Senior Hardware Design Lead – System Architecture

Loop Earplugs; Amsterdam; Hybrid; EUR 76,000 - 92,000; Full time

Job summary

Loop Earplugs in Amsterdam (hybrid) seeks a Senior Product Design Engineering Lead to drive mechanical development from concept to mass production. You will lead system architecture, own CAD direction, and guide design decisions with manufacturability, reliability, and cost in mind.

You will collaborate across Industrial Design, Product, Operations, and Quality, ensuring robust engineering and scalable hardware performance. Strong AI judgment is valued in decisions.

Qualifications

• Bachelor’s degree in Mechanical Engineering, Product Design, or related field.
• 8+ years of experience in mechanical product design, preferably in consumer electronics or hardware.
• Deep expertise in 3D CAD, with strong knowledge of tolerancing, material selection, and mechanical stack ups.
• Strong understanding of manufacturing processes including injection molding, die casting, CNC, and supplier collaboration during builds.
• Experience using root cause analysis, DFMEA, prototyping, and validation testing to identify and resolve mechanical risks.
• Strong judgment navigating complex trade offs across Industrial Design, Product Management, Operations, Quality, and engineering partners.
• The ability to influence technical decisions by communicating engineering feasibility, risks, and options clearly.
• Intentional, practical use of AI to improve the quality of your work and decisions. You know where AI adds value and where it doesn’t.

Responsibilities

• Own system level mechanical architecture, from early concepts through production readiness.
• Translate the PRD into an Engineering Requirements Document guiding design, validation, and reliability testing.
• Drive material and manufacturing process selection aligned with performance, cost, and timeline requirements.
• Lead structured root cause analysis and risk mitigation for mechanical issues, including late stage builds.
• Guide cross functional technical decisions, framing trade offs clearly and keeping decisions aligned with long term program goals.
• Drive engineering sprints that enable milestones including PRD lock, vendor selection, and gate reviews.
• Build trusted partnerships across engineering, design, product, operations, quality, sourcing, and suppliers.
• Surface technical risks early and create the clarity needed for teams to make difficult decisions quickly.

Skills

Root cause analysis

Trade-off decision making

Cross-functional collaboration

Industrial design integration

Education

Bachelor’s degree in Mechanical Engineering, Product Design, or related field

Tools

3D CAD

DFMEA

Prototyping

Job description

Loop Earplugs in Amsterdam (hybrid) seeks a Senior Product Design Engineering Lead to drive mechanical development from concept to mass production. You will lead system architecture, own CAD direction, and guide design decisions with manufacturability, reliability, and cost in mind.

You will collaborate across Industrial Design, Product, Operations, and Quality, ensuring robust engineering and scalable hardware performance. Strong AI judgment is valued in decisions.