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CesiumAstro creates out-of-the-box communication systems for space and airborne platforms.
The Role
Design and develop spacecraft power electronics across the full lifecycle: architecture, DC-DC converter design, simulation, PCB layout, verification, integration testing, and manufacturing support.
Summary Generated by Built In
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 Power Electronics Engineer II (2025417) 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 helping define power system architectures and trade studies to detailed circuit design, simulation, printed circuit board (PCB) layout, verification and integration testing, and manufacturing support.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
- Bachelor of Science (BS) degree or higher in Electrical Engineering from an accredited university
- Minimum of 2 years of experience designing analog and power electronics
- Experience with power stage design of basic DC-DC power converter topologies (e.g. discrete linear regulators, Buck, Boost, Buck-boost)
- Knowledge of voltage mode control and peak current mode control theory for DC-DC converters
- Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium, OrCAD, Allegro or Xpedition
- Hands-on experience with testing and troubleshooting electronics and power converters using laboratory instruments such as oscilloscopes, 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
- Master of Science or PhD in Electrical Engineering with research focus in power electronics
- Experience running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynx
- Experience with power magnetics modeling, design and laboratory characterization
- Experience with control loop modeling and laboratory characterization
- Knowledge of power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devices
- Experience with laboratory characterization of power magnetics
- 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.
Skills Required
- U.S. citizen, lawful permanent resident, conditional resident, asylee or refugee, or eligible to obtain required U.S. Department of State authorizations
- Bachelor of Science (BS) degree or higher in Electrical Engineering from an accredited university
- Minimum of 2 years of experience designing analog and power electronics
- Experience with power stage design of DC-DC power converter topologies (discrete linear regulators, Buck, Boost, Buck-boost)
- Knowledge of voltage mode control and peak current mode control theory for DC-DC converters
- Experience with electronics schematic capture and PCB layout tools such as Altium, OrCAD, Allegro or Xpedition
- Hands-on experience testing and troubleshooting electronics and power converters using oscilloscopes, 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, SiWave, or HyperLynx
- Excellent written and verbal communication skills
- Master of Science or PhD in Electrical Engineering with research focus in power electronics
- Experience running board-level power integrity simulation using tools such as Ansys SiWave, or HyperLynx
- Experience with power magnetics modeling, design and laboratory characterization
- Experience with control loop modeling and laboratory characterization
- Knowledge of power electronics applications utilizing GaN or SiC wide bandgap power semiconductor devices
- Programming skills to support hardware test and data processing (Python, MATLAB, etc.)
CesiumAstro Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CesiumAstro and has not been reviewed or approved by CesiumAstro.
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Healthcare Strength — Health coverage includes medical, dental, vision, life and disability insurance, plus FSAs and mental health benefits. Feedback suggests the health package is comprehensive for a growth-stage aerospace firm.
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Retirement Support — Offerings include a 401(k) with company matching and other retirement-plan elements. Feedback suggests core retirement mechanisms are in place alongside standard financial benefits.
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Leave & Time Off Breadth — Generous PTO, paid holidays, paid sick days, and bereavement leave are included. Feedback suggests time-off options are broad on paper across multiple leave types.
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The Company
What We Do
We build high-throughput, plug-and-play phased array communication payloads for space and airborne platforms. CesiumAstro’s full-stack, multi-mission hardware and software products enable a diverse range of commercial and defense objectives. Full-system engineering design is at the heart of every CesiumAstro product. We deliver high-performance solutions under rapid development timelines.
Why Work With Us
At CesiumAstro, we’re a team. We’re passionate, respectful, and determined colleagues ready to help at a moment’s notice. We’re mentors excited to enable our peers with the knowledge they need to succeed. Together, we’re visionaries committing to building memories that will last a lifetime.
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