Mechanical Engineering Supervisor (Steam & Mechanical Plant)
Location: South Mimms, Hertfordshire
Hours: Monday to Friday, 8:00am - 5:00pm
Overtime: Weekend overtime available for steam checks and operational requirements
About the Rolegeneration and associated mechanical plant systems at a major new development in South Mimms.
This is a hands-on supervisory role responsible for ensuring all plant and equipment are operated safely, efficiently, and in compliance with statutory regulations, site procedures, and contractual performance standards. The successful candidate will play a key role in delivering planned preventative maintenance, reactive maintenance, statutory compliance, and operational continuity across the site.
Key Responsibilities
* Operate and monitor steam boilers, calorifiers, pressurisation units, pumps, valves, pipework systems, and associated mechanical plant.
* Carry out daily plant inspections and record operational readings.
* Monitor steam pressures, temperatures, water levels, and overall plant performance.
* Ensure the safe and efficient operation of all steam and heating systems.
Planned Preventative Maintenance (PPM)
* Deliver maintenance activities in line with the Annual Planned Maintenance Schedule.
* Complete maintenance tasks in accordance with manufacturer recommendations, statutory requirements, and industry best practice.
* Replace consumables and minor components as required.
* Maintain accurate service records, maintenance documentation, and compliance reports.
Reactive Maintenance
* Respond to plant breakdowns, system faults, alarms, and emergency callouts.
* Diagnose and rectify mechanical and steam system faults efficiently.
* Undertake repairs and minor remedial works.
* Escalate significant defects, risks, or operational concerns to management.
Health & Safety & Compliance
* Ensure compliance with:
o Pressure Systems Safety Regulations (PSSR)
o Health & Safety at Work Act
o Permit-to-Work procedures
o Lock Out / Tag Out (LOTO) systems
o Participate in risk assessments and safe systems of work.
o Maintain clean, safe, and compliant plant room environments.
o Support a strong safety culture across the site.
Essential Qualifications & Experience
* NVQ Level 3 / City & Guilds in Mechanical Engineering, Building Services, or equivalent.
* BOAS (Boiler Operation Accreditation Scheme).
* Gas Safe Registered with:
o CODNCO1 - Commercial Catering / Direct Fired Appliances
o CIGA1 - Indirect Fired Heating Appliances
o CDGA1 - Direct Fired Heating Appliances
o TPCP1 / TPCP1A - Testing and Purging Commercial Pipework
* Proven experience operating and maintaining commercial steam systems.
* Strong knowledge of boiler plant and pressure systems.
* Experience with:
o PSSR regulations
o Safe isolation procedures
o Permit-to-Work systems
o CAFM systems
* Background within commercial building services or facilities management environments.
Desirable Qualifications
* IOSH Working Safely or equivalent.
* Water Hygiene / L8 Awareness.
* HVAC or BMS experience.
* Experience within healthcare, education, research, or large commercial facilities.
Skills & Attributes
* Excellent fault-finding and problem-solving abilities.
* Strong communication and reporting skills.
* Ability to work independently and supervise site activities effectively.
* Good understanding of statutory compliance requirements.
* Ability to prioritise workloads and respond to operational emergencies.
* Professional, proactive, and customer-focused approach.
This role would suit a technically strong mechanical professional with extensive steam plant experience who is looking to take ownership of a critical site operation. You'll be joining a growing development where reliability, safety, and high standards of maintenance are essential to success.
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