Plant Supervisor
| Posting date: | 24 February 2026 |
|---|---|
| Salary: | Not specified |
| Additional salary information: | Competitive |
| Hours: | Full time |
| Closing date: | 25 March 2026 |
| Location: | Cambridge, CB4 0DL |
| Company: | Tarmac Trading Limited |
| Job type: | Permanent |
| Job reference: | tarmac/TP/188377/7605 |
Summary
Purpose of the Role
Responsible for supervising the daily activities of an RMX production plant. The role ensures safe site operations, cost control, people supervision, delivery of high-quality concrete, customer satisfaction, and continuous performance improvement.
Key Tasks & Responsibilities
Operational Leadership
- Actively supervise all personnel working on site, including Operatives, visiting Technicians, Maintenance teams, HGV drivers, delivery drivers and subcontractors.
- Lead daily production activities, including operational controls and stock control.
- Ensure efficient manufacture of concrete, managing standard deviation and cement content.
- Deliver operational performance in line with KPIs.
- Effectively coach, monitor and manage performance, ensuring accurate and timely reporting.
Safety & Compliance
- Take full responsibility for personal safety and the safety of colleagues.
- Deliver toolbox talks to reinforce safety standards.
- Maintain housekeeping to a high standard across the whole site.
- Ensure concrete meets internal and external quality requirements.
- Support the completion and implementation of risk assessments and Safe Systems of Work.
Customer & Production Performance
- Produce concrete that meets customer needs while maintaining quality compliance.
- Resolve customer queries and complaints promptly and professionally.
- Identify opportunities to improve customer service and feed insights to sales teams.
- Work collaboratively with sales and operations to support customer delivery requirements.
Cost Management
- Manage fixed and variable costs associated with the plant.
- Maintain responsibility for the plant budget and support cost reduction initiatives.
Knowledge & Skills
Qualifications
- IOSH Managing Safety
- NVQ in fixed and mobile plant operations (or willingness to work towards)
Experience
- Experience in plant operations.
- Previous experience within a Readymix or Aggregates environment.
- Strong understanding of risk assessments and Safe Systems of Work.
- Working knowledge of production processes.
- Understanding of 4RAs and environmental obligations.
Skills
- Ability to implement site and process improvements.
- Ability to identify customer needs and improvement opportunities.
- Strong communication skills to support customer service and collaboration with sales.
- Ability to multitask and effectively manage change.
Behaviours
- Communicates clearly and effectively.
- Demonstrates resilience and professionalism.
- Manages conflict constructively.
- Values and respects differences.
- Drives results and meets commitments.
- Optimises resources efficiently.
- Takes accountability for outcomes.
- Shows initiative and sound judgment.
- Makes informed and consistent decisions.
Why Tarmac
We don't just offer a job, we offer a career.
Alongside this role, you'll have access to industry-leading rewards, development opportunities, and a culture that puts people first, including:
- Bonus scheme
- Enhanced holiday entitlement
- Contributory pension scheme
- Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
- Access to our Employee Assistance helpline for free and confidential advice
- Access to join our Employee Communities (employee networks) we currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & carers, Ability, Wellbeing, Female voice and menopause
- Training and development opportunities
We’re proud to be part of CRH, and even prouder to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone.If you need any reasonable adjustments during the recruitment process, just let us know, we’re here to support you.
Ready to build your future?
Click ‘Apply’ to get started. Please note: we sometimes close roles early due to high interest, so don’t wait too long!
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Tarmac Trading Limited