Senior MEP Quantity Surveyor - Data Centres/Commercial/Public Sector - London Salary: Up to £100,000 + package or £550 per day (Outside IR35) O''Neill and Brennan are currently working with a leading main contractor delivering high-value projects across the Data Centre, Commercial, and Public Sector space. They are seeking to hire an experienced MEP Quantity Surveyor to take commercial responsibility as a No.1 on major schemes, with the opportunity to work on projects of significant scale and complexity. This is an excellent opportunity for a commercially astute MEP Quantity Surveyor looking to take ownership of large MEP packages while working alongside a high-performing project and commercial team. Role Overview - Title: Senior MEP Quantity Surveyor - Alternatives: MEP Senior Quantity Surveyor, MandE Senior Quantity Surveyor, Senior MandE Quantity Surveyor, Senior Building Services Surveyor - Project: Data Centres / Commercial / Public Sector - Location: London - Rate: Up to £100,000 or £550 per day (Outside IR35) - Start: ASAP but can wait for the right person - Type: Permanent or Freelance Responsibilities - Leading the commercial management of MEP packages up to £130m in value - Acting as No.1 MEP Quantity Surveyor on projects up to £350m total value - Overseeing procurement, valuations, variations, and final accounts - Ensuring successful commercial delivery in line with project objectives - Working closely with internal teams and subcontractors to drive performan