Skip to content
WHOOPWHOOPBoston, MA

Staff RF Engineer

Lead architecture, integration, validation, certification and production of RF/wireless systems for WHOOP's ultra-compact wearable devices. Requires 8+ years RF experience, deep expertise in antenna design, EM simulation (CST/HFSS), lab testing, regulatory compliance and cross-functional leadership.

Salary not listed
On-site8+ YOEHardware Engineering

About the role

Responsibilities

  • Lead RF system validation, characterization, and debugging using industry-standard lab instrumentation.
  • Drive RF circuit design, electromagnetic simulation, and system analysis to inform architecture, performance, and design decisions.
  • Partner cross-functionally with firmware, mechanical, manufacturing, product, and operations teams to define, integrate, and deliver robust RF systems.
  • Define RF hardware requirements, validation strategies, and production test methodologies to ensure robust wireless performance from development through manufacturing.
  • Own RF certification efforts and ensure compliance with global wireless regulatory standards, including FCC Part 15, CISPR 11, EN 55035, and the Radio Equipment Directive (RED).
  • Establish RF design standards and provide technical guidance for antenna integration, PCB layout, RF routing, grounding, shielding, matching networks, and desense mitigation.
  • Advance research and development of next-generation RF architectures, antenna technologies, manufacturing techniques, and system-level solutions that enable different form factors and feature expansion.
  • Mentor engineers and establish RF engineering best practices across design, validation, and debugging while effectively communicating technical risks and recommendations to engineering and leadership stakeholders.
  • Travel up to 15%, domestically and internationally.

Qualifications

  • BS or higher in Electrical Engineering or related field.
  • 8+ years of experience in relevant RF or wireless engineering.
  • Deep experience working with RF communication systems, including antenna integration, system-level RF performance optimization, conducted/radiated testing, coexistence, and desense mitigation.
  • Strong grasp of RF and electrical engineering principles, including circuit design, component fundamentals, PCB layout, grounding, shielding, and digital communication protocols.
  • Expert hands-on experience with RF lab equipment, including oscilloscopes, spectrum analyzers, VNAs, signal generators, calibration tools, and radiated test systems.
  • Strong experience with EM simulation software such as CST and HFSS.
  • Proven experience leading RF design, validation, certification, and production test strategies from concept through production.
  • Excellent written and verbal communication skills, with the ability to influence cross-functional technical decisions and mentor engineers through design reviews, documentation, and hands-on technical guidance.
  • Strong commitment to embracing and leveraging AI tools in day-to-day tasks, ensuring AI-assisted work aligns with the same high-quality standards as personal contributions.

Skills

Rf EngineeringAntenna IntegrationEm SimulationCstHfssRf Circuit DesignPcb LayoutRf ValidationRf CertificationSpectrum AnalyzersVnasFcc ComplianceDesense Mitigation
Crusoe

Staff Hardware Systems Engineer

CrusoeSan Francisco, CA +1

Staff Hardware Systems Engineer responsible for full lifecycle of high-performance GPU/CPU compute systems at Crusoe, with deep focus on debugging and validation of PCIe, InfiniBand, and NVMe/storage subsystems. Requires 8+ years experience, strong hardware expertise, and automation skills to ensure reliability and scalability of AI infrastructure.

208k – 253k
On-site8+ YOEHardware Engineering
OpenAI

Data Center Research & Development Engineer, Mechanical

OpenAISan Francisco, CA

Lead R&D for next-generation data center power, cooling, and high-performance computing infrastructure at OpenAI. Oversee design validation, lab buildout, testing of high-voltage systems and liquid-cooled racks, and vendor collaboration for large-scale AI deployments. Requires 20+ years experience in critical data center systems.

260k – 385k
On-site20+ YOEHardware Engineering
OpenAI

Data Center Design Engineer, Electrical

OpenAISan Francisco, CA

Lead electrical and MEP design, operation, and maintenance for large-scale AI data center campuses at OpenAI. Requires 10+ years in critical infrastructure, deep expertise in power/cooling systems, vendor management, and a PE license.

360k – 530k
Hybrid10+ YOEHardware Engineering
Shield AI

Staff Engineer, Landing Gear Systems

Shield AIDallas, TX

Staff Engineer responsible for the full mechanical design lifecycle of electro-mechanical and hydro-mechanical landing gear systems for autonomous UAVs, including concept development, CAD, analysis, prototyping, testing, and cross-functional collaboration with avionics and structures teams.

130k – 200k
On-site7+ YOEHardware Engineering
Shield AI

Staff Engineer, Mechanical & Actuated Systems

Shield AIDallas, TX

Staff Mechanical & Actuated Systems Engineer responsible for designing complex electro-mechanical mechanisms, actuators, and systems for autonomous UAVs. Owns full design cycle from concept through analysis, prototyping, testing, and production release on the X-BAT platform. Requires 7+ years mechanical design experience, strong CAD/FEA skills, and aerospace background.

130k – 200k
On-site7+ YOEHardware Engineering