Technical Project Engineer

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Monthey, Valais, Switzerland

Sion, Valais, Switzerland

Full time

What we offer

We are an award-winning Swiss cleantech company transforming the future of plastic recycling.Founded in 2020, we are a fast-growing team of ambitious scientists, engineers, and innovators dedicated to solving one of the world’s biggest sustainability challenges. After successfully building and optimizing our pilot plant, we are now scaling toward industrial deployment while continuing to advance our proprietary recycling technologies.Joining us means becoming part of a highly collaborative and entrepreneurial environment where your work will directly contribute to the development and commercialization of breakthrough recycling technologies.

We offer:

A dynamic, international, and mission-driven environment

High ownership and autonomy from day one

Flexible working hours and hybrid work options

Opportunity for rapid professional growth

Direct involvement in scaling cutting-edge industrial technologies

The chance to make a tangible environmental impact

WHY WE ARE LOOKING

As a Technical Project Engineer, you will lead cross-functional technology development projects from early-stage R&D through industrial implementation and manufacturing scale-up. You will act as the technical and project coordination lead across multiple initiatives, working closely with R&D, engineering, production, quality, suppliers, and external partners to transform innovative concepts into scalable industrial solutions. This role is ideal for a technically strong generalist who enjoys connecting people, driving execution, and bringing complex industrial technologies to life.

YOUR Responsibilities

Lead technical assessments related to conceiving, designing, prototyping, validating, and scaling new technology and product concepts

Translate market requirements, business objectives, and customer needs into clear, quantifiable, and scalable engineering specifications

Coordinate multidisciplinary teams across R&D, engineering, production, and quality functions

Drive the development and validation of technical solutions from laboratory testing through pilot and commercial-scale manufacturing

Support the transfer of technologies and process designs from R&D into industrial implementation

Define project priorities, timelines, deliverables, and resource allocation aligned with company objectives

Coordinate suppliers, manufacturing partners, and external engineering contractors throughout the development lifecycle

Act as a central technical point of contact for internal and external stakeholders

Ensure projects progress efficiently toward technical and commercial milestones

As applicable, mentor or guide associate engineers, technicians, and quality staff

YOUR SKILLS

Graduate degree in Chemical Engineering, Process Engineering, Mechanical Engineering, Industrial Engineering, or related disciplines

5–8+ years of experience in industrial, manufacturing, engineering, or technology-driven environments

Experience coordinating technical development or industrial projects involving multiple stakeholders

Strong project and partner management experience in fast-paced, value-driven environments

Exposure to product development, process development, equipment development, or technology scale-up projects

Experience working with suppliers, manufacturers, or engineering contractors is highly desirable

Comfortable managing projects across a matrix organization without direct authority

Strong analytical thinking and problem-solving capabilities

Ability to adapt quickly to changing priorities and evolving project needs

Collaborative, hands-on, and execution-oriented mindset

Fluent in English; French is a plus

Have a Swiss working permit or be Eligible to work in Switzerland

Is this a position for you? Send us your application!

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Technical Project Engineer

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DePoly’s technology recycles unsorted, dirty PET waste into virgin-grade raw materials. Those PET precursors, PTA and MEG, are used by the industry to produce new plastics without the need for fossil fuels, while diverting valuable materials from landfills and incineration.

DePoly SA –
HQ
Rue de l'Industrie 23, 1950 Sion, Valais, Suisse

DePoly SA –
Showcase Plant
Route de l'Ile au Bois, 1870 Monthey, Valais, Suisse

La technologie de DePoly recycle les déchets PET sales et non triés en matières premières de qualité vierge.
Ces précurseurs du PET, le PTA et le MEG, sont utilisés par l'industrie pour produire de nouveaux plastiques sans avoir recours aux combustibles fossiles, tout en détournant des matériaux précieux des décharges et de l'incinération.

DePoly © 2025

This operation benefits from support from the European Union under the InvestEU Fund