We are partnering with a highly successful, Irish-owned main contractor with over a decade of strong delivery across Ireland and the UK. Known for their high standards, repeat client base, and consistent growth, this company has built a reputation for excellence in the construction of residential, commercial, fit-out, mixed-use, healthcare, education, and industrial projects. This is an exciting opportunity for an experienced Senior Quantity Surveyor to take ownership of commercial aspects across multiple high-profile sites. You will work closely with the Commercial Manager and site teams to ensure cost control, contract compliance, and value generation from pre-construction through to final account. Key Responsibilities Oversee commercial activities on designated projects from early-stage procurement to final account. Manage project costs to ensure budgets are maintained or exceeded. Measure, price, and negotiate variations to project scope. Liaise with subcontractors and consultants on contractual and cost-related matters. Track project performance through reconciliations, forecasts, and regular reporting. Mentor and support junior surveyors within the commercial team. Review technical drawings and designs to ensure cost efficiency. Prepare monthly valuations and manage subcontractor payment cycles. Requirements 7+ years experience as a Quantity Surveyor within the main contracting environment. Degree-qualified in Quantity Surveying or related discipline. Proven commercial acumen across a mix of sectors (e.g., residential, commercial, education, healthcare). Strong communication and negotiation skills. Proficiency with Microsoft Office; experience with construction ERP systems is an advantage. Full clean driving licence. Skills: Senior Quantity Surveyor