Senior Quantity Surveyor

Overview

The Senior Quantity Surveyor is responsible for the full commercial management of projects. Working closely with the Contracts Manager, Project Manager and the wider construction team, the role ensures that projects are delivered successfully, risks are managed and commercial returns are maximised. The Senior Quantity Surveyor takes ownership of commercial and contractual issues while supporting the development of junior staff and contributing to the overall performance of the business.

At John Sisk & Son, we’re more than a construction company, we’re a family-owned business with a global reach, committed to building excellence in every project. We deliver trust, certainty and value to our clients while embracing innovation and shaping the future of construction.

• Take ownership of the commercial strategy for the project and adapt it in consultation with the Managing Quantity Surveyor

• Represent the company in commercial and contractual matters, ensuring entitlements are maintained and protected

• Lead procurement activities including preparation of tenders, subcontract selection, order placement and management through to final account

• Prepare and present financial forecasts, cash flow projections, reconciliations and valuations

• Manage and agree variations with accurate supporting records

• Produce and agree final accounts in a timely manner

• Ensure commercial compliance across contracts including traditional, design and build, and projects above €5m to €15m

• Maintain and update project risk and opportunity registers

• Monitor for changes, implement mitigation measures and manage opportunities to enhance project outcomes

• Manage claims and disputes, including preparation of records, formulation of arguments and representation to stakeholders

• Manage, mentor and oversee junior commercial staff including Quantity Surveyors and Assistant Quantity Surveyors

• Provide training, guidance and supervision on measurement, reporting and commercial procedures

• Support performance reviews and development planning in line with company standards

• Promote collaboration and knowledge sharing within the team

• Ensure accurate commercial reporting in line with company valuation policy

• Maintain independent review and oversight of cost value reconciliations

• Support pre-construction teams with commercial input during tenders and two-stage procurement processes

• Provide regular reporting to senior management on commercial performance, risks and opportunities

• Interpret and apply contract law to ensure compliance and protect the company’s position

• Provide detailed advice on contract conditions, including NEC and JCT forms

• Draft contractual correspondence and sensitive reports for issue to clients and stakeholders

• Lead procurement, negotiation and management of complex subcontract agreements

• Advise on and manage bonds, warranties, guarantees, insurances and letters of intent

• Liaise with clients, consultants, subcontractors and project partners on commercial matters

• Support negotiations to secure commercially acceptable outcomes

• Build and maintain professional relationships to support long‑term business growth

• Experience with design and build contracts, complex multi-disciplinary projects and high‑value contracts
• Strong commercial awareness and ability to innovate in cost management
• Ability to influence, challenge and commercially support wider project teams
• Knowledge of industry trends and CPD participation in commercial and legal updates

• Degree in Quantity Surveying or a related discipline
• Training in commercial management, dispute resolution and contract law
• Training in leadership, delegation, presentation and communication skills
• Training in behavioural‑based safety and risk management

• Chartered membership of RICS, CIOB or equivalent professional body
• CPD in legislation, industry trends and advanced commercial management practices

• Competitive salary
• 26 days annual leave plus additional company days
• Pension and benefits
• Unlimited…