CesiumAstro · 3 hours ago
Senior Power Electronics Engineer I
El Segundo, CA
Full-time
Onsite
Mid, Senior Level
$115K/yr - $150K/yr
4+ years expCesiumAstro is a developer of innovative communication systems for satellites and airborne platforms. The Senior Power Electronics Engineer I will be responsible for the development and testing of power electronics hardware, contributing to both military and commercial applications.
AerospaceDronesSatellite CommunicationSpace Travel
No H1B
U.S. Citizen Only
Responsibilities
Contribute across the entire development lifecycle of next-generation power electronics hardware for military and commercial power systems
Leading the definition of power system architectures and trade studies
Detailed circuit design
Simulation
Printed circuit board (PCB) layout
Verification and integration testing
Production transition
Manufacturing support
Qualification
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
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
Strong laboratory testing and troubleshooting experience for prototyping, design verification testing and qualification of analog and power electronics hardware
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.)
Benefits
Company stock options
Health
Dental
Vision
HSA
FSA
Life
Disability
Retirement plans
Company
CesiumAstro
CesiumAstro provides out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$385.24MKey Investors
Export-Import Bank of the United StatesTrousdale VenturesAirbus Ventures
2026-01-15Debt Financing· $200M
2024-06-18Series B· $65M
2024-02-13Series Unknown· $30M
Recent News
2026-01-17
Bizjournals.com Feed (2025-11-12 15:43:17)
2026-01-16
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