Staff RF Engineer

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. As a Staff RF Engineer on the WHOOP Hardware team, you will lead the architecture, integration, and delivery of the wireless systems that power WHOOP's wearable products. Working closely with Electrical, Firmware, Mechanical, Manufacturing, and Product teams, you will translate system-level requirements into robust, production-ready RF solutions. WHOOP products rely on highly integrated wireless systems that demand exceptional RF performance, antenna efficiency, coexistence, power efficiency, and manufacturability within an ultra-compact wearable form factor. You will provide technical leadership across RF architecture, validation, certification, and production while helping shape the future of wireless technologies at WHOOP. 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. This role is based in the WHOOP office located in Boston, MA. The successful candidate must be prepared to relocate if necessary to work out of the Boston, MA office.    Interested in the role, but don’t meet every qualification? We encourage you to still apply! At WHOOP, we believe there is much more to a candidate than what is written on paper, and we value character as much as experience. As we continue to build a diverse and inclusive environment, we encourage anyone who is interested in this role to apply.   WHOOP is an Equal Opportunity Employer and participates in E-verify https://www.e-verify.gov/ to determine employment eligibility.  It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.   The WHOOP compensation philosophy is designed to attract, motivate, and retain exceptional talent by offering competitive base salaries, meaningful equity, and consistent pay practices that reflect our mission and core values.   At WHOOP, we view total compensation as the combination of base salary, equity, and benefits, with equity serving as a key differentiator that aligns our employees with the long-term success of the company and allows every member of our corporate team to own part of WHOOP and share in the company’s long-term growth and success.   The U.S. base salary range for this full-time position is $175,000 - $215,000. Salary ranges are determined by role, level, and location. Within each range, individual pay is based on factors such as job-related skills, experience, performance, and relevant education or training.    In addition to the base salary, the successful candidate will also receive benefits and a generous equity package..    These ranges may be modified in the future to reflect evolving market conditions and organizational needs. While most offers will typically fall toward the starting point of the range, total compensation will depend on the candidate’s specific qualifications, expertise, and alignment with the role’s requirements.   Learn more about WHOOP https://www.whoop.com/us/en/careers/?srsltid=AfmBOopKmph9d0DLBlogZu8mx6do0dzjNS8eJlfc4PQqQtdU6F8DGKBg.