Cesiumastro2mo ago

Senior Power Electronics Engineer I

Melbourne · MelbourneFull-timesenior

EngineeringPower Electronics EngineerElectronics Engineer

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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,

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EngineeringPower Electronics EngineerElectronics 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 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 I to join our growing spacecraft payload development team. In this position, you will contribute across the entire development life cycle of next-generation power electronics hardware for satellites and space power systems payloads—from working to define 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.

This role will initially be remote, with a planned transition to in-person work once our Florida office is established.

Define electrical power system architecture, and derive power subsystem requirements

Design DC-DC power converters, power management and control circuits from concept to production release

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

Perform 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 analysis

Develop design verification test plans, requirement compliance matrices, system integration and qualification test plans, and production acceptance test plans for power converters and power supply designs

Perform board bring-up and design verification testing of analog and power electronics circuits

Perform system integration, qualification testing, and production release of power supply modules and power systems

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 from an accredited university

Minimum of 4 years of experience designing analog and power electronics

Experience with power stage design ofcommon DC-DC power converter topologies (e.g. discrete linear regulators, Buck, Boost, Buck-boost, Flyback)

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

Experience designing power filters for low noise outputs and for power line electromagnetic compatibility (EMC)

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 and SiWave, or HyperLynx

Excellent written and verbal communication skills

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

Experience designing high-reliability analog and power electronics for automotive, space or defense applications

Knowledge of space radiation environments and radiation effects in electronics

Experience in power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devices

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

Experience running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynx

Experience with power magnetics modeling, design and laboratory characterization

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 drives

Experience with advanced control schemes for DC-DC power converters (e.g. constant on-time control, boundary mode control, average current mode control)

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