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Principal Antenna Design Engineer I

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 looking to add a Principal Antenna Design Engineer I to our team. The ideal candidate has experience in designing, simulating, building, and testing high-frequency antennas made in printed circuit board (PCB) processes. If you enjoy working in a startup environment, and are passionate about developing leading-edge RF hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.


As a Cesium hardware team member, you will be responsible for antenna designs from initial concept through requirements definition, topology selection, detailed design, analysis, optimization, manufacturing, testing, qualification, and in-orbit support of Cesium's products.  The work will include many aspects of phased array communication systems, including RF front-ends, beamformers, power dividers, and phased array antennas.


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) degree or higher in Electrical Engineering or Physics from an accredited university or institution.
  • Minimum of 9 years of industry or university research experience in antenna design, analysis, optimization, fabrication, and test. 
  • Phased array design and development.
  • Expert-level proficiency in 3D electromagnetic simulation tools such as CST or HFSS.
  • Strong experience with EDA tools such as Altium.
  • Hands-on experience with lab instruments such as vector network analyzers, spectrum analyzers, signal generators, and oscilloscopes.
  • Excellent written and verbal communication skills.


PREFERRED EXPERIENCE
  • Antenna design in frequency bands above 20 GHz.
  • Aerospace electronics design, development, and qualification.
  • EMI/EMC design and mitigation techniques.


$150,000 - $200,000 a year

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 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 Principal Antenna Design Engineer I, CesiumAstro

Are you ready to take your engineering expertise to new heights? CesiumAstro is on the lookout for a talented Principal Antenna Design Engineer I to join our innovative team in Westminster, CO. Here at CesiumAstro, we're not just creating communication systems; we're pioneering the way satellites, UAVs, and other airborne platforms communicate. Our team thrives in a dynamic, cross-functional environment that fosters collaboration and allows you to make a real impact on groundbreaking technology. As a Principal Antenna Design Engineer I, you'll dive deep into the world of high-frequency antennas, designing and testing from conception to in-orbit support. Your experience with phased array communications and PCB processes will shine as you tackle everything from topology selection to manufacturing. You’ll be hands-on, using cutting-edge EDA tools and lab instruments to push the boundaries of RF hardware development for aerospace systems. Excellent communication skills are a must, as you’ll get the opportunity to present your designs to both our executive team and valued customers. If you’re a forward-thinking engineer with a passion for aerospace technology looking for an engaging, startup-like atmosphere, we want to hear from you. Let’s work together to shape the future of communication in space!

Frequently Asked Questions (FAQs) for Principal Antenna Design Engineer I Role at CesiumAstro
What are the main responsibilities of a Principal Antenna Design Engineer I at CesiumAstro?

As a Principal Antenna Design Engineer I at CesiumAstro, you will take charge of antenna designs throughout the entire lifecycle—from initial concepts and requirements definition to detailed design and in-orbit support. Your role will involve working with phased array communication systems, handling RF front-ends, and optimizing antenna performance. You will also be responsible for presenting your designs and participating in proposal efforts, showcasing your communication skills and technical knowledge.

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What qualifications are needed to apply for the Principal Antenna Design Engineer I position at CesiumAstro?

To be eligible for the Principal Antenna Design Engineer I position at CesiumAstro, you need a Bachelor of Science (BS) degree or higher in Electrical Engineering or Physics. Additionally, a minimum of 9 years of industry or university research experience in antenna design is required, along with expertise in phased array design. Proficiency in 3D electromagnetic simulation tools and lab instruments is also essential, ensuring you can successfully execute your responsibilities.

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What tools and technologies should a Principal Antenna Design Engineer I be familiar with at CesiumAstro?

The ideal Principal Antenna Design Engineer I at CesiumAstro should have expert-level proficiency with simulation tools like CST or HFSS and experience with EDA tools such as Altium. Familiarity with lab instruments, including vector network analyzers and spectrum analyzers, is also crucial. Your technological expertise will empower you to design and optimize high-frequency antennas effectively.

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What type of projects will the Principal Antenna Design Engineer I work on at CesiumAstro?

As a Principal Antenna Design Engineer I at CesiumAstro, you will engage in exciting projects focused on developing leading-edge RF hardware for various aerospace applications. This includes designing antennas for satellites, UAVs, and launch vehicles, specifically in the realm of phased array communication systems. Your innovative contributions will play a pivotal role in shaping next-generation communication technologies.

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What is the salary range for a Principal Antenna Design Engineer I at CesiumAstro?

The salary range for a Principal Antenna Design Engineer I at CesiumAstro is between $150,000 and $200,000 annually. This compensation can vary based on multiple factors, including your experience, education, and skills. Additionally, CesiumAstro offers competitive benefits and stock options as a part of their employment package.

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Common Interview Questions for Principal Antenna Design Engineer I
Can you describe your experience with antenna design and the tools you've used?

Certainly! In response to this question, emphasize your hands-on experience with high-frequency antennas, detailing specific projects where you implemented designs. Mention the simulation tools you are proficient in, such as CST or HFSS, and discuss any design challenges you overcame, showcasing your problem-solving skills.

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What is your approach to optimizing antenna performance?

When discussing your approach to antenna performance optimization, highlight your methods for analysis and simulation. Describe how you select materials, design configurations, and test prototypes to enhance efficiency. Sharing a personal example of a successful optimization project can strengthen your answer.

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How do you handle collaboration in a cross-functional team environment?

In a cross-functional team, I prioritize open communication and active listening to harmonize diverse contributions. Discuss your experiences collaborating with different departments to achieve shared objectives, showcasing your ability to adapt your communication style to various technical backgrounds.

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What challenges have you faced in phased array antenna design?

Recognize specific challenges you have encountered in phased array antenna design, such as signal integrity, gain patterns, or component alignment. Elaborate on how you addressed those challenges, demonstrating your analytical skills and innovative thinking.

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What strategies do you use to present complex engineering information to non-technical audiences?

When presenting complex information, I simplify technical jargon and use visuals to clarify concepts. You can give an example of a past presentation where you successfully conveyed intricate design details to a non-technical audience while maintaining their engagement and interest.

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Describe your familiarity with electromagnetic simulation tools.

Detail your experience with electromagnetic simulation tools by discussing specific projects where you utilized CST or HFSS. Mention the types of simulations you conducted and how the results influenced your design decisions, providing insight into your data analysis capabilities.

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How do you ensure that your designs comply with industry standards?

In ensuring compliance with industry standards, I stay updated on current regulations and apply them throughout the design process. Explain how you incorporate standard testing methods and documentation to validate your designs, demonstrating your commitment to quality and safety.

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Can you provide an example of a successful project you led in antenna design?

Share a detailed example of a past project that showcases your leadership and technical skills. Explain the goals, your specific role, the outcomes, and how your contributions led to successful results, emphasizing the skills relevant to the Principal Antenna Design Engineer I position.

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What do you think is the future of antenna technology in aerospace?

When answering this question, showcase your visionary thinking by discussing trends like miniaturization, increased bandwidth demands, and emerging technologies such as 5G and IoT. Illustrate how these trends might influence future designs and applications within aerospace technology.

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Why do you want to work for CesiumAstro as a Principal Antenna Design Engineer I?

In your response, express your enthusiasm for CesiumAstro's innovative projects and work culture. Discuss how your background and values align with the company's vision and how you see yourself growing and contributing to the team, highlighting your passion for aerospace technology.

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Full-time, on-site
DATE POSTED
March 21, 2025

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