We're looking for a Senior Quantity Surveyor to join our Thames Water – Maple Lodge STW team based in Rickmansworth. Location: Maple Lodge STW, Rickmansworth Hours: Full time - some flexibility on hours available if desired, just let us know when you speak to us. We are unable to offer certificates of sponsorship to any candidates in this role. This is an exciting opportunity to join a major water infrastructure upgrade project, supporting and deputising for the Commercial Manager. You'll lead day-to-day commercial management of key packages, ensuring robust cost control, supply chain management, and accurate reporting. As a senior member of the commercial team, you'll provide guidance to colleagues while contributing to the commercial success of this significant scheme from construction through to final account. What will you be responsible for? As a Senior Quantity Surveyor, you'll be working within the commercial team, supporting them in delivering all commercial and contractual responsibilities on this major project. Your day to day will include: Managing the commercial and financial aspects of allocated works packages, ensuring adherence to contract terms and internal governance Preparing and maintaining detailed cost forecasts, cashflow projections, and variance analyses with accurate and timely reporting Leading change management processes including valuation, justification, and agreement of variations Managing procurement and administration of subcontract packages from tender enquiry through to final account settlement Providing guidance and technical support to Quantity Surveyors and Assistant QSs, reviewing their outputs and supporting their development What are we looking for? This role of Senior Quantity Surveyor is great for you if you: H ave proven experience as a Senior Quantity Surveyor or strong Quantity Surveyor on major civil engineering , process or water infrastructure projects Possess a strong understanding of contract management and change control Can demonstrate experience managing subcontract packages through the full commercial lifecycle Are highly competent in CVRs, cost forecasting, financial reporting and commercial governance Have excellent analytical, negotiation and communication skills with the ability to mentor junior commercial staff We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat. Rewards and benefits We're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here. Diversity and inclusion Making Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview. We look forward to seeing your application to #joinkier #LI-CH1. TPBN1_UKTJ