Senior Mechanical Engineer; Product Introduction, Apparel & Accessories

Requirements

• B.S. in Mechanical Engineering or related field; M.S. a plus
• 6+ years of mechanical design experience, with ownership of multiple products through full development cycles. Must demonstrate deep technical fluency in end-to-end product development, including concept creation, prototyping, design iteration, DFM/DFA, EVT/DVT/PVT, and production support
• Strong proficiency in 3D CAD (e.g., Solid Works, Creo) for both concept modeling and detailed production-level design; experience with tolerance stack-ups and drawing standards required
• Extensive experience with a range of materials and processes, including plastics, silicones, textiles, elastomers, metals, and overmolding; prior work integrating soft goods and electronics is highly desirable
• Proven success working with and managing global suppliers and manufacturers, including qualification and ramp-up support
• Demonstrated ability to lead cross-functional initiatives and influence decision-making across teams. Excellent communication and organizational skills; ability to balance technical depth with strategic execution
• Passion for product development and attention to detail
• Experience working with offshore manufacturing partners preferred
• Knowledge of wearables, sports/fitness accessories, or human factors engineering preferred
• Familiarity with FEA tools, rapid prototyping, and environmental testing preferred
• 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

• We are seeking a talented and driven Senior Mechanical Engineer to own the mechanical design and development of next-generation WHOOP bands and wearable accessories
• This individual will play a critical role in creating robust, scalable, and manufacturable hardware solutions that meet the needs of a fast-paced and highly collaborative product development environment
• Lead the mechanical design of new WHOOP bands and accessories from initial concept through production ramp, owning form, fit, and function of critical components
• Drive product architecture decisions in partnership with Industrial Design, Electrical Engineering, Product Management, and Operations to ensure robust, user-centered solutions
• Create and manage high-fidelity CAD models, assemblies, and detailed 2D documentation for both internal design reviews and external manufacturing partners
• Spearhead second sourcing and dual tooling efforts for critical mechanical components to ensure supply chain resilience and reduce manufacturing risk
• Define and execute validation test plans; apply root-cause analysis to field and manufacturing issues and implement design improvements
• Provide technical leadership during design reviews, manufacturing builds, and supplier engagements, both domestic and international
• Establish and maintain material specifications, DFM/DFA standards, and mechanical design best practices within the team
• Mentor junior engineers, sharing expertise in mechanical design, prototyping, and cross-functional product development
• Up to 20% travel to contract manufacturers and suppliers