Senior Mechanical Engineer

PAX Labs•San Francisco, CA

6h•$180,000 - $235,000

About The Position

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 rePurpose Global, ensuring that twice as much plastic is removed from nature as is used in its products. ROLE AND RESPONSIBILITIES Reporting to the Director, Mechanical Engineering, the Senior Mechanical Engineer will be responsible for designing new products that are innovative, cost efficient, reliable, and ship on schedule. You will troubleshoot and make improvements to existing products, and work closely with other members of the engineering staff to create optimal solutions to difficult design, structural, thermal, and battery life issues. You will be comfortable sketching and prototyping new ideas and be familiar with engineering best practices, concepts and procedures. You may lead and direct the work of others. 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 for the device. This role is critical to leading the development of future products. As the PAX Senior Mechanical Engineer, you will:

Requirements

10+ years in consumer products and/or other product development
Deeply technical mechanical engineering background
Strong track record of shipping products from concept to mass production
Expert level proficiency in Solidworks
Experience working with Asian manufacturing and supply chains including travel to manufacturing sites
Excellent organizational, communication, presentation, and data analytics skills
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 metal, CNC, extrusion, etc.).
Experience with the development and integration of electro-mechanical components, such as flex circuits, batteries, and antenna.
International travel is expected (< 20%)
BS in ME, related discipline, or demonstrated equivalent experience

Nice To Haves

Have seen multiple product cycles from start to finish and shipping consumer hardware at high volume (7 figures in terms of annual units).
Have extremely strong XFNL collaboration skills and works super well with others.
Be a creative problem solver and make data-driven decisions.
Have one or more of the following additional skillsets: strong simulation/FEA skills, thermal simulation and heat transfer experience
MS or higher preferred

Responsibilities

Integrate with cross-functional teams to create high quality products that delight our customers.
Work with ID to assess product features for manufacturability and recommend capable processes, equipment, etc.
Lead the development of the mechanical product architectures, assemblies/modules, parts, and accessories
Detailed design of mechanical components, including complex assemblies and sub-systems.
Conduct rapid feasibility studies to design for mechanical robustness, schedule, and cost.
Oversee internal and external prototyping.
Facilitate design reviews and drive best practices
Collaborate closely with Reliability and Failure Analysis teams to root cause and resolve issues
Work directly with part suppliers on DFM, tooling kick-off, tool bring-up, and tool/part qualification.
Collaborate with local and overseas engineering and manufacturing teams to qualify tooling and define visual quality requirements.
Work directly with our CM partners in support of system assembly build activities.
Collaborate extensively with Manufacturing Engineering on our Supply Chain team to develop and validate fixture