Mill Maintenance Engineer - PLCs, On-Call & Training

Wynnstay Group PLC; Llansantffraed; Remote; GBP 36,000 - 56,000; Full time

Benefits offered by this job

25 days' annual leave

Bank holidays

Colleague discount

Profit Related Bonus

Training & development

Employee Assistance Programme (EAP)

Job summary

Wynnstay Group PLC in the United Kingdom is seeking a skilled Mill Maintenance Engineer to support safe, efficient operation of our animal feed milling facility. Reporting to the Mill Maintenance Supervisor, you will balance reactive breakdown support with planned maintenance to maximise plant availability.

You will work across mechanical and electrical systems, engage with contractors, and participate in an on‑call rota while upholding HACCP, COSHH and quality standards.

Qualifications

• Experience in maintenance engineering within manufacturing/industrial environment.
• Strong mechanical and electrical fault-finding skills.
• Experience with automated plant and production equipment.
• Knowledge of PLC‑controlled systems.
• Willingness to participate in an on‑call rota.
• Commitment to health, safety and compliance standards.
• Experience in mill/animal feed or heavy process environments.

Responsibilities

• Respond quickly to mechanical and electrical breakdowns to minimise downtime and support production targets.
• Carry out fault finding, repairs and maintenance on manufacturing and milling equipment.
• Perform planned preventive maintenance to ensure reliability and performance.
• Conduct routine inspections and identify defects, escalating issues.
• Support safe operation and restart of PLC-controlled plant and equipment.
• Adhere to Health & Safety, Environmental and Quality standards (HACCP, COSHH, UFAS, VMD).
• Supervise contractors and manage site activities per procedures.
• Contribute to on‑call rota and after-hours maintenance requirements.
• Maintain accurate maintenance records and handovers.

Skills

Maintenance engineering

Electrical fault-finding

Mechanical fault-finding

PLC control systems

Automated plant experience

Teamwork

Health and safety

On-call readiness

Effective communication

Job description

Wynnstay Group PLC in the United Kingdom is seeking a skilled Mill Maintenance Engineer to support safe, efficient operation of our animal feed milling facility. Reporting to the Mill Maintenance Supervisor, you will balance reactive breakdown support with planned maintenance to maximise plant availability.

You will work across mechanical and electrical systems, engage with contractors, and participate in an on‑call rota while upholding HACCP, COSHH and quality standards.