Principal RF Engineer

Overview

Join to apply for the Principal RF Engineer I role at Cesium Astro
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We are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We operate in a dynamic, cross-functional environment that supports learning, development, and collaboration across the organization. If you are seeking hands-on, autonomous work, Cesium Astro is the place for you. We are seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

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.

• In this position, you will be responsible for RF circuits, modules, and systems through all phases of the development process.
• Proficient in board-level schematic design and PCB layout of RF circuits, and system-level concepts such as link budgets and modulation schemes, with end-to-end RF product development.
• Work on phased array communication systems, including RF front ends, frequency converters and synthesizers, filters, beamformers, power dividers, and phased array antennas.
• As a principal hardware team member, lead RF system and hardware designs from concept through requirements definition, architecture definition, part selection, detailed design, manufacturing, testing, qualification, and in-orbit support.
• Create block diagrams, detailed schematics, PCB layout, routing, simulations, and test design. Mentor junior engineers and potentially lead company programs.
• Present engineering design review materials to customers and the executive team, and participate in proposal-writing efforts. Excellent written and verbal communication skills are required.

• Bachelor of Science (BS) in Electrical Engineering from an accredited university;
  Master of Science (MS) is desired.
• Minimum of 9 years of industry experience in the design and analysis of RF electronics and systems.
• Expert-level proficiency in professional simulation tools such as CST and ADS, and EDA tools such as Altium.
• Extensive hands-on experience with lab instruments (vector network analyzers, spectrum analyzers, signal generators, oscilloscopes).
• Excellent written and verbal communication skills.

• Python or other programming languages.
• Aerospace electronics design, development, and qualification.
• Worst-case circuit analysis, failure mode and criticality analyses, and reliability analysis.
• Antenna design.
• EMI/EMC design and mitigation techniques.

$150,000 - $200,000 a year

Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

Cesium Astro 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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.