Senior Water Infrastructure Quantity Surveyor

United Living Group; Portsmouth; On-site; GBP 55,000 - 75,000; Full time

Job summary

United Infrastructure Water, part of United Living Group, is seeking a experienced Quantity Surveyor to manage commercial activities across water and wastewater infrastructure projects. You will lead pre-contract to final account, administer NEC contracts and coordinate changes, claims, payments, and cost reporting.

You will collaborate with client teams and subcontractors, mentor junior staff, and ensure robust budgeting, forecasting and risk management across AMP7/AMP8 programs.

Qualifications

• Significant post-qualification experience in a Quantity Surveying role within civil engineering or utilities infrastructure.
• Proven experience working on water and wastewater projects (e.g. treatment works, pipelines, pumping stations, reservoirs, network upgrades).
• Experience delivering projects under AMP frameworks (e.g. AMP7 / AMP8).
• Strong commercial management experience across the full project lifecycle, from pre-contract through to final account.
• Demonstrable experience administering NEC contracts, including compensation events, early warnings, and programme impacts.
• Experience in cost planning, forecasting, and budget control on large-scale infrastructure projects.
• Proven ability to manage subcontractor procurement, payments, variations, and final accounts.
• Experience preparing and negotiating valuations, change control, and commercial reports.
• Ability to manage and mentor junior Quantity Surveyors and Commercial Assistants.
• Experience working collaboratively within integrated delivery teams and with client representatives.
• Strong understanding of risk management and value engineering within regulated utility environments.

Responsibilities

• Negotiate the terms and conditions of subcontracts.
• Management and payment of specialist subcontracts and key suppliers.
• Ensure compliance with the contract terms, conditions, rights and obligations of the contract.
• Coordinate any changes or amendments that may occur over the course contract, following the change process in accordance with this NEC 4 Option A, B & E contract.
• Analyse the impact of the change and any liability exposure that the change might cause.
• Ensure obligations specified in the contract are met through monitoring and tracking.
• Undertake site visits to administer the contract in line with the progress of the works.
• Monitor and report on the performance of the contract in terms of programme, cost and key events or issues.
• Full commercial management of the contract incorporating pre-contract (inc. full baseline estimating build up), tendering, design, pricing, construction and post contract activities.
• Perform the closeout process by reviewing the contract agreement, verifying that all terms and conditions of the agreement have been met and verifying all payments due have been made.
• Obtain and execute any forms, reports or clearances required and resolve any outstanding issues.
• Perform all duties in a collaborative manner with both client and subcontractors.
• Work with the project team to evaluate the impact of changes to the budget.
• Capture and report cost variances.

Skills

Subcontractor procurement

Contract administration

NEC contracts

Cost planning

Budget control

Valuations

Change control

Final accounts

Tendering

Risk management

Job description

United Infrastructure Water, part of United Living Group, is seeking a experienced Quantity Surveyor to manage commercial activities across water and wastewater infrastructure projects. You will lead pre-contract to final account, administer NEC contracts and coordinate changes, claims, payments, and cost reporting.

You will collaborate with client teams and subcontractors, mentor junior staff, and ensure robust budgeting, forecasting and risk management across AMP7/AMP8 programs.