Mechanical Engineer

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At PAX, we’re on a mission to enhance people’s lives through exceptional consumer experiences—honoring the plant through pioneering innovation, science‑backed quality, and award‑winning design. For nearly two decades, PAX has delivered high performance products crafted for precision, purity, and consistency that are trusted by millions worldwide.

Our culture is built on putting people at the center of everything we do, making an impact together, and having fun along the way. We believe exceptional products, a thriving employee experience, and strong operational rhythms go hand‑in‑hand. PAX has been recognized for its brand, culture and products by The New York Times’ Wirecutter, TIME, Fast Company, GQ, Gear Patrol, mg Magazine, High Times, and many more.

PAX is certified Plastic Negative across all product lines by re Purpose Global, ensuring that twice as much plastic is removed from nature as is used in its products.

Reporting to the Director of Mechanical Engineering, the mechanical engineer is responsible for designing parts and subassemblies of new products that are innovative, cost efficient, reliable, and ship on time. You will troubleshoot and make improvements to existing products, design new products, and work closely with other members of the engineering staff to create and validate solutions to difficult structural, thermal, illumination, and usability problems.

You should be comfortable sketching and prototyping new ideas, have a working knowledge of mechanical engineering fundamentals, product development best practices, and design documentation procedures.

Our products are hailed for their beautiful design language, high quality and reliability, and we lead the industry with product and technology innovations. Our mechanical engineers are responsible for the architecture and detailed design of all of our products, working closely with the rest of the Hardware team to achieve the product vision. This role is critical to the development of future PAX products.

• Participate in the design and development of the mechanical product architectures, assemblies/modules, parts, and accessories
• Contribute to the decision‑making process associated with the creation of mechanical product architectures, assemblies, modules, parts, and accessories
• Perform structural, tolerance, thermal, and fluid analyses to inform design geometry
• Create 3D and 2D drawings including specifications that fully define components and subassemblies and capture design intent
• Work with industrial designers to assess product details for manufacturability and make recommendations for feature changes to optimize for quality at scale
• Collaborate with Product Management team members to assess prototype designs for intuitiveness and usability
• Own internal and oversee external prototyping work to ensure design reflects plan‑of‑record thinking and tricky areas are de‑risked
• Conduct rapid feasibility studies to design for mechanical robustness, schedule, and cost.
• Solicit feedback on design work from team leads and in formal cross‑functional design reviews
• Work closely with Reliability and Failure Analysis team members to root cause and resolve issues
• Work closely with the Product Management and Product Integrity teams to ensure product requirements are accurately translated to engineering requirements and have appropriate validation test coverage
• Work directly with suppliers on DFM, tooling construction, and part qualification (FAI, Cpk)
• Collaborate with internal and overseas engineering teams to develop and validate prototype and production fixtures and test jigs for final assembly
• Work directly with CM and JDM partners to support final assembly build activities (Proto, EVT, DVT, PVT)

• 5+ years in consumer/medical/automotive products and/or other product development
• Proficiency in Solidworks with experience in master‑modeling and surfacing
• Experience in designing consumer oriented products using a broad range of processes and materials, with an emphasis on cosmetic plastic molding and metal parts (sheet…