Head of Process Development & Scale-up (m/f/d)

At Reju, you join a purpose-led company helping to build the Circular Textile System. 

Our purpose is to transform textile waste into a valuable resource and accelerate the transition to a circular textile industry. Joining Reju means combining purpose with action in a company where people are trusted to take ownership, move fast, and create meaningful impact. 

Head of Process Development & Scale-up (m/f/d) – unlimited contract

Why Reju? - We offer:

• Meaningful work with global environmental impact and the opportunity to help shape a truly circular textile industry.
• Significant ownership and influence over key technology and scale-up decisions. 
• An entrepreneurial culture built on trust, transparency, collaboration, and accountability. 
• The opportunity to collaborate with an international, multidisciplinary team united by a shared purpose and ambition.
• Professional development and career growth opportunities as Reju continues to grow.
• Flexible ways of working with a strong focus on outcomes and impact.
• Competitive compensation and performance-based rewards. 
• The chance to contribute to one of the most advanced chemical recycling technologies driving textile circularity.

Your responsibilities will include:

• Leading the development and scale-up of Reju’s polyester recycling process from pilot and demonstration operations through to commercial deployment. 
• Translating pilot and plant operating data into robust process designs, design bases, and engineering decisions for future industrial facilities. 
• Driving technical decision-making, process optimization, and risk reduction across key unit operations, including purification, crystallization, filtration, drying, and recycle systems. 
• Coordinating process development activities across R&D, engineering, operations, and external technology partners to ensure alignment and effective execution. 
• Establishing and leading the process development roadmap, ensuring critical technical decisions, priorities, and actions are delivered in line with project objectives. 

Your profile:

• Degree in Chemical Engineering, Process Engineering or a related technical discipline; an advanced degree is advantageous. 
• Extensive industrial experience in process development, process engineering and technology scale-up within the chemical, petrochemical, polymer, recycling or related industries. 
• Demonstrated track record in successfully transferring technologies from pilot, demonstration or development scale to commercial implementation. 
• Strong expertise in separation, purification and solids handling operations, such as crystallization, filtration, drying and integrated process systems. 
• Proven ability to lead multidisciplinary teams and drive complex technical decisions in fast-paced and evolving environments. 

Are you curious?

Then we look forward to receiving your detailed application documents, stating your salary expectations and possible starting date to Michelle Cascante.

Reju www.reju.com 

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