Senior RF Desense Engineer

1 day, 5 hours ago
Senior
IoT and Embedded Systems
Skyline Eco-Adventures

Skyline Eco-Adventures

Skyline Eco Adventures is a company that provides zipline adventure tours in Hawaii. They are committed to having a positive impact on the natural world by operating in a sustainable manner and supporting environmental and cultural preservation efforts.

Hotels, Restaurants & Leisure
11-50
Founded 2002

Description

  • Own RF desense architecture, analysis, mitigation, validation, and production support across Zipline aircraft, docks, droids, Zipping Points, and future autonomous logistics platforms.
  • Develop receiver desense budgets and performance requirements for next-generation wireless platforms.
  • Identify and mitigate receiver sensitivity degradation caused by onboard transmitters, power supplies, processors, digital interfaces, motors, and other electronic subsystems.
  • Analyze conducted and radiated interference mechanisms, including harmonics, spurious emissions, blocking, intermodulation, passive intermodulation, and electromagnetic compatibility issues.
  • Characterize RF coupling paths through PCBs, cables, antennas, enclosures, mechanical structures, power systems, and wiring harnesses.
  • Develop mitigation strategies including shielding, filtering, grounding, PCB layout optimization, clock management, power supply noise reduction, frequency planning, and antenna isolation improvements.
  • Define Zipline’s end-to-end electromagnetic shielding architecture across circuits, modules, connectors, harnesses, enclosures, and complete products.
  • Drive shielding design decisions through simulation, lab characterization, near-field scanning, EMI/EMC testing, environmental testing, flight testing, and root-cause analysis.
  • Support PCB layout reviews, grounding strategies, shielding implementation, stack-up definition, and design-for-manufacturing activities.
  • Collaborate with cross-functional teams, suppliers, and manufacturing partners to establish RF acceptance criteria, production test methods, calibration procedures, shielding validation, and quality controls.

Requirements

  • Bachelor’s degree in Electrical Engineering or a related technical field.
  • Typically 7 or more years of professional experience developing RF hardware or wireless communication systems for production products.
  • Strong understanding of RF receiver architecture, sensitivity, noise figure, blocking, dynamic range, selectivity, and receiver optimization.
  • Demonstrated experience investigating and resolving RF desense issues within complex wireless systems.
  • Demonstrated experience developing shielding architectures from RF circuit level through complete products.
  • Experience designing products that integrate multiple simultaneous wireless technologies such as LTE, 5G, GNSS, Wi-Fi, Bluetooth, ADS-B, UAT, or ISM radios.
  • Experience taking RF hardware from concept through integration, verification, certification, and production.
  • Hands-on experience with spectrum analyzers, vector network analyzers, vector signal analyzers, signal generators, EMI receivers, power meters, near-field probes, OTA measurement systems, and RF measurement equipment.
  • Strong written and verbal communication skills with the ability to explain technical tradeoffs across multidisciplinary engineering teams.
  • Master’s degree or PhD in Electrical Engineering or a related field preferred.
  • Experience with autonomous aircraft, robotics, aerospace, automotive, or other highly integrated embedded systems preferred.
  • Experience supporting RF coexistence validation for complex multi-radio platforms preferred.
  • Familiarity with RF simulation tools such as Keysight ADS, Cadence AWR, Ansys HFSS, CST Studio Suite, Altair FEKO, or equivalent platforms preferred.
  • Familiarity with Python, MATLAB, or equivalent tools for RF analysis, automation, and data processing preferred.
  • Experience performing EMI/EMC compliance testing, shielding effectiveness characterization, and electromagnetic susceptibility testing preferred.

Interested in this position?

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