Night Shift Critical Engineer

Build Recruitment Limited; Chiswick; On-site; GBP 61,000; Full time

Job summary

A reputable recruitment agency is seeking an experienced Mechanical Engineer for night shifts in Chiswick. The role includes planned and reactive maintenance across various HVAC systems, supporting critical infrastructure like UPS systems. Ideal candidates should possess strong mechanical services experience and hold an NVQ Level 3 qualification. This position features a permanent night shift pattern with competitive remuneration.

Qualifications

• Required strong mechanical building services experience.
• Experience in critical environments is preferred.
• IOSH Working Safely qualification is desirable.

Responsibilities

• Perform planned and reactive mechanical maintenance.
• Work with various HVAC equipment and systems.
• Monitor systems and ensure compliance with safety standards.
• Collaborate with the engineering team for night operations.

Skills

Strong mechanical building services experience

Exposure to controls/IBS systems

Knowledge of UPS systems

Strong understanding of HVAC plant

Experience in critical infrastructure

Education

NVQ Level 3 in Mechanical Engineering or Building Services

Job description

Job Title: Mechanical Engineer – Night Shifts (4 on, 4 off)
Location: Chiswick, London
Salary: £61,000 per annum
Contract: Permanent, Full-Time
Shift Pattern: Nights Only – 4 on / 4 off

An opportunity has arisen for an experienced Mechanical Engineer to join a critical site in Chiswick, working a permanent night shift rota. This role is ideal for an engineer with strong mechanical building services experience, exposure to controls/IBS systems, and the ability to work within a fast-paced, technical environment. Experience supporting or working around UPS systems is also required.

Key Duties

• Carry out planned and reactive mechanical maintenance across a wide range of building services equipment.
• Work on pumps, motors, AHUs, FCUs, boilers, valves, CHW/LTHW plant, heat exchangers and general HVAC equipment.
• Support critical infrastructure, including assisting with UPS (Uninterruptible Power Supply) systems and generators where required.
• Monitor building services systems overnight and ensure all plant operates safely, efficiently, and in line with compliance standards.
• Diagnose faults and implement corrective actions to minimise downtime.
• Support IBS/building controls interfaces to ensure mechanical plant responds correctly to system demands.
• Maintain accurate documentation, update work orders and follow site procedures.
• Adhere to all health and safety requirements and elevate any risks promptly.
• Collaborate with the engineering team to ensure seamless night operations.

Qualifications and Skills

• NVQ Level 3 (or equivalent) in Mechanical Engineering or Building Services.
• Experience supporting critical building services, including UPS and generator-backed systems.
• Strong understanding of HVAC plant, mechanical systems, and statutory compliance.
• Experience working within a critical, high-reliability or shift-based environment preferred.
• Familiarity with BMS/controls or IBS preferred.
• IOSH Working Safely (or equivalent) desirable.