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Staff Power Electronics Engineer

CesiumAstro

Job Location:

El Segundo, CA - USA

Yearly Salary: USD 165000 - 199000

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 aStaff Power Electronics Engineerto join ourgrowingspacecraft payload developmentteam.In this position you willcontribute across the entire development lifecycleofnext-generationpower electronicshardware for satellites and space power systemspayloadsfromleading the definition 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-DCpower convertersmotor drivesinverterspowermanagementand 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

Leadboardbring-up and design verification testing of power electronics circuits andmodules

Lead systemintegrationqualification campaigns and releaseofanalog and power electronics designsinto production

Mentor younger engineersand foster knowledge sharing

Lead a small team of power electronics engineers to drive project execution

Perform research andmonitorpower electronics industry trends to drive innovation andgenerateintellectual propertyin this area

REQUIREMENTS AND MINIMUM QUALIFICATIONS

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

Minimum of9years of experiencedesigning analogandpower electronics

Experienceworking with electrical power systemsandsubsystems includingdevelopingpower architecture andpower requirementsperformingtrade studiesfor size weight power and costoptimization (SWAP-C)selectingpower convertertopologiesanddefiningpower management and controlblocks

Experiencewith modeling and controlofDC-DC convertersand power stagedesign ofdifferentisolated and non-isolatedDC-DC power converters( regulatorsBuckBoostBuck-boostFlybackForwardHalf-bridgeFull bridgeandResonant converters)

Experience designing customsignal and powermagneticsandpowerfilters for low noise and 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 andSiWave orHyperLynx

Excellent written and verbal communication skills

PREFERRED EXPERIENCE

Master of Science or PhDin Electrical Engineering with research focusin 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 simulation using tools such as AnsysSiWave orHyperLynx

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

Experiencewith power stage design forinverters and motor drives

Knowledge ofmodeling and control of inverters 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 groundingfailure mode effects analysisand fault tolerant designand thermal managementof power electronics

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

Knowledge ofmaximum power pointtracking (MPPT)for solar power applicationsbattery sizing and battery management systemspower conversion forelectric propulsion systems power conditioningpowermanagement andpowerdistributionunitsfor spacecraft technology

Experiencedesigning and testingpower electronics unitsto meetindustry standards and requirementsin theautomotive industrial space ormilitarymarkets( CISPR ULsafetyECSS NASA MIL standards)

$165000 - $199000 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:

Staff IC

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