Mechanical Service Engineer

ZipRecruiter; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A prestigious educational institution in London is seeking an experienced Building Services Engineer (Mechanical) to handle both planned and reactive maintenance across a large mechanical infrastructure. This critical shift-based role requires a Level 2 Mechanical qualification, HVAC experience, and a valid UK driving licence. The role offers competitive salary and benefits including annual leave, life assurance, and flexible benefits.

Benefits

25 days annual leave + bank holidays

Matched pension (6–8%)

Life Assurance & Private Medical Insurance

Flexible benefits

Volunteering day

Qualifications

• Level 2 Mechanical qualification required; Level 3 desirable.
• Proven HVAC experience essential.
• Background in maintaining large commercial buildings preferred.

Responsibilities

• Conduct PPM and reactive maintenance on mechanical systems.
• Attend plumbing-related callouts like leaks and blockages.
• Use CAFM systems for task management and reporting.

Skills

HVAC experience

Excellent communication

Customer-facing skills

Team player

Proactive and safety-first approach

Education

Level 2 Mechanical qualification

Level 3 Mechanical qualification (desirable)

Tools

CAFM systems

Handheld device/tablet/phone

Job description

Overview

Imperial College London (Multiple Sites)

Shift Pattern: 4 on 4 off (Days & Nights) 8AM - 8PM / 8PM – 8AM

Competitive salary plus £2750 Shift Allowance

PLEASE NOTE: Drivers Licence is essential for this role

First things first. what can we offer you?

• 25 days annual leave + bank holidays (with option to buy 5 more) PLUS a day off for your birthday and increase with length of service
• Overtime availability
• Matched pension (6–8%)
• Life Assurance & Private Medical Insurance (after 12 months)
• Flexible benefits including retail discounts, electric car scheme, wellbeing support
• Recognition & referral bonus programmes
• Volunteering day & Employee Assistance Programme

We are currently seeking an experienced Building Services Engineer (Mechanical) to join our dedicated team supporting the prestigious Imperial College London contract. This is a critical shift-based role responsible for both planned and reactive maintenance across a broad mechanical infrastructure.

What you’ll be doing

• Conducting PPM and reactive maintenance on mechanical systems (pumps, AHUs, FCUs, chillers, boilers, calorifiers, compressors, etc.)
• Attending to plumbing-related callouts (e.g. leaks, toilet blockages, tap replacements)
• Carrying out emergency lighting testing and other safety-critical checks
• Using CAFM systems (handheld device, tablet, or phone) for task management and reporting
• Identifying and addressing faults proactively
• Escorting and overseeing specialist subcontractors
• Maintaining clear communication with clients and site management
• Ensuring compliance with H&S protocols at all times

What we’re looking for

• Level 2 Mechanical qualification (Level 3 desirable – C&G, NVQ, etc.)
• Proven HVAC experience
• Background in maintaining large commercial buildings (hospital experience is a plus)
• Strong multi-skilled engineering ability
• Confident using electronic devices and CAFM systems
• Excellent communication and customer-facing skills
• Full UK driving licence
• Team player with a proactive and safety-first approach

At Dalkia, we’re passionate about delivering high-quality facilities services that keep our clients’ buildings running smoothly. We promote a culture of safety, collaboration, and professional growth. As a Maintenance Assistant, you’ll be a valued member of a trusted team committed to excellence and customer satisfaction.

We are committed to equity, and we ensure that every applicant is treated fairly and respectfully throughout our selection process. If you require any adjustments, please inform us in confidence. Our talent acquisition team is here to assist you.