Senior Quantity Surveyor

United Infrastructure is a dynamic and rapidly expanding business, focused on delivering critical infrastructure projects, across the utility and social infrastructure sectors.

Our team of highly skilled and hardworking specialists deliver innovative solutions to the complex challenges our clients face.

Our company is split into two business areas:

Utility Infrastructure –
Our team of Utility Infrastructure specialists design, build and maintain critical water, energy (gas), power and telecoms infrastructure, for the UK’s largest network owners and operators.

Social Infrastructure -
Our team of Social Infrastructure specialists revitalise homes and communities by carrying out a wide range of work, from retrofit to refurbishment, and maintenance.

This is an exciting time to join United Infrastructure Water as the business continues to grow, and we have a significant order book of secured future projects.  Our Water Infrastructure business designs, builds and maintains critical water and wastewater assets on behalf of the UK’s water companies. Specific 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

• 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

Desirable / Additional

• Experience working for or alongside Tier 1 contractors or major water frameworks
• Knowledge of Ofwat regulatory requirements and commercial drivers in the water sector
• Familiarity with cost management systems and reporting tools used in infrastructure projects
• Strong stakeholder management, negotiation, and communication skills