Building Services Manager; Mechanically Biased

Who Is Walter Lilly?

Walter Lilly is a premier provider of high quality construction services for London and the South East’s finest landmark and heritage buildings, alongside state-of-the-art science and higher education facilities. With over 100 years experience, we bring bold, complex projects to life. Our clients come to us for the best, expecting results that stand out on a global stage.

Boasting an impressive track record of unique projects, we work with industry-leading architects, engineers, interior designers, and highly skilled tradespeople on a portfolio ranging from the UK’s most recognisable listed attractions to cutting-edge contemporary structures. This is the ideal role for a talented Building Services Manager with a strong mechanical background to progress their career with a top-tier construction contractor. You will have the chance to work at the heart of complex, high-profile projects, where your ideas, decisions, and expertise drive solutions that make a visible, lasting difference.

• Competitive salary

• 26 days' annual leave

• Private medical insurance

• Income Protection Insurance

• Automatic enrolment to company pension scheme ('opt out' available)

• Travel expenses

At Walter Lilly, we work with each other and our clients in the spirit of collaboration. We recognise the expertise of those who have been with us for many years whilst investing in the next generation of rising industry stars, combining invaluable experience with fresh, innovative thinking. We are an Equal Opportunities Employer committed to fostering a diverse, equitable and inclusive workplace where everyone feels valued, respected, and supported to reach their full potential.

We strive to create a culture where employees can bring themselves to work in line with our core values of integrity, honesty, and fairness.

As a Building Services Manager, you will oversee the full lifecycle of building services delivery on a major new-build science facility in Bracknell, from pre-construction through to commissioning, handover, and aftercare.

Working closely with project teams, consultants, and specialist subcontractors, you will manage the successful coordination, integration, and delivery of all MEP services within a technically complex laboratory and science environment. You will ensure that building services solutions are designed, coordinated, and delivered to meet stringent operational, performance, compliance, and sustainability requirements.

Your expertise will be central to developing commissioning and validation strategies, managing the commissioning process, and ensuring the seamless integration and performance of all mechanical, electrical, public health, and specialist laboratory systems.

You will also take responsibility for coordinating utilities installations and liaising with statutory authorities, while working collaboratively with colleagues across departments to ensure successful project delivery in line with the project programme and the Inter-Departmental Integration of Activities Schedule.

• Manage the design development, coordination, and delivery of all MEP services throughout the project lifecycle.

• Ensure building services installations are fully integrated with the wider construction programme and project objectives.

• Review and interrogate MEP designs, identifying risks, clashes, and opportunities for improvement.

• Lead the commissioning and validation process, developing detailed commissioning programmes and ensuring successful system performance, testing, and handover.

• Coordinate utility connections and collaborate with statutory authorities to achieve programme milestones.

• Work closely with project managers, site teams, consultants, and specialist subcontractors to ensure timely and high-quality delivery.

• Manage the integration of complex building services systems within laboratory, research, and science environments, ensuring compliance with operational and regulatory requirements.

• Monitor building services quality, compliance, health and safety performance, and programme delivery across all project stages.

• Review subcontractor submissions, method statements,…