Mechanical Engineer II — Wearable Hardware & NPI

WHOOP; Boston (MA); On-site; USD 110,000 - 150,000; Full time

Job summary

WHOOP is seeking a Mechanical Engineer II to join the Hardware NPI Team in Boston, MA. You will design and develop rechargeable energy accessories, prototype and test components, and document specifications for manufacturing release.

You will collaborate across functions, support validation, and work with global suppliers and contract manufacturers. This role requires hands-on prototyping, strong communication, and a passion for wearables and health tech.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 2+ years of experience in the design of complex mechanical products.
• Experience with SolidWorks CAD best practices, including advanced assemblies and DFx.
• Hands-on experience with rapid prototyping tools to craft proof-of-concept models.
• Experience with high-volume manufacturing processes and fast-paced environments.

Responsibilities

• Own critical parts of the next generation Whoop Hardware Products.
• Design, prototype, and test mechanical components around microelectronics.
• Develop and present multiple design solutions for complex challenges.
• Generate technical documentation: 3D files, 2D drawings, BOMs, ECOs.
• Communicate engineering requests to vendors and contract manufacturers.
• Support verification/validation plans and DOE-driven insights.
• Perform root cause analyses and collaborate with senior engineers.

Skills

SolidWorks CAD

Prototyping

Cross-functional collaboration

Manufacturing knowledge

Education

Bachelor's in Mechanical Engineering

Tools

3D printing

Job description

WHOOP is seeking a Mechanical Engineer II to join the Hardware NPI Team in Boston, MA. You will design and develop rechargeable energy accessories, prototype and test components, and document specifications for manufacturing release.

You will collaborate across functions, support validation, and work with global suppliers and contract manufacturers. This role requires hands-on prototyping, strong communication, and a passion for wearables and health tech.