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InSpek develops optical microchip sensors capable of measuring multiple molecules, temperature, acidity, oxygenation, and more — directly at the heart of biochemical reactions. Our technology enables smarter production of medicines, food, and energy while minimizing waste. We are a VC-backed, ambitious team pushing the boundaries of what sensors can achieve. We are seeking an R&D Mechanical Engineer to develop the mechanical part of InSpek’s sensing systems. You will work on the design, prototyping, and manufacturing of optical assemblies involving our chip-scale sensors, OEM components, and custom-made parts. Your work will ensure the mechanical and manufacturing readiness of components, from R&D tools to production-grade assemblies. Your role will be hands-on and collaborative, working closely with internal teams and external partners to debug, prototype, and manufacture next-generation sensing solutions.
Job Responsibility:
Design and iterate mechanical components and assemblies that meet cleanliness, sterility, and durability standards for bioproduction environments
Build and iterate prototypes using 3D printing, CNC machining, and other rapid prototyping methods
Conduct tests to validate performance and durability in real-world bioproduction conditions
Collaborate with internal teams and external partners to debug and refine mechanical designs
Optimize designs for cost, scalability, ease of assembly, and compliance with biotech requirements
Identify, qualify, and onboard subcontractors and engineering houses for specialized mechanical tasks
Work with CMOs, contractors, and industrialization partners to ensure mechanical components meet technical and quality standards
Contribute to procurement, timeline management, and technical documentation
Ensure smooth transitions from prototyping to volume production
Perform mechanical testing and validation to ensure components meet performance and regulatory requirements
Support quality control processes, with an emphasis on compatibility with bioproduction and pharmaceutical standards
Requirements:
4+ years of experience (or equivalent) in mechanical engineering or industrial design, industrialization
Strong background in mechanics, system design, and integration, including proficiency with CAD tools and mechanical prototyping (e.g. 3D printing)
Hands-on experience with mechanical component selection, testing, and validation
Familiarity with hazardous environments such as bioproduction (preferred), space, and sub-sea
Experience with cleanroom, sterilization, material compatibility and radiation
Experience with supplier follow-up and project management
Excellent communication and project management skills
Ability to manage multiple stakeholders and prioritize tasks in a fast-paced environment
Fluency in English
Nice to have:
French is a plus
Knowledge of optoelectronic packaging or microfabrication
Familiarity with ISO standards
What we offer:
Health and life insurance (100%)
Meal vouchers
Gymlib account (access to gyms & sports)
Employee stock options (BSPCE)
Flexible remote work policy
Growth opportunities with potential for leadership roles
Regular social events
Inclusive culture
Unique opportunity to be an early employee at an innovative startup
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