About Us

Founded by scientist and entrepreneur Dr. Jade Bouledjouidja, Renasens has developed an innovative technology that transforms textile waste into new fibers. Our patent-pending technology uniquely recycles both pure and blended fibers like polycotton without sacrificing quality. Energy-efficient and cost-effective, it produces yarns with the same quality and feel as virgin textile, at same price, supporting a closed-loop textile system

We’re scaling our team and seeking a driven Research and Development Engineer with experience of working with supercritical fluid technologies in textile or fiber treatment applications. In this role you will implement and develop a process for polycotton fiber separation and drive the development of our technology forward, in collaboration with our cross-functional team.

Responsibilities:

- Lead the development of separation process of polycotton fibers

- Characterize the recovered cellulose and polyester fibers

- Participate in the implementation of a pilot plant and scaling of the technology

- Assist with the spinning of new yarns,

- Collaborate with a cross-functional team and external partners.

We are looking for the following qualifications:

- PhD in Chemical or Process engineering

- Proven experience in using super critical fluids

- Mastering separation process of fibers

- Very driven with high standards and work ethics

- Curious with Strong problem-solving and critical thinking skills

- Self-motivated team player, with ability to work independently

- Great communication (fluent in English) and project management skills

- Wanting to make an impact in a smaller team with big vision

- Based in, or willing to relocate to, Stockholm, Sweden

Why Join Renasens?

Impact: Help drive positive change in textile production towards a circular economy.

Innovation: Collaborate in a science-driven team at KTH and Norrsken House, blending research with impact-driven entrepreneurship.

Growth: Take on significant responsibilities in a small team where your contributions truly matter.

Culture: Join a diverse, inclusive team of international scientists and entrepreneurs. We believe you share our values and demonstrate:

Integrity: Acting ethically, taking responsibility, and treating others with respect.

Accountability: Owning your actions and proactively solving challenges.

Transparency: Being open about intentions and feedback, fostering growth.

Passion: Deeply committed to our mission and thriving in a fast-paced environment.

Resilience: Learning from setbacks and staying determined to succeed.

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Recruitment process

Apply soon, as we review applications on a rolling basis. This is a full-time role based in Stockholm. A valid EU and Sweden work permit is required. Renasens values diversity and inclusivity and welcomes applicants from all backgrounds.

Locations

Stockholm

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