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Principal RF Engineer I

CesiumAstro - Melbourne, FL, United States - Hybrid - posted 2026-07-29

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CesiumAstro is seeking a Principal RF Engineer to lead the design and development of advanced RF communication systems for satellites, UAVs, launch vehicles, and aerospace platforms. This is a hands-on technical leadership role combining individual contribution with mentorship responsibilities. You will own RF circuits, modules, and systems across the full development lifecycle—from concept through in-orbit support. Key responsibilities include: • Board-level and system-level RF electronics design, including schematic design and PCB layout • System-level communications architecture: link budgets, modulation schemes, end-to-end RF product development • Phased array communication systems: RF front ends, frequency converters, synthesizers, filters, beamformers, power dividers, and antennas • Full hardware design cycle: block diagrams, detailed schematics, PCB layout/routing, simulations, test design, manufacturing, and qualification • Technical mentorship of hardware team members • Customer and executive presentations of engineering design reviews • Proposal writing and technical documentation The ideal candidate brings extensive experience in RF circuit design, phased array systems, and aerospace/satellite communications. You should be proficient in schematic capture, PCB layout tools, RF simulation, and have a track record of shipping complex hardware products. Excellent written and verbal communication skills are essential for customer-facing and internal leadership activities. This role is initially remote with planned transition to in-person work in Melbourne, FL as the office is established. U.S. citizenship or eligible immigration status required per ITAR/export control regulations.

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