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CesiumAstro · 6 hours ago

Senior Power Electronics Engineer I

Denver Metropolitan Area

Full-time

Onsite

Mid, Senior Level

$90K/yr - $130K/yr

4+ years exp

CesiumAstro is a pioneer in developing communication systems for satellites and airborne platforms. They are seeking a Senior Power Electronics Engineer I to contribute to the development lifecycle of power electronics hardware for military and commercial power systems, focusing on design, testing, and integration of power systems.

AerospaceDronesSatellite CommunicationSpace Travel

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

Define electrical power system architecture, and derive power subsystem requirements

Design DC-DC power converters, power supplies, and power distribution systems ranging from a few watts to more than 20 kW of power in the 0.8 V to 400 V range

Design single-phase and three-phase AC-DC power supplies and power distribution systems ranging from a few kilowatts to more than 20 kW

Perform comprehensive analysis of AC-DC and DC-DC power supplies 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 supplies

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

Qualification

Power electronics designDC-DC power convertersAC-DC power suppliesCircuit analysisControl theoryPower integrity analysisTestingTroubleshootingSimulation toolsCommunication skillsTeam collaboration

Required

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

Preferred

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

Experience with power stage design and testing of common 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.)