Building Services Manager

Company: O'Neill & Brennan

Location: Cardiff

Posted: May 2nd, 2026

Building Services Manager (£55K - £75K + car + bonus + benefits package)

O’Neill and Brennan have an excellent opportunity for a Building Services Manager (M&E) to join a leading main contractor in the South Wales region to be based from their Cardiff office.

You will lead and coordinate the MEP process from project inception through to post‑completion using commercial, contractual, programme/time awareness and technical expertise.

Reporting to their Head of Building Services, you will work alongside the preconstruction and delivery teams to carry out technical reviews of tender documents, liaise with the estimating team and supply chain partners and adjust designs accordingly as and when required.

Duties and Responsibilities

Essential Criteria

Desirable Criteria

Benefits and Additional Perks

You will be rewarded generously with a competitive package that gives you flexible benefits to fit your lifestyle and priorities. This includes but is not limited to, an enhanced pension scheme, discounted or full private medical, life assurance, incentive bonus and an EV car scheme that makes them a market leader in sustainable company travel. Applicable roles will benefit from a motoring expenditure allowance (MEA) and everyone can access a new generation of low‑carbon and electric cars via the leasing scheme.

The client will provide an inclusive and flexible working environment for people to thrive in and they are happy to support agile working wherever possible.

O’Neill and Brennan values diversity and promotes equality. All individuals will be treated in a fair and equal manner and in accordance with the law regardless of gender, marital status, race, religion, colour, age, disability or sexual orientation.

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