Mechanical Design Engineer

About Level Zero

Level Zero is pioneering next-generation biosensor technology for precise, real-time monitoring of critical endocrine biomarkers. Recognised as one of the top 20 startups across all categories worldwide at Tech Crunch Disrupt 2024 - and backed by top-tier organisations like Redalpine, SOSV, and Entrepreneur First - we’re pushing the boundaries of biochemistry and nanotechnology to revolutionize personalised health.

Founded by two seasoned engineers, we bring extensive experience in R&D, technical innovation, and commercial strategy to transform the way people monitor their health. Our mission is bold: to revolutionise health management by delivering clinical-grade data directly to individuals, wherever they are.

We’re seeking driven innovators to join us in pushing the boundaries of biosensing and health tech, making personalised health monitoring a reality for everyone. To achieve this ambitious vision, we’re assembling the best team in the world - dedicated to turning cutting-edge science into life-changing, real-world solutions.

• Own the mechanical design and development of plastic components for a wearable device and pump system
• Design robust injection moulded plastic parts from concept through to production release
• Produce high-quality 3D CAD models, assemblies and engineering drawings to manufacturing standards
• Perform tolerance analysis and tolerance stack-ups to ensure robust product performance and manufacturability. Create detailed design specifications, engineering requirements and mechanical architecture documentation
• Develop, refine and execute verification test methods to evaluate product performance and reliability. Plan and conduct engineering testing, analyse results and iterate designs based on data
• Lead mechanical investigations, identify root causes of failures and implement effective design improvements
• Apply human-centered design practices by conducting human factors studies, usability evaluations, and user research sessions - translating findings into actionable product and design improvements
• Work closely with external suppliers and manufacturing partners to develop production-ready components
• Specify and qualify bought-in components and work with suppliers to integrate them into the product
• Collaborate closely with electronics, systems, quality, manufacturing and industrial design teams
• Balance technical performance, usability, reliability, manufacturability and cost throughout the design process
• Contribute to early-stage R&D, collaborating with engineering leadership to define and refine future design iterations

• Master’s degree with 2 - 4 years of industry experience, in biomedical engineering, mechanical engineering or a related discipline
• Experience designing products with user needs at the centre of development
• Experience designing pump systems, valves, diaphragms or other fluid handling mechanisms. Experience designing leak-tight assemblies and developing leak test methods
• Excellent CAD & drafting skills including complex assemblies and surfacing where appropriate with strong understanding of engineering drawings, GD&T and manufacturing tolerances
• Experience performing tolerance stack analysis and applying statistical tolerancing where appropriate
• Experience creating engineering documentation including design specifications and product requirements. Experience applying DFM, DFA and DFMA principles. Experience working with external suppliers, manufacturers and tooling vendors
• Experience creating and refining mechanical test methods and verification plans
• Experience with DFMEA, PFMEA and structured engineering risk management
• Strong experience designing injection moulded plastic components for volume manufacture. Experience attending tooling trials, evaluating moulded parts and resolving manufacturing issues
• Proven ability to troubleshoot mechanical failures using structured root cause analysis
• Understanding of assembly methods including snap fits, heat staking, ultrasonic welding, adhesives or over moulding
• Experience with engineering change control, product release processes and PLM systems
• Strong communication skills and ability to…