Bachelor's degree in Electrical Engineering or related field.
9+ years of experience in analog and power electronics design.
Proficient in developing power system architectures and trade studies.
Hands-on experience with DC-DC converter modeling and design.
Skilled in PCB layout tools like Altium or OrCAD.
Experience with simulation tools such as SPICE or MATLAB.
Strong communication skills, both written and verbal.
Responsibilities
Define electrical power system architecture and derive subsystem requirements.
Design and develop DC-DC power converters and control circuits from concept to production.
Conduct detailed design for various analog and power electronics circuits.
Perform modeling and analysis of designs, including worst-case and reliability analyses.
Develop design verification and production acceptance test plans.
Lead board bring-up and design verification testing of power electronics modules.
Mentor junior engineers and lead a small team in project execution.
Benefits
Company stock options.
Health, dental, and vision insurance.
Health Savings Account (HSA) and Flexible Spending Account (FSA).
Life and disability insurance.
Retirement plans.
Full Job Description
We are seeking a Staff Power Electronics Engineer to join our growing spacecraft payload development team. In this position, you will contribute across the entire development lifecycle of next-generation power electronics hardware for satellites and space power systems payloads-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.
DUTIES AND RESPONSIBILITIES
Define electrical power system architecture, and derive power subsystem requirements
Design DC-DC power converters, motor drives, inverters, 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
Lead board bring-up and design verification testing of power electronics circuits and modules
Lead system integration, qualification campaigns, and release of analog and power electronics designs into production
Mentor younger engineers and foster knowledge sharing
Lead a small team of power electronics engineers to drive project execution
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 9 years of experience designing analog and power electronics
Experience working with electrical power systems and subsystems, including developing power architecture and power requirements, performing trade studies for size, weight, power, and cost optimization (SWAP-C), selecting power converter topologies, and defining power management and control blocks
Experience with modeling and control of DC-DC converters and power stage design of different isolated and non-isolated DC-DC power converters (e.g. discrete linear regulators, Buck, Boost, Buck-boost, Flyback, Forward, Half-bridge, Full bridge, and Resonant converters)
Experience designing custom signal and power magnetics, and power filters 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 performing worst-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 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
PREFERRED EXPERIENCE
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 running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynx
Experience with soft switching and resonant power converter topologies (e.g. LLC, CLLC, series resonant, phase shifted full bridge, dual active bridge, etc.)
Experience with power stage design for inverters and motor drives
Knowledge of modeling and control of inverters and motor drives
Experience with advanced control schemes for DC-DC power converters (e.g. voltage mode with feedforward control, constant on-time control, V2 constant 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 data processing (Python, MATLAB, etc.)
Knowledge of maximum power point tracking (MPPT) for solar power applications, battery sizing and battery management systems, power conversion for electric propulsion systems, power conditioning, power management, and power distribution units for spacecraft technology
Experience designing and testing power electronics units to meet industry standards and requirements in the automotive, industrial, space or military markets (e.g., FCC, CISPR, UL safety, ECSS, NASA, MIL standards)
CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate's 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.
About CesiumAstro
CesiumAstro is a technology company that provides advanced communications systems for satellite and space-based applications. The company's systems use advanced software-defined radio technology to provide high-bandwidth, low-latency communications for a variety of applications, including remote sensing, earth observation, and satellite communications. CesiumAstro's systems are designed to be highly modular and scalable, allowing them to be easily integrated into a wide range of satellite and space-based platforms. The company was founded in 2017 and is based in Austin, Texas.
