Posted May 4, 2026
Technical Project Engineer
At a glance
Location🇨🇭 Monthey - Plant, Switzerland
Employment typeFull-time
Job familyEngineering
Original posting — from DePolyOpen original ↗
About DePoly: DePoly is an award-winning Swiss cleantech company (founded 2020) specializing in advanced recycling of PET and polyester plastics, scaling its proprietary technology from pilot plant toward industrial deployment.
Role: As Technical Project Engineer (Monthey/Sion, full-time), you lead cross-functional technology development projects from early-stage R&D through industrial implementation and manufacturing scale-up. You coordinate R&D, engineering, production, quality, suppliers and external partners to turn innovative concepts into scalable industrial solutions, acting as the central technical and project lead across several initiatives.
Key responsibilities: lead technical assessments for designing, prototyping, validating and scaling new technology and product concepts; translate market and customer needs into clear engineering specifications; coordinate multidisciplinary teams and external partners; drive solutions from lab testing through pilot and commercial-scale manufacturing; define priorities, timelines and resources; and mentor junior engineers and technicians.
Your profile: degree in Chemical, Process, Mechanical or Industrial Engineering (or related); 5-8+ years in industrial, manufacturing or technology-driven environments; experience coordinating multi-stakeholder technical projects and managing partners/suppliers; strong analytical and problem-solving skills; collaborative, hands-on mindset; fluent English (French a plus); eligible to work in Switzerland.
What they offer: a dynamic, international and mission-driven environment with high ownership and autonomy, flexible/hybrid working, rapid growth opportunities, and the chance to make a tangible environmental impact.
Role: As Technical Project Engineer (Monthey/Sion, full-time), you lead cross-functional technology development projects from early-stage R&D through industrial implementation and manufacturing scale-up. You coordinate R&D, engineering, production, quality, suppliers and external partners to turn innovative concepts into scalable industrial solutions, acting as the central technical and project lead across several initiatives.
Key responsibilities: lead technical assessments for designing, prototyping, validating and scaling new technology and product concepts; translate market and customer needs into clear engineering specifications; coordinate multidisciplinary teams and external partners; drive solutions from lab testing through pilot and commercial-scale manufacturing; define priorities, timelines and resources; and mentor junior engineers and technicians.
Your profile: degree in Chemical, Process, Mechanical or Industrial Engineering (or related); 5-8+ years in industrial, manufacturing or technology-driven environments; experience coordinating multi-stakeholder technical projects and managing partners/suppliers; strong analytical and problem-solving skills; collaborative, hands-on mindset; fluent English (French a plus); eligible to work in Switzerland.
What they offer: a dynamic, international and mission-driven environment with high ownership and autonomy, flexible/hybrid working, rapid growth opportunities, and the chance to make a tangible environmental impact.