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WH
WHOOP

Senior Radio Frequency Engineer

Salary$140k – $195k
LocationBoston, MA
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentHardware
EquityIncluded
Company size1,001–5,000 people
PostedOct 1, 2026 · 1w ago
Verified live1h ago
At a glanceSummarised by Seekless from the posting.
Must have10
BS or higher in Electrical Engineering or related field
5+ years of relevant RF or wireless engineering experience
Demonstrated expertise in RF system characterization, validation, debugging, and root-cause analysis
Background in conducted and radiated wireless testing, including transmitter performance, receiver sensitivity, antenna performance, coexistence, and desense
Hands-on proficiency with RF lab equipment, including spectrum analyzers, signal generators, VNAs, oscilloscopes, wireless communication testers, and calibration tools
Familiarity with antenna and OTA measurements, including return loss, efficiency, radiation performance, TRP, and TIS
Strong command of RF and electrical engineering principles, including impedance matching, transmission lines, circuit design, PCB layout, grounding, shielding, and antenna integration
Working knowledge of RF test automation, data analysis, or electromagnetic simulation using tools such as Python, MATLAB, LabVIEW, CST, or HFSS
Excellent communication skills, with experience supporting product validation, manufacturing, and wireless regulatory certification
Strong commitment to embracing and leveraging AI tools in day-to-day tasks
Eligibility2
Travel up to 15%, domestically and internationally
Must be prepared to relocate to Boston, MA
Skills
spectrum analyzers
signal generators
VNAs
oscilloscopes
wireless communication testers
calibration tools
Python
MATLAB
LabVIEW
CST
HFSS
About the company
At WHOOP, we’re on a mission to unlock and inspire performance for life. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives.
About the role
As a Senior RF Engineer on the WHOOP Hardware team, you will support the development, integration, validation, and delivery of the wireless systems that power WHOOP’s wearable products. Working closely with Electrical, Firmware, Mechanical, Manufacturing, and Product teams, you will independently drive RF development and validation activities from early prototypes through production.
WHOOP products rely on highly integrated wireless systems operating within compact and challenging wearable form factors. You will bring strong hands-on RF test and debugging experience to characterize system performance, identify root causes of wireless issues, develop robust validation methodologies, and ensure designs meet performance, regulatory, and manufacturing requirements.
Responsibilities
•
Own RF system characterization, validation, and debugging from early prototypes through production.
•
Define validation plans, test methods, and acceptance criteria for conducted, radiated, and system-level wireless performance.
•
Characterize transmitter, receiver, antenna, coexistence, interference, desense, and OTA performance, including return loss, antenna efficiency, TRP/TIS, and on-body performance as applicable.
•
Develop repeatable test setups, fixtures, scripts, and automated measurement methods to improve validation coverage, efficiency, and data quality.
•
Analyze RF performance data, identify failure modes and root causes, and drive corrective actions with Electrical, Firmware, Mechanical, and Manufacturing teams.
•
Guide RF-critical schematic and PCB design, including matching networks, grounding, shielding, routing, component selection, and antenna integration.
•
Apply RF circuit, electromagnetic, and system analysis using tools such as CST, HFSS, MATLAB, Python, or similar tools.
•
Establish production test methods, limits, and correlation studies while supporting manufacturing troubleshooting and wireless regulatory certification.
•
Advance next-generation RF architectures, antenna technologies, validation methods, and manufacturing techniques while communicating technical risks and recommendations across engineering teams.
•
Travel up to 15%, domestically and internationally.
Qualifications
•
BS or higher in Electrical Engineering or related field.
•
5+ years of relevant RF or wireless engineering experience.
•
Demonstrated expertise in RF system characterization, validation, debugging, and root-cause analysis.
•
Background in conducted and radiated wireless testing, including transmitter performance, receiver sensitivity, antenna performance, coexistence, and desense.
•
Hands-on proficiency with RF lab equipment, including spectrum analyzers, signal generators, VNAs, oscilloscopes, wireless communication testers, and calibration tools.
•
Familiarity with antenna and OTA measurements, including return loss, efficiency, radiation performance, TRP, and TIS.
•
Strong command of RF and electrical engineering principles, including impedance matching, transmission lines, circuit design, PCB layout, grounding, shielding, and antenna integration.
•
Working knowledge of RF test automation, data analysis, or electromagnetic simulation using tools such as Python, MATLAB, LabVIEW, CST, or HFSS.
•
Excellent communication skills, with experience supporting product validation, manufacturing, and wireless regulatory certification.
•
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.
Legal
WHOOP is an Equal Opportunity Employer and participates in E-verify to determine employment eligibilityThe 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.
Benefits
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 $140,000 - $195,000. 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.
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