Are you a commercially sharp MEP Estimator (Mechanical Bias) with a track record of delivering high-stakes bids in the Rail, Commercial or Industrial sectors? Do you thrive on the challenge of taking a project from ITT through to final governance? Our business works together to achieve excellent outcomes in complex infrastructure engineering. We are looking for a motivated Senior Building Services Estimator to join our Preconstruction team and help us build accurate, competitive, and innovative cost solutions for a future-ready built environment. The Role As a Building Services Estimator, you will be the commercial engine behind our bids. Reporting to the Preconstruction Manager, you will be responsible for compiling comprehensive Mechanical and Electrical proposals that account for logistics, constructability, and site-specific risk factors. Key Responsibilities: Cradle-to-Grave Estimating: Take full ownership of bids from ITT through to final checks, ensuring every submission is ready for senior management approval Technical Analysis: Produce accurate take-offs and quantification of works using Amtech/trimble and other digital tools Risk & Opportunity: Assist in evaluating project risk factors and identifying commercial opportunities to ensure our bids are both competitive and deliverable Supply Chain Mastery: Vet supplier and subcontractor enquiries, technically review quotations, and negotiate the best solutions for ...