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Power Electronics Engineer II

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 looking to add a Power Electronics Engineer II to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about developing leading-edge power electronics for satellites, spacecraft, and aerospace systems, we would like to hear from you.

 

In this position, you will be designing power electronics circuits through all stages of the development process. The three primary product areas for this position are (1) lithium-ion battery packs with cell management electronics, (2) optimized point-of-load converters for RF and digital modules (typically ranging from 1W to 50W), and (3) standalone isolated dc-dc converter modules (typically 20W to 500W). 

 

You will be involved in hardware design from concept through production, including block diagrams, part selection, schematic design, PCB layout and routing, analysis, manufacturing (working with contract manufacturers), test, qualification, and in-orbit support. 


The successful candidate will also present engineering design review materials to our customers and executive team, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.


JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
  • Bachelor of Science (BS) or Master of Science (MS) degree in Electrical Engineering from an accredited university.
  • Minimum of 2 years of industry or university research experience in power electronics design, analysis, test, and troubleshooting. More experienced candidates are also encouraged to apply.
  • Industry experience designing successful power electronics products from concept through schematic, layout, manufacturing, test, and deployment.
  • Proficient in power circuit analysis, such as worst-case circuit analysis, failure method effectivity and criticality, and reliability.
  • Proficient in electronics design (EDA) tools such as Altium.
  • Proficient in PCB layout for power circuits.
  • Experience with SPICE-based circuit simulation.
  • Experience with power integrity simulation tools such as Ansys or ADS.
  • Extensive hands-on experience with lab instruments such as oscilloscopes, spectrum analyzers, and electronic loads.
  • Excellent written and verbal communication skills.


PREFERRED EXPERIENCE
  • Space industry experience
  • EMI/EMC design and mitigation techniques


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 featuring health, dental, vision, HSA, FSA, life 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 not through our approved vendor list or Talent Acquisition will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.

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What You Should Know About Power Electronics Engineer II, CesiumAstro

Are you ready to step into an exciting role as a Power Electronics Engineer II at CesiumAstro? Based in the vibrant city of Austin, TX, you'll join a team that's pushing the boundaries of space technology by developing innovative communication systems for satellites, UAVs, and other airborne platforms. In this position, you'll be at the forefront of designing power electronics circuits, working through every stage of the development process. Your expertise will come into play as you tackle projects involving lithium-ion battery packs, optimized point-of-load converters, and standalone dc-dc converter modules. At CesiumAstro, we foster a dynamic environment that encourages hands-on learning and collaboration. If you thrive in a startup culture and are passionate about aerospace systems, we're eager to hear from you. In addition to hardware design, you’ll present your groundbreaking designs to customers and our executive team, honing your communication skills along the way. We are looking for someone with a Bachelor’s or Master’s degree in Electrical Engineering and at least two years of experience in power electronics design. This is your opportunity to shape the future of space technology and make a real impact with your work. Join us at CesiumAstro, where your passion for aerospace and power electronics will be driven to new heights!

Frequently Asked Questions (FAQs) for Power Electronics Engineer II Role at CesiumAstro
What are the primary responsibilities of the Power Electronics Engineer II at CesiumAstro?

As a Power Electronics Engineer II at CesiumAstro, you'll be responsible for designing and developing power electronics circuits throughout the entire development process. Your tasks will include creating lithium-ion battery packs, optimized point-of-load converters, and isolated dc-dc converter modules. You'll also handle schematic design, PCB layout, and work collaboratively with contract manufacturers for testing and production.

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What qualifications do I need to become a Power Electronics Engineer II at CesiumAstro?

To qualify for the Power Electronics Engineer II position at CesiumAstro, you should hold a Bachelor’s or Master’s degree in Electrical Engineering. You also need at least two years of relevant industry experience in power electronics, along with proficiency in electronic design tools like Altium, circuit simulation using SPICE, and hands-on familiarity with lab instruments such as oscilloscopes.

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What does the typical work environment look like for a Power Electronics Engineer II at CesiumAstro?

At CesiumAstro, the work environment is dynamic and collaborative, offering a startup-like atmosphere that values innovation. You'll have the opportunity to engage with cross-functional teams and participate in engineering design reviews. Your role involves hands-on development, which provides a rewarding learning experience within a culture that encourages individual and team growth.

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What type of projects will a Power Electronics Engineer II at CesiumAstro be involved in?

A Power Electronics Engineer II at CesiumAstro will work on cutting-edge projects involving power electronics for satellites and aerospace systems. This includes the design and development of battery packs, point-of-load converters, and dc-dc converter modules that are pivotal for the functionality of communication systems deployed in space and airborne applications.

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Does CesiumAstro offer any benefits for Power Electronics Engineer II positions?

Yes! CesiumAstro provides a generous benefits package for full-time employees, including health, dental, and vision insurance, as well as life and retirement plans. Additionally, employees receive stock options, which aligns with the company's commitment to fostering a supportive and rewarding work environment.

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Common Interview Questions for Power Electronics Engineer II
Can you explain your experience with power electronics design?

When answering this question, focus on specific projects you've worked on, detailing your role, the challenges faced, and the outcomes. Highlight your knowledge about circuits, design principles, and tools like Altium that you've used, emphasizing how your experiences align with the requirements at CesiumAstro.

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How do you approach troubleshooting in power electronics?

Describe your systematic approach to troubleshooting, starting from checking power supplies and connections, to analyzing circuit behavior using lab instruments. Mention specific examples where you identified and resolved issues in power circuits, showcasing your hands-on skills and analytical thinking.

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What is your experience with PCB layout design?

Discuss your familiarity with PCB layout design, specifically for power circuits. Provide details on the tools you've used, like Altium, and share experiences where you overcame design challenges, such as thermal management or minimizing noise, making it clear how these experiences prepare you for the role at CesiumAstro.

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What are the key considerations when designing battery management systems?

Outline the essential factors when designing battery management systems, including cell balancing, thermal management, and safety protocols. Provide examples of how you've implemented these considerations in past projects to ensure reliability and efficiency in battery packs.

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How do you ensure product reliability in your designs?

Highlight your methods for ensuring reliability, such as conducting worst-case scenario analysis and employing testing techniques throughout the design process. Use specific examples of designs you’ve implemented that improved reliability and discuss the impact on final product performance.

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Describe your experience with EMI/EMC in power electronics.

Explain any past experiences working on EMI/EMC design and mitigation techniques. Detail how you've identified and addressed potential EMI issues in power electronics designs, showcasing your knowledge of best practices and standards relevant to the aerospace industry.

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What challenges have you faced in power electronics design and how did you overcome them?

Provide specific examples of challenges encountered during a power electronics project, such as thermal issues or component selection. Discuss your problem-solving strategies, emphasizing your adaptability and technical knowledge while relating back to potential challenges you may face at CesiumAstro.

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How do you keep up with the latest trends in power electronics and aerospace technology?

When responding, mention your methods for staying current on industry developments, such as following reputable journals, attending conferences, or participating in online forums. Highlight how this ongoing learning influences your work and prepares you for innovative projects at CesiumAstro.

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Can you discuss a project that showcases your teamwork and communication skills?

Select a project where collaboration was key to success. Describe your role and how you communicated with team members and stakeholders. Emphasize the importance of clear communication in achieving project goals, especially in a cross-functional team environment like that at CesiumAstro.

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What role do you think a Power Electronics Engineer II plays at CesiumAstro?

Reflect on the significance of the Power Electronics Engineer II position in contributing to product innovation and system reliability. Discuss how this role is not only crucial for design and development but also for ensuring effective communication with both technical teams and executives in a fast-paced environment.

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Full-time, on-site
DATE POSTED
April 16, 2025

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