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Senior RF Engineer II

CesiumAstro · Cambridge, United Kingdom · posted 2026-11-05
<div>At&nbsp;<b>CesiumAstro</b>, 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.</div><div><br></div><div><span style="font-size: 16px;">We are looking to add a&nbsp;</span><strong style="font-size: 16px;">Senior RF Engineer II</strong><span style="font-size: 16px;">&nbsp;to our team. The ideal candidate has experience in&nbsp;board-level RF electronics design. If you enjoy working in a startup environment&nbsp;and are passionate about developing leading-edge RF hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.</span></div> <div>&nbsp;</div> <div><span style="font-size: 16px;">In this position, you will be responsible for RF circuits and systems through all phases of the development process. The ideal candidate will be proficient in board-level schematic design and PCB layout of RF circuits, and system-level communications concepts such as link budgets and modulation schemes. The work will include many aspects of phased array communication systems, including RF front-ends, frequency converters and synthesizers, filters, beamformers, power dividers, and phased array antennas.</span></div> <div>&nbsp;</div> <div><span style="font-size: 16px;">As a Cesium hardware team member, you will be responsible for RF hardware designs from initial concept through requirements definition, part selection, detailed design, analysis, manufacturing, testing, qualification, and in-orbit support of Cesium's products. Hardware design tasks will include block diagrams, detailed schematics, PCB layout and routing, simulations, and test design.</span></div> <div>&nbsp;</div> <div><span style="font-size: 16px;">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.</span></div><br><strong>JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS</strong><br> <li>A Bachelor of Science (BS) or Master of Science (MS) degree in Electrical Engineering (EE) from an accredited university or institution.</li> <li>6+ years of industry experience in design and analysis of RF electronics design, analysis, test, and troubleshooting.&nbsp;</li> <li>Experience with professional simulation tools such as CST and ADS, as well as EDA tools such Altium.</li> <li>Hands-on experience with lab instruments such as vector network analyzers, spectrum analyzers, signal generators, and oscilloscopes.</li> <li>Excellent written and verbal communication skills.</li> <br><strong>PREFERRED EXPERIENCE</strong><br> <li>Experience with MATLAB or other programming languages.</li> <li>Experience in aerospace electronics design, development, and qualification.</li> <li>Knowledge of worst-case circuit analysis, failure method and criticality analyses, and reliability analysis.</li> <li>Experience with antenna design.</li> <li>Knowledge of EMI/EMC design and mitigation techniques.</li> <div>CesiumAstro considers several factors when extending an offer, including but not limit

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