Product Development Engineer in Seattle

Job Description

Join GRAYL as our next Product Development Engineer. We build industry-leading water treatment products that empower adventure for our community. Your primary responsibilities include drawing, CAD, prototyping, testing, learning, and improving device designs. You will be a CAD specialist passionate about solving technical problems and delivering high‑quality products to market.

We’re a Seattle‑based company dedicated to creating durable, best‑in‑market purifiers for extreme outdoor conditions. You will join a small, talented team that moves products from proof‑of‑concept to market release. You’ll research materials, design prototypes, collaborate with manufacturing, and communicate progress across the organization.

Hybrid position – 2‑3 days per week in our Seattle office. Travel 4‑6 weeks per year, often abroad and in the field.

• Complete a written interview
• Submit cover letter, resume, and portfolio

• Use CAD, 3D printing, and sketching to create prototypes and tools. Only highly proficient CAD users should apply.
• Identify and research consumer pain points to evaluate technology and material feasibility.
• Source materials and work with third‑party factories across a diverse supply chain.
• Build minimum‑viable prototypes using 3D printing, hand tools, and affordable materials.
• Test prototypes in-house and via external labs, creating protocols to meet GRAYL’s high standards.
• Communicate findings to stakeholders with clear, enthusiastic presentations.
• Collaborate with product managers, developers, content strategists, user researchers, and designers.
• Support GRAYL’s culture: work hard, play outdoors, and love nature.
• Partner with industrial design to refine form while maintaining engineering requirements.
• Stay current with industry trends and emerging technologies.
• Travel regularly – 5‑7 international and domestic trips per year.
• Live in or near Seattle; flexible 2‑3 day per week office schedule.

• Empathetic to users, constantly advocating for their experience.
• Technical problem‑solver with mechanical aptitude and strong craft skills.
• Detail‑oriented, understanding how small nuances affect seamless design.
• Collaborative, listening to diverse perspectives and following through on commitments.
• Adaptable, thriving in ambiguity and rapid iteration.
• A natural maker with insatiable curiosity.
• Entrepreneurial mindset, driving projects for both company and customer benefit.

• Proficiency in CAD (OnShape, Solid Works). Must be capable of efficient, creative design.
• Understanding of manufacturing techniques: injection, blow, overmolding, metal forming, casting, sonic welding, and basic electronics.
• Knowledge of consumer goods manufacturing – plastics, metals, fabrics.
• 3‑5 years in physical product development, ideally with high‑quality packaged consumer products.

Job Type: Full‑time

Work Location:

Hybrid – 2‑3 days per week in our Seattle office (Seattle, WA 98199)

• Stock option plan
• 401(k) matching
• Health, vision, and dental insurance
• Employee discount
• Flexible schedule
• Paid time off
• Parental leave
• Relocation assistance
• 2 paid days to donate time to a non‑profit of your choice

Seattle‑based GRAYL® creates innovative water purifiers for international travelers and outdoor explorers, enabling safe, self‑reliant adventures. We are brand‑focused, quality‑obsessed, and attentive to our customers. Since 2013, GRAYL purifiers have hydrated more than a million adventurers. We are part of 1% for the Planet®, donating a portion of sales to environmental non‑profit organizations.