Production Supervisor in Machynlleth

Production Supervisor - Rail Rolling Stock

We are currently recruiting for an experienced Production Supervisor to join a leading client within the Rail Rolling Stock industry at their depot in Machynlleth, Wales working on a permanent basis.

This is an exciting opportunity for a motivated and technically strong individual to take on a key leadership role within a safety-critical rail maintenance environment.

The successful candidate will lead a team of skilled technicians, ensuring maintenance activities are delivered safely, efficiently, and to the highest quality standards while supporting operational reliability and fleet performance.

This role is ideally suited to someone with strong fault-finding capability, leadership experience, and a passion for continuous improvement within a fast-paced engineering environment.

The Role

As Production Supervisor, you will be responsible for supervising, planning, and coordinating maintenance activities across the depot.

You will ensure work is prioritised effectively to meet safety, reliability, and operational targets while maintaining full compliance with railway industry standards and company procedures.

You will provide technical leadership to the team, support fault diagnosis and root cause analysis activities, and drive high standards of workmanship and depot performance.

This is a safety-critical position requiring excellent leadership skills, strong technical knowledge, and the ability to manage priorities in a dynamic operational environment.

Key Responsibilities

• Lead, supervise, and coordinate a team of Rail Technicians to ensure safe and efficient delivery of maintenance activities.
• Prioritise workloads based on safety risk, operational impact, and fleet reliability requirements.
• Drive achievement of contractual performance, availability, and reliability targets.
• Participate in operational meetings and produce performance reports and KPIs.
• Ensure all maintenance activities and records are accurately maintained within GMAO and other company systems.
• Liaise with Materials Management teams to ensure timely availability of parts and materials.
• Oversee Non-Conformance Reports (NCRs) and Warranty Claims processes.
• Support stock control and material management procedures within depot stores.
• Monitor attendance, conduct return-to-work interviews, and support disciplinary and investigation processes where required.
• Conduct competency assessments and support ongoing development of technicians.
• Promote and lead a positive health & safety culture across the depot.
• Drive continuous improvement initiatives and support lean working practices including 5S.
• Ensure all work is completed in line with railway industry, site, and company quality standards.
• Technical Responsibilities

You will provide technical support and oversight across a wide range of rolling stock systems including:

• Traction and braking systems
• Passenger Information Systems (PIS), PA, and CCTV
• Passenger access doors
• Battery systems and charging equipment
• Train Control and Management Systems (TCMS)
• HVAC systems
• Auxiliary electrical systems
• Safety systems including ETCS, AWS, TPWS and OTDR
• Powerpacks, diesel engines, alternators, and associated equipment
• Fire detection and suppression systems
• Coupling systems and inter-vehicle connections
• CET and toilet systems
• High-pressure hydraulic and pneumatic systems
• Complex cab control and GPS systems
• Additional Responsibilities
• Fault finding using electrical schematics, diagnostic software, and testing equipment.
• Supporting corrective maintenance and reliability improvement activities.
• Wiring and integration of electrical components.
• Supporting modification and campaign work on rolling stock vehicles.
• Assisting with service recovery and vandalism repair activities where required.
• Supporting implementation of continuous improvement plans.
• Working across other depot locations when operationally required.
• What We’re Looking For

Qualifications

• Level 3 Engineering qualification or above.
• Candidates with lower qualifications may also be considered if supported by significant relevant experience.

Experience & Skills

• Previous experience in a leadership or supervisory role within rail or heavy engineering.
• Strong fault-finding and root cause analysis capability.
• Ability to interpret electrical, hydraulic, and pneumatic schematics.
• Experience using diagnostic software and testing equipment.
• Excellent understanding of maintenance planning and operational priorities.
• Strong communication and team leadership skills.
• Full UK Manual Driving Licence.
• PTS (Sentinel) certification preferred or ability to obtain.
• Working Pattern
• Days and nights.
• Weekend shifts where required.
• Occasional work at alternative depot locations.
• Why Apply
• Permanent opportunity with a leading rail rolling stock organisation.
• Key leadership role within a modern rail depot environment.
• Opportunity to work on advanced rolling stock systems and technologies.
• Ongoing training and career development opportunities.
• Collaborative and safety-focused culture.
• Be part of a team driving reliability and operational excellence across the rail network.

If you are an experienced rail maintenance professional with strong leadership skills and a passion for delivering high-quality engineering standards, we would love to hear from you.

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