About Holcim

We are leaders in supplying innovative, sustainable building solutions to the UK construction industry; building progress for people and the planet.

Since 1858, we’ve helped shape the UK; powering the construction of homes and hospitals, roads and railways, schools and cities alike.

Our mission is to make sustainable construction a reality, through purposeful action that tackles real carbon and climate challenges. We are dedicated to helping Britain grow and thrive - by doing the right thing, doing it together, and making a difference.

Holcim UK Company Benefits

• Competitive Salary, plus bonus, 25 days holiday + your local bank holidays (with options to increase) and other benefits - all recognising the contribution you bring

• Be valued and supported, working as part of a highly respected team in a business that has a huge focus on Health & Safety

• We care about you and your family. That’s why we offer enhanced family benefits, including maternity, paternity, and adoption leave. We understand that your personal life and family well-being are just as important as your career, so we’re committed to supporting you every step of the way.

• Be part of something bigger with our "Women Empowered - Stronger Together Mentor Program," designed to support, inspire, and uplift women across the business.

• Free 24/7 remote GP service for you and your household, offering medical advice, prescriptions, referrals, and same-day appointments.

• Opportunities for career progression both at home and abroad

• Join our affinity groups selected by and populated by our employees which bring together employees with similar backgrounds and interests to have powerful influence on the workplace

• Staff discounts including special rates for garden landscaping products

The Opportunity

Are you ready to step into a pivotal role at one of the UK’s most important quarries? We’re looking for a Technical Supervisor (Asphalt & Aggregates) to join our team at Bardon Hill, home to one of Holcim’s three UK super quarries. This role offers the chance to lead and shape the quality and performance of our asphalt and aggregate operations, while managing a small but impactful technical team at our dedicated Technical Centre.

If you’re passionate about quality, innovation, and technical excellence, and thrive on solving problems and supporting both customers and colleagues, this is your chance to make a big impact in a high-profile role.

What You’ll Be Doing

• Lead and Support the Team – Supervise, coach, and develop your technical team to deliver exceptional results and maintain a safe, healthy working environment.
  
  

• Champion Quality – Monitor the output of asphalt and aggregate products to ensure compliance with customer requirements, national standards, and European regulations.
  
  

• Optimise Mixes – Plan, design, and maintain cost-efficient and resource-smart asphalt and aggregate mix recipes, including effective utilisation of RAP and binder.
  
  

• Technical Expertise – Be the go-to contact for technical queries across Asphalt, Aggregates, Commercial, and Operational departments, delivering added-value engineering solutions.
  
  

• Drive Continuous Improvement – Use trend analysis and statistical tools to spot opportunities, reduce remedial costs, and improve product performance year on year.
  
  

• Customer Focus – Handle technical contract reviews, complaint investigations, and customer queries promptly and professionally.
  
  

• Collaboration – Work closely with commercial and operational managers to ensure joined-up working and consistency in product design and performance.
  
  

• Compliance and Reporting – Maintain Quality Plans, ensure compliance with ISO 9001 and IMS standards, and provide clear, accurate, and timely reporting.
  
  

What You’ll Bring

• Strong technical knowledge of asphalt and aggregate production and testing.
  
  

• Proven experience in supervising, training, and coaching technical staff.
  
  

• A proactive mindset with excellent problem-solving and analytical skills.
  
  

• Knowledge of relevant standards (ISO, EN, SHW) and compliance frameworks.
  
  

• Ability to communicate technical information clearly to colleagues, managers, and customers.
  
  

• A strong safety-first attitude, with experience embedding a positive safety culture.

We are committed to building a diverse environment and are proud to be an equal opportunity employer. You will receive consideration for employment without regard to race, religion, gender, gender identity or expression, sexual orientation, national origin, disability or age.