics and power converters using laboratory instruments such as oscilloscopes, impedance analyzers, spectrum analyzers, electronic loads, and signal generators

• Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition

• Experience with analysis and simulation tools such as SPICE, LTSPICE,SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB,MathCAD, ANSYS Q3D andSiWave,orHyper Lynx

• Excellent…