Senior Power Electronics Engineer

Senior Power Electronics EngineerAt 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 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 definition 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.Duties And ResponsibilitiesDefine electrical power system architecture, and derive power subsystem requirementsDesign DC-DC power converters, power conditioning, power management and control circuits from concept to production releasePerform detailed design for low to high complexity analog and power electronics circuits ranging from single DC-DC power converters to multi-output power supply modulesPerform modeling and analysis of 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 analysisDevelop design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans for power converters and power supply designsLead board bring-up and design verification testing of power electronics circuits and modulesLead system integration, qualification campaigns, and release of analog and power electronics designs into productionMentor younger engineers and foster knowledge sharingPerform research and monitor power electronics industry trends to drive innovation and generate intellectual property in this areaRequirements And Minimum QualificationsBachelor of Science (BS) degree or higher in Electrical Engineering (or related) from an accredited universityMinimum of 5 years of experience designing analog and power electronicsExperience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocksExperience with power stage design of common DC-DC power converter topologies (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 convertersKnowledge of control theory and stability of power electronics, including experience characterizing control loops and impedances in the laboratoryExperience designing power filters for low noise outputs and for power line electromagnetic compatibility (EMC)Experience developing design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plansExperience performing worst-case circuit analysis (WCA), stress analysis, failure modes and effects analysis (FMEA), and reliability analysis for power suppliesExtensive 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 generatorsExperience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or XpeditionExperience with analysis and simulation tools such as SPICE, LTSPICE, SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB, MathCAD, ANSYS Q3D and SiWave, or HyperLynxExcellent written and verbal communication skillsPreferred ExperienceMaster of Science or PhD in Electrical Engineering with research focus in power electronicsExperience designing high-reliability analog and power electronics for automotive, space or defense applicationsKnowledge of space radiation environments and radiation effects in electronicsExperience in power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devicesExperience running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynxExperience designing custom signal and power magnetics, and power filters for low noise and electromagnetic compatibility (EMC)Knowledge of soft switching and resonant power converter topologies (e.g.

LLC, CLLC, series resonant, phase shifted full bridge, dual active bridge, etc.)Knowledge of power stage design for inverters and motor drivesKnowledge of modeling and control of inverters and motor drivesExperience with advanced control schemes for DC-DC power converters (e.g. voltage mode with feedforward control, constant on-time control, V 2 constant on-time control, phase shift modulation, average current mode control)Experience with isolation and grounding, failure mode effects analysis and fault tolerant design, and thermal management of power electronicsProgramming skills to support hardware test and data processing (Python, MATLAB, etc.)$140,000 - $168,000 a yearCesiumAstro 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.