Role Overview: We are recruiting a Senior Quantity Surveyor to join a growing Energy & Critical Infrastructure division within a well-established M&E contractor. Reporting directly to the Commercial Director, you will take a senior role in managing the commercial and financial performance of complex M&E projects across sectors including healthcare, education and other critical environments. This is a key position offering autonomy, influence, and the opportunity to support and mentor junior commercial staff while driving commercial best practice across the division. Key Responsibilities: * Take senior commercial responsibility for multiple M&E projects from pre-contract through to final account. * Lead cost control, value management and commercial reporting across live projects. * Produce accurate monthly CVRs, forecasts, P&Ls, WIP analysis and cash flow reports. * Manage subcontract procurement, valuations, variation accounts and final accounts. * Administer contracts under NEC 3 / NEC 4 agreements, including EWNs and compensation events. * Advise operational and project teams on contractual and commercial matters. * Develop and maintain strong relationships with supply chain partners and clients. * Produce dashboard reports reflecting key commercial KPIs. * Support and mentor Quantity Surveyors within the team where required. Skills & Experience Required: * Proven experience operating at Senior Quantity Surveyor or strong Project QS level within M&E / building services. * Demonstrable experience delivering major M&E projects, ideally within healthcare, education or critical environments. * Strong working knowledge of NEC 3 / NEC 4 contracts. * Excellent commercial awareness with the ability to manage risk and maximise project profitability. * Confident communicator, able to advise stakeholders at all levels. * Strong organisational and time-management skills, with the ability to prioritise effectively. * Full UK driving licence (held for a minimum of 12 months). * Right to work in the UK and willingness to complete a DBS check if required. Benefits: * Competitive salary, dependent on experience * Company benefits package (details available upon application) * Career progression within a growing and forward-thinking division * Exposure to technically challenging and high-profile M&E projects * Supportive and inclusive working environment