Building Services Engineer

Building Services Engineer – Mechanical Bias Department Estates / Facilities Management Reports To Head of Estates / Facilities Director / Head of Engineering Location London Job Purpose To manage, maintain, and continuously improve the mechanical building services across the site(s), ensuring statutory compliance, operational reliability, and energy efficiency.

The role holder will lead the mechanical engineering function within the wider building services team, providing technical expertise on HVAC, heating, cooling, ventilation, pumps, and associated plant, while also overseeing the coordination of electrical, public health, and fabric services where required.

Key Responsibilities Mechanical Engineering & Plant Management Manage the operation, maintenance, and performance of mechanical building services, including HVAC systems, boilers, chillers, air handling units (AHUs), pumps, calorifiers, and associated pipework and controls.

Ensure all mechanical plant and systems are maintained in accordance with manufacturer guidance, industry best practice, and statutory requirements. Oversee planned preventative maintenance (PPM) schedules and reactive maintenance response for mechanical assets.

Diagnose and resolve complex mechanical faults, escalating and coordinating specialist contractor support where necessary. Review plant performance data (e.g. BMS trends) to identify inefficiencies, faults, or opportunities for improvement.

Compliance & Statutory Duties Ensure compliance with relevant legislation and guidance, including but not limited to: Health & Safety at Work Act, L8 (Legionella/ACOP L8), F-Gas Regulations, Pressure Systems Safety Regulations, Building Regulations Part L, and relevant British/European Standards (e.g.

BS EN, CIBSE guides). Maintain accurate compliance records, certification, and audit trails for all mechanical systems. Act as a Responsible/Competent Person for relevant mechanical disciplines (e.g. Legionella, Pressure Systems) as required.

Liaise with statutory bodies, insurers, and auditors on mechanical compliance matters. Team & Contractor Management Line-manage in-house mechanical/multi-skilled engineers, including performance management, training, and development.

Manage specialist mechanical subcontractors and service providers, including contract performance, KPIs, and SLAs. Coordinate mechanical works with electrical, BMS, and fabric teams to ensure integrated service delivery.

Participate in and manage an on-call/emergency response rota for critical mechanical plant failures. Projects & Continuous Improvement Support or lead small-to-medium capital and lifecycle replacement projects relating to mechanical plant.

Provide technical input into design reviews, specifications, and tender documentation for mechanical works. Identify and implement energy efficiency and sustainability initiatives relating to mechanical systems. Contribute to asset lifecycle pla...

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