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Zipline

Robot type
Drone
Location
South San FranciscoCaliforniaUSA
Job type
Hardware
Posted
Jul 13, 2026
Salary
$160,000–$250,000 a year
Full-time

Senior RF Antenna Design Engineer

Job description

Our customers include the world’s largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we’ve built to enable seamless, reliable, global operations.

Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe.

We operate at a global scale and are looking for practical problem solvers who…

Job responsibilities

  • Own antenna architecture, design, simulation, prototyping, integration, and validation for airborne and ground-based products.
  • Develop antennas and RF structures across technologies such as cellular, GNSS, Wi-Fi, Bluetooth, ISM, telemetry, ADSB, UAT, command-and-control, and other licensed or unlicensed bands.
  • Translate communication, navigation, regulatory, and system-level requirements into antenna specifications and verification plans.
  • Perform electromagnetic simulations using tools such as Ansys HFSS, CST Studio Suite, Altair FEKO, or equivalent platforms.
  • Optimize antenna performance within tightly constrained mechanical environments containing batteries, motors, composites, metals, cables, electronics, and other RF-sensitive structures.
  • Conduct antenna measurements, including return loss, impedance, isolation, efficiency, gain, radiation patterns, polarization, and total radiated performance.
  • Plan and execute testing in anechoic chambers, outdoor antenna ranges, laboratory environments, and representative operational configurations.
  • Characterize antenna performance at the subsystem and complete-vehicle levels, including installed performance and platform-induced effects.

Job requirements

  • Master’s degree or PhD in electrical engineering, electromagnetics, applied physics, or a related field.
  • Experience designing antennas for unmanned aircraft, aerospace platforms, autonomous vehicles, or safety-critical systems.
  • Experience with cellular antenna systems, including LTE, 5G, carrier aggregation, MIMO, and over-the-air performance.
  • Experience with high-accuracy or multiband GNSS antenna systems.
  • Experience with conformal antennas, phased arrays, electronically steered antennas, or direction-finding systems.
  • Familiarity with composite structures, carbon fiber, radomes, environmental sealing, and antenna-material characterization.
  • Experience with RF coexistence, desense, intermodulation, passive intermodulation, and electromagnetic compatibility.
  • Familiarity with scripting or data-analysis tools such as Python, MATLAB, or equivalent software.
Apply on Zipline websiteSave

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