Are you a mechanically biased Building Services professional who thrives on solving complex system problems not just managing projects? We are seeking an experienced Senior Mechanical Project Manager / Building Services Lead. This is a broader role than a traditional PM position. The successful candidate will play a key part in diagnosing mechanical system faults, developing practical and commercially sound solutions, and ensuring successful delivery and client satisfaction. This role is primarily office-based locally to heathrow, with site attendance as required. Limited home working may be considered, though this is not a remote position. Voluntary night work opportunities may arise, with additional payment. The Role You will take ownership from problem identification through to solution delivery, acting as the key link between client, technical teams, and delivery resources. Key responsibilities include: Diagnosing faults within mechanical Building Services systems Identifying root causes and developing practical rectification plans Communicating technical solutions clearly to clients Pricing works and preparing cost proposals Attending and leading client meetings Planning labour, materials, and programme delivery Ensuring resources are in place to execute works effectively Leading and communicating clear action plans to internal teams Ensuring full compliance with Health & Safety regulations and safe working practices About You Were looking for a technically strong and commercially aware professional who can think strategically and act decisively. You will have: Extensive knowledge of mechanical systems within a Building Services environment Strong fault-finding and diagnostic capability A thorough understanding of Health & Safety legislation and safe systems of work Experience pricing works and managing project budgets Excellent client-facing and communication skills The ability to lead teams and drive projects through to successful completion A proactive, solution-focused mindset Whats on Offer Company benefits package Opportunity for additional voluntary night work (with enhanced pay) A varied role combining technical expertise, commercial awareness, and project leadership If youre ready to take ownership of complex mechanical challenges and deliver high-quality outcomes for clients, wed love to hear from you. Monday to Friday 7.30-16.30pm with o/t