Senior Power Electronics Engineer I

United States·El SegundoFull-timesenior

EngineeringOtherPower 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, asylee or refugee (protected individuals as defined by 8 U.S.C.

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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, 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 satellite communication (SATCOM) terminal development team. In this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for military and commercial power systems—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.

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 testing single-phase and three-phase off-line AC-DC power supplies, and DC-DC power supplies for industrial, airborne, or military systems

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 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

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

Minimum of 4 years of industry or university research experience in board-level power electronics design, analysis, and test.

Experience owning the design phase of circuits or boards, including trade studies, component selection, and detailed design.

Experience performing or guiding complex PCB layout for analog and power electronics.

Experience with analysis and simulation tools such as SPICE, LTSPICE, SIMetrix/SIMPLIS, PLECS, Simulink, MATLAB, or MathCAD.

Strong laboratory testing and troubleshooting experience for prototyping, design verification testing and qualification of analog and power electronics hardware.

Excellent written and verbal communication skills.

Experience designing high-reliability power supplies for automotive, industrial or defense applications

Experience with power stage design and testing 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 for DC-DC converters

Experience generating statements of work and requirements for external vendors, vendor selection, and vendor management for power supply and power system rack developments

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 with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition

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

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