Mechanical Building Services Engineer: PPM & Fault Finding

BGIS UK & Europe; Croydon; On-site; GBP 34,000 - 48,000; Full time

Job summary

BGIS UK & Europe is seeking a skilled Mechanical Building Services Engineer to join the Croydon team. You will deliver PPM, reactive maintenance, fault finding and repairs across mechanical building services in a customer-facing environment.

The role requires a strong understanding of commercial building services, with a focus on safe, compliant operations and reliable performance of HVAC, pumps, pipes, and water systems.

Qualifications

• Recognised mechanical or plumbing apprenticeship or equivalent qualification.
• Proven experience in commercial building services maintenance.
• Strong fault-finding and problem-solving skills across mechanical plant.

Responsibilities

• Carry out planned preventative maintenance (PPM) on mechanical building services plant and equipment in accordance with maintenance schedules and statutory requirements.
• Undertake reactive maintenance and fault-finding activities on building services systems, ensuring minimal disruption to operations.
• Maintain and repair mechanical systems including HVAC equipment, pumps, pipework, water services, heating systems, pressurisation units, expansion vessels, and associated plant.
• Perform minor plumbing works, including repairs to sanitaryware, pipework, valves, and water systems.
• Monitor plant performance and proactively identify areas for improvement, reliability enhancement, and energy efficiency.
• Ensure all plant faults and defects are diagnosed and rectified promptly.
• Support the operation and monitoring of Building Management Systems (BMS) where required.
• Liaise with specialist subcontractors and supervise their activities on site to ensure compliance with site requirements and safe systems of work.
• Administer contractor permits, work approvals, and safe isolation procedures where required.
• Operate Permit to Work and Lock Out Tag Out (LOTO) systems in line with company and client procedures.
• Ensure all maintenance activities are completed in accordance with Health & Safety legislation and company procedures.
• Prepare and follow suitable Risk Assessments and Method Statements for all tasks undertaken.
• Complete all relevant maintenance documentation and accurately update the CAFM system, ensuring PPM and reactive tasks are closed out promptly.
• Provide material requirements, parts lists, and estimated timescales for remedial works.
• Maintain plant rooms, workshops, and engineering areas in a safe, clean, and orderly condition.
• Build and maintain positive working relationships with colleagues, subcontractors, and client representatives.
• Ensure compliance with contractual KPIs and SLAs.
• Promote a positive safety culture by producing near miss reports, undertaking dynamic risk assessments, and challenging unsafe behaviours where identified.
• Wear company uniform and PPE at all times and maintain a professional image when representing BGIS.
• Support the wider engineering team and undertake any other duties reasonably requested by site management.

Skills

Fault finding

Problem solving

Communication skills

Customer service

Independence

Teamwork

Education

NVQ Level 3 / City & Guilds

Tools

Maximo

Concept

Job description

BGIS UK & Europe is seeking a skilled Mechanical Building Services Engineer to join the Croydon team. You will deliver PPM, reactive maintenance, fault finding and repairs across mechanical building services in a customer-facing environment.

The role requires a strong understanding of commercial building services, with a focus on safe, compliant operations and reliable performance of HVAC, pumps, pipes, and water systems.