Plant Supervisor in Carlisle

Heidelberg Materials UK (formerly Hanson UK) is one of the UK’s largest suppliers of construction materials, employing over 4,000 people and operating around 300 manufacturing sites in the UK.

Purpose of the role

We are seeking a highly organised and proactive Plant Supervisor to take full operational responsibility for our site. This is a hands‑on role where you will oversee production, lead on health and safety, ensure quality standards are met, and provide a first‑class service to customers. You will play a critical role in ensuring the efficient, safe and compliant operation of the plant, while maintaining excellent site standards and delivering against production targets.

Key Responsibilities

• Operational Management – Take full control of day‑to‑day plant operations, ensuring safe and efficient running of the site; operate computer‑based batching and dispatch systems accurately; schedule and manage customer orders to meet demand and optimise output; ensure continuous availability of materials, additives and fuel; monitor plant utilisation to maximise efficiency and performance.
• Customer Service – Act as the primary point of contact for customers, both face‑to‑face and over the phone; handle enquiries and process orders professionally, maintaining a high standard of company representation.
• Health, Safety & Compliance – Ensure full compliance with the Health & Safety at Work Act and company safety policies; enforce safe working practices across employees, contractors and visitors; report and act on any risks, defects or incidents that could impact safety, environment or operations; maintain compliance with environmental legislation, including waste, water discharge and dust control; adhere to quality control procedures, fraud prevention and Competition Act requirements.
• Quality & Production – Accurately batch concrete and mortar in line with technical procedures and specifications; ensure all products meet company quality standards; manage and resolve delivery or ticket discrepancies promptly.
• Maintenance & Site Standards – Carry out routine inspections, maintenance and defect reporting; ensure plant, equipment, buildings and surrounding areas are clean, safe and well maintained; maintain stock control, including weekly visual checks and monthly verification; oversee incoming materials inspection and documentation; manage plant operations during winter conditions.
• Leadership & Coordination – Supervise contractors and hauliers on‑site to ensure safe and efficient operations; review working practices regularly to improve performance and efficiency; seek guidance from the District Operations Manager when required.

About You

• Previous experience in plant operations, production or a similar industrial environment.
• Strong understanding of health, safety and environmental standards.
• Ability to manage multiple priorities in a fast‑paced environment.
• Comfortable using computerised systems and production controls.
• Strong communication and customer service skills.
• Proactive, organised and able to work independently.
• Willingness to carry out hands‑on tasks, including maintenance and working at height.

What We Offer

• A key leadership role with real ownership of site performance.
• A supportive environment with opportunities for development and training.
• Competitive salary and benefits package.

Heidelberg Materials is an equal opportunity employer. We are committed to providing a diverse and inclusive workplace and to ensuring a fair and respectful environment for all employees. We welcome applicants from all backgrounds and provide reasonable accommodations for individuals with disabilities. We also offer family‑friendly policies such as enhanced maternity and parental leave, neonatal care, adoption support, and access to an Employee Assistance Program, mental health first aiders and discounted private medical benefits.