Senior Quantity Surveyor – Water Infra (Flexible Hours)

Kier Group; Rickmansworth; On-site; GBP 60,000 - 80,000; Full time

Job summary

Kier Group is seeking a Senior Quantity Surveyor to join the Thames Water – Maple Lodge STW team in Rickmansworth. The role focuses on delivering all commercial and contractual responsibilities on a major project, with exposure to cost forecasting, variation management, and subcontract administration.

You will mentor junior QS staff, manage procurement through to final accounts, and report on financial performance to support governance and decision making.

Qualifications

• Experience as a Senior Quantity Surveyor or senior QS on major civil engineering, process or water infrastructure projects.
• Strong contract management and change control knowledge.
• Experience managing subcontract packages through full commercial lifecycle.
• Proven ability in CVRs, cost forecasting, financial reporting and governance.
• Excellent analytical, negotiation and communication skills; ability to mentor junior commercial staff.

Responsibilities

• 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

Skills

Senior QS experience

Contract management

Change control

Cost forecasting

Financial reporting

Mentoring juniors

Negotiation

Analytical skills

Communication skills

Job description

Kier Group is seeking a Senior Quantity Surveyor to join the Thames Water – Maple Lodge STW team in Rickmansworth. The role focuses on delivering all commercial and contractual responsibilities on a major project, with exposure to cost forecasting, variation management, and subcontract administration.

You will mentor junior QS staff, manage procurement through to final accounts, and report on financial performance to support governance and decision making.