Wearable Bio-Sensor Mechanical Design Engineer

PassFort; Greater London; On-site; GBP 80,000 - 120,000; Full time

Benefits offered by this job

Equity options

Travel to New York for R&D

Job summary

Level Zero is building next‑gen biosensor technology for real‑time biomarker monitoring. We seek a hands‑on mechanical engineer to own plastic component design for wearable pump systems, from concept to production, using robust CAD models and tolerance analysis.

You will lead verification efforts, work with suppliers, and contribute to early‑stage R&D in a dynamic startup environment. The role requires a Master’s degree in biomedical/mechanical engineering or related field and 2–4 years of

Qualifications

• Master’s degree in biomedical or mechanical engineering or related field.
• 2–4 years of industry experience with biomedical devices preferred.
• Experience designing pump systems and fluid handling mechanisms.
• Excellent CAD and drafting skills with complex assemblies.
• Knowledge of GD&T, tolerancing, and manufacturing tolerances.
• Experience with DFMEA/PFMEA and risk management.
• Experience with DFMA principles and external vendors.
• Experience with PLM systems and design documentation.
• Strong root-cause analysis and problem solving.
• Experience in V&V testing and design verification plans.

Responsibilities

• Own mechanical design of plastic components for wearable device and pump system.
• Design injection moulded parts from concept to production release.
• Create high-quality 3D CAD models, assemblies, drawings to standards.
• Perform tolerance analysis and prepare design specs and requirements.
• Develop verification test methods and conduct tests; iterate designs from data.
• Lead mechanical investigations to find root causes and implement fixes.
• Apply human-centered design through usability studies and user research.
• Collaborate with suppliers and manufacturing partners for production readiness.
• Specify and qualify bought-in components and integrate into product.
• Coordinate with electronics, QA, manufacturing, and industrial design teams.
• Balance performance, usability, reliability, manufacturability and cost.
• Contribute to early-stage R&D and future design iterations.

Skills

Master’s degree in Biomedical/Mech Eng

2-4 years industry experience

User-centered design

Pump systems/ fluid handling

Injection moulded plastics design

CAD & drafting (complex assemblies)

Tolerance analysis & GD&T

DFMEA/PFMEA

DFMA/DFM principles

External supplier/manufacturer liaison

PLM systems

Root cause analysis

V&V testing design & execution

Quality standards knowledge (ISO 13485

Prototype development (rapid protos)

joint teams collaboration

Education

Master’s degree in biomedical/mechanical engineering or related

Tools

PLM systems

3D CAD modelling

GD&T drafting tools

Job description

Level Zero is building next‑gen biosensor technology for real‑time biomarker monitoring. We seek a hands‑on mechanical engineer to own plastic component design for wearable pump systems, from concept to production, using robust CAD models and tolerance analysis.

You will lead verification efforts, work with suppliers, and contribute to early‑stage R&D in a dynamic startup environment. The role requires a Master’s degree in biomedical/mechanical engineering or related field and 2–4 years of