Job Title: Process Engineer
Location: Pencoed, South Wales
Ready to help build a better future for generations to come?
Join ROCKWOOL UK, part of the world’s leading manufacturer of sustainable stone wool insulation products, and play a vital role in building a better future. At our state-of-the-art manufacturing facility in Pencoed, we transform volcanic rock into innovative, sustainable solutions that improve modern living and reduce environmental impact.
About the role:
We are looking for a talented Process Engineer to drive process enhancements, resolve production challenges, and support skills development across our operations. Reporting to the Process Manager, you will help ensure our manufacturing processes consistently achieve safety, efficiency, quality, and cost performance targets in a fast-paced, collaborative environment.
What we offer:
What you bring:
What you will be doing:
About ROCKWOOL
ROCKWOOL harnesses the natural power of stone to create innovative insulation and building solutions that make life safer, more sustainable, and more comfortable. Founded in Denmark in 1937, we are the world leader in stone wool solutions, with 51 manufacturing facilities in over 40 countries and more than 12,000 employees. Our mission is to use one of nature’s most abundant resources to help people and communities thrive while protecting the planet for future generations.
Our Culture
We are proud of our inclusive, diverse workplace, representing 79 nationalities worldwide. Everyone is valued, respected, and heard, with equal opportunities at the heart of our approach.
Life at ROCKWOOL is guided by The ROCKWOOL Way – our shared values of ambition, responsibility, integrity, and efficiency, which shape how we work, innovate, and collaborate.
Interested?
If you share our passion for making a positive difference, join us and help improve modern living conditions for millions of people worldwide.
Closing Date: 6th September 2026
We release the natural power of stone to enrich modern living.
ROCKWOOL Group is a focused industrial company with leading positions in insulation, acoustic ceilings and horticultural growing media based on proprietary stone wool technology. We harness the properties that nature has given us to create products for quality living.
Our products touch most aspects of everyday life. We offer carefully designed, innovative sustainable solutions for your comfort, safety and for the benefit of the environment.
ROCKWOOL Group's business portfolio consists of:
* ROCKWOOL® insulation solutions for buildings.
* ROCKWOOL® technical insulation solutions to both industry, marine and offshore.
* ROCKWOOL® core solutions tailor made stone wool products to be integrated into finished systems.
* Rockfon® acoustic ceilings and wall solutions.
* Rockpanel® cladding material.
* Grodan® growing media solutions for plants.
* Lapinus® solutions for applications such as friction, water management, tracks, coatings, gaskets.
At ROCKWOOL Group, we are committed to enriching the lives of everyone who experiences our product solutions. Our expertise is perfectly suited to tackle many of today’s biggest sustainability and development challenges, from energy consumption and noise pollution to fire resilience, water scarcity and flooding. Our range of products reflects the diversity of the world’s needs, supporting our stakeholders in reducing their own carbon footprint along the way.
Stone wool is a versatile material and forms the basis of all our businesses. With around 12,200 colleagues in 40 countries, we are the world leader in stone wool solutions, from building insulation to acoustic ceilings, external cladding systems to horticultural solutions, engineered fibres for industrial use to insulation for the process industry and marine & offshore.
