Enter a job title or keyword

Senior Power Electronics Engineer

CesiumAstro

Job Location:

El Segundo, CA - USA

Yearly Salary: USD 140000 - 168000

Posted: 21 October 2026 (10 hours ago)

Application Deadline: 18 January 2027

Vacancies: 1 Vacancy

Job Summary

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.

AtCesiumAstro 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 aSeniorPower Electronics Engineerto join our growing spacecraft payload developmentteam.In this position you willcontribute across the entire development lifecycleofnext-generationpower electronicshardware for satellites and space power systemspayloadsfromleading thedefinition ofpowersystemarchitectures and trade studies to detailed circuit design simulationprinted circuit board (PCB)layout verification and integration testingproduction transitionand manufacturing support.

DUTIES AND RESPONSIBILITIES

Define electrical power system architecture and derive power subsystem requirements

DesignDC-DC power converterspower conditioning powermanagementand control circuitsfromconcept toproductionrelease

Perform detailed design forlow to highcomplexity 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 includingworst-case circuit analysis(WCA)stress analysis small signal modelinganalysisfailure modes and effects analysis (FMEA) reliability analysisand 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 boardbring-up and design verification testing of power electronics circuits and modules

Lead systemintegrationqualification campaigns and releaseofanalog and power electronics designsinto 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

REQUIREMENTS AND MINIMUM QUALIFICATIONS

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 requirementsperformingtrade studiesfor size weight power and cost optimization (SWAP-C)selectingpower convertertopologiesanddefining power management and control blocks

Experience with power stagedesign ofcommonDC-DC power convertertopologies ( regulatorsBuckBoostBuck-boost FlybackForward)

Experiencewith 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 performingworst-case circuit analysis (WCA) stress analysis failure modes and effects analysis (FMEA)and reliability analysis for power supplies

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 generators

Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium OrCAD Allegro orXpedition

Experience with analysis and simulation tools such as SPICE LTSPICESIMetrix/SIMPLIS PLECS Simulink MATLABMathCAD ANSYS Q3D andSiWaveorHyperLynx

Excellent written and verbal communication skills

PREFERRED EXPERIENCE

Master of Science or PhD in Electrical Engineering with research focus in power electronics

Experience designing high-reliability analog and power electronics forautomotivespace or defense applications

Knowledge of space radiation environmentsand radiation effects in electronics

Experience in power electronics applications utilizingGaNorSiCwide bandgap power semiconductor devices

Experience running board-level power integrity simulationusingtools such as AnsysSiWave orHyperLynx

Experience designing customsignal and powermagneticsand power filters for low noise and electromagnetic compatibility (EMC)

Knowledge ofsoft switching and resonant power converter topologies ( CLLC series resonant phase shifted full bridge dual active bridge etc.)

Knowledge ofpower stage design forinverters and motor drives

Knowledge ofmodeling and control ofinverters and motor drives

Experience withadvanced control schemes for DC-DC power converters ( mode with feedforward control constant on-time control V2constant 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 electronics

Programming skills to support hardware test and dataprocessing(Python MATLAB etc.)

$140000 - $168000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates 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 torace 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.

Required Experience:

Senior IC

Apply Now