Please Note:ย 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.
Atย 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 aย Principal Power Electronics Engineerย I (2025538) to join ourย growingย spacecraft payload developmentย team.ย In this position, you willย contribute across the entire development lifecycleย ofย next-generationย power electronicsย hardware for satellites and space power systemsย payloads-fromย leading the definition ofย powerย systemย architectures and trade studies to detailed circuit design, simulation,ย printed circuit board (PCB)ย layout, verification and integration testing,ย production transition,ย and manufacturing support.ย
DUTIES AND RESPONSIBILITIES
Designย DC-DCย power converters,ย motor drives,ย inverters,ย powerย managementย and control circuitsย fromย concept toย productionย releaseย
Perform modeling andย analysisย of analog and power electronics designs includingย worst-case circuit analysisย (WCA),ย stress analysis, small signal modelingย analysis,ย failure modes and effects analysis (FMEA), reliability analysis,ย and power integrity analysisย
Develop design verificationย testย plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plansย forย power converters and power supply designsย
REQUIREMENTS AND MINIMUM QUALIFICATIONS
Experienceย working with electrical power systemsย andย subsystems, includingย developingย power architecture andย power requirements,ย performingย trade studiesย for size, weight, power, and costย optimization (SWAP-C),ย selectingย power converterย topologies,ย andย definingย power management and controlย blocksย ย
Experienceย with modeling and controlย ofย DC-DC convertersย and power stageย design ofย differentย isolated and non-isolatedย DC-DC power convertersย (e.g.ย discreteย linear regulators,ย Buck,ย Boost,ย Buck-boost,ย Flyback,ย Forward,ย Half-bridge,ย Full bridge,ย andย Resonant converters)ย ย
Experience developing design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plansย ย
Experience performingย worst-case circuit analysis (WCA), stress analysis, failure modes and effects analysis (FMEA),ย and reliability analysis for power suppliesย ย ย
Extensive 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 generatorsย
Experience with analysis and simulation tools such as SPICE, LTSPICE,ย SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB,ย MathCAD, ANSYS Q3D andย SiWave, orย HyperLynxย ย
PREFERRED EXPERIENCE
Experience withย soft switching and resonant power converter topologies (e.g.ย LLC, CLLC, series resonant, phase shifted full bridge, dual active bridge, etc.)ย
Experience withย advanced control schemes for DC-DC power converters (e.g.ย voltage mode with feedforward control, constant on-time control, V2ย constant on-time control, phase shift modulation, average current mode control)ย
Knowledge ofย maximum power pointย tracking (MPPT)ย for solar power applications,ย battery sizing and battery management systems,ย power conversion forย electric propulsion systems, power conditioning,ย powerย management, andย powerย distributionย unitsย for spacecraft technologyย ย
Experienceย designing and testingย power electronics unitsย to meetย industry standards and requirementsย in theย automotive, industrial, space orย militaryย marketsย (e.g.,ย FCC, CISPR, ULย safety,ย ECSS, NASA, MIL standards)ย
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.ย Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.ย ย
ย
CesiumAstro is an Equal Opportunity employer.ย All qualified applicants will receive consideration for employment without regard toย 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.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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