Description
Senior Power Electronics Engineer I
Team: Power & Analog
Location: Westminster, CO
Commitment: Full-time
Workplace Type: onsite
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.
JOB DUTIES AND 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.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- 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
- 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.).
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.
CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, 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.
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