About the Company My client is a specialist provider of life safety solutions, delivering the design, installation, and maintenance of advanced smoke control and fire safety systems across major residential and mixed‑use developments throughout London and the South East. They work on large‑scale, technically challenging projects involving complex smoke control systems — including mechanical smoke extraction, smoke shafts, stair pressurisation, and natural AOV systems integrated with wider fire alarm and life safety systems. Due to continued growth within their smoke control division, they are now seeking an experienced Senior Smoke Ventilation Designer / Estimator to join their team in Upminster. The Role This position focuses on the design and estimation of mechanical and natural smoke ventilation systems for residential and mixed‑use buildings. You will be responsible for interpreting fire strategies, architectural drawings, and CFD modelling outputs to produce compliant smoke control system designs and accurate project costings. The role also plays a key part in supporting projects from Gateway 2 submission through to installation. Key Responsibilities System Design Design mechanical smoke extract systems including corridor ventilation, smoke shafts, and stair pressurisation systems. Design natural smoke ventilation (AOV) systems for residential buildings. Review CFD modelling outputs and f...