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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Design Engineer - **Company:** JUUL Labs, Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $165,000.0 - $227,000.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Data Analysis, Computational Fluid Dynamics, SolidWorks (CAD), Firmware, Failure Mode Effects Analysis, Python (Programming Language), Log Analysis, Software Reliability Testing, Data Analytics - **Published:** August 19, 2026 - **Apply:** https://job-boards.greenhouse.io/juullabs/jobs/7951964 ## About the Role * 5+ years of relevant Mechanical Engineering experience in one or more of the following areas: product design, new product release, test engineering, manufacturing support. * Expertise in 3D MCAD, Solidworks or Onshape preferred. * Skilled 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 developing products that integrate electro-mechanical components, such as flex circuits, batteries, and antennas. * Familiarity with: Statistical Analysis, Design of Experiments, FEA, CFD, Thermal Design, DFMEA, DFA, etc. * Ability to multi-task or focus on detailed problems, and tenacity to drive issues until resolved. * An ability to communicate well with cross-functional team members, efficiently collaborate to achieve project goals, and contribute positively to the engineering community. * Domestic and international travel up to 25%. * Self-motivated, team player, with a strong desire to learn new skills and grow. STRONG CANDIDATES MAY ALSO HAVE: * A proven prototyping background and a hands-on maker mentality that allows you to prototype and test quickly in a lab environment. * Functional proficiency in Python for data acquisition and sensor-log analysis, along with an enthusiasm for leveraging modern AI tools effectively. * Ability to comfortably navigate and modify existing firmware branches to enable early-stage prototype functionality would be favorable. * Leverage existing tools, systems, and/or processes for data collection and analysis. * Background or active interest in food science or food engineering. A general curiosity about phase-changes, fluid dynamics, or food-contact consumer product architecture is a major plus., * BS or MS in Mechanical Engineering, or related field. ## Description The Sr. Design Engineer will be joining an incredibly talented group of mechanical engineers on our Product Design team tasked with bringing new products and major product improvements to market for JUUL Labs. This is a high-visibility position that will expose you to rewarding challenges and career growth opportunities. In this hands-on role, you will be responsible for designing new products that are innovative, cost efficient, reliable, and ship on schedule. You will drive the validation of concepts via early analysis, prototyping and testing, and work with cross-functional teams to ensure that product requirements are met to achieve optimal experiences for our customers. 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. We are looking for someone who is flexible and can respond quickly, energetically, and enthusiastically to changes in a dynamic market landscape. You should be a strong communicator who is able to lead effectively and work effectively with peers and management alike in a high-paced global environment. * Responsible for the overall design, analysis, documentation, and functional validation of mechanical components and assemblies through daily benchtop prototyping; balancing Industrial Design with mechanical constraints. * Derive meaningful insights through data analytics to drive improvements in existing algorithms. * Take initiative and ownership of high-level work, negotiating and driving alignment with product architects, managers, and other key stakeholders across multiple disciplines. * Design, implement, and drive to completion complex system DoEs spanning several engineering disciplines including EE, ME, FW, and SW. * Execute root cause analysis and corrective action implementation as a result of build issues and reliability testing. * Conduct and manage rapid feasibility studies to design for mechanical robustness, schedule, and cost. * Work directly with our CM or prototyping partners in support of system assembly build activities. * Facilitate design reviews. * Travel to support manufacturing builds. ## Related Videos - [UX is a fullstack job!](https://www.wearedevelopers.com/videos/1020-ux-is-a-fullstack-job) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Progressive Delivery in Kubernetes](https://www.wearedevelopers.com/videos/949-progressive-delivery-in-kubernetes) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [The Innovation Formula: Fast Prototyping, Data Analysis, and Real User Insights](https://www.wearedevelopers.com/videos/1421-the-innovation-formula-fast-prototyping-data-analysis-and-real-user-insights) - [Developers Communities in San Francisco - WeAreDevelopers LIVE from Corgi Cafe](https://www.wearedevelopers.com/videos/2144-developers-communities-in-san-francisco-wearedevelopers-live-from-corgi-cafe) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Dev Digest 186: Vape Coding, NPM Attacks + How to Make Your Boss Listen](https://www.wearedevelopers.com/magazine/631-dev-digest-186-vape-coding-npm-attacks-how-to-make-your-boss-listen) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)