Assistant 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.

Equal Opportunities Statement - At United Infrastructure, we are committed to making every interaction a positive and inclusive experience. If there is anything we can do to support you, remove barriers, or make the process more accessible, please let us know — we want this to be the best possible experience for you.

Job Title: Assistant Quantity Surveyor Location: Affinity Water Contract (Various Sites) Company: United Infrastructure Reporting To: Senior Quantity Surveyor

Role Purpose

The Assistant Quantity Surveyor will support the commercial management of water infrastructure projects delivered under the Affinity Water framework. Working closely with the commercial and operational teams, the role is focused on assisting with cost control, contract administration, and financial reporting while gaining exposure to all aspects of project commercial delivery within the utilities sector.

Key Responsibilities

Commercial Support

• Assist in the preparation of applications for payment and supporting documentation.
• Support cost capture, allocation, and tracking across multiple projects.
• Contribute to cost value reconciliation (CVR) processes and reporting.

Contract Administration

• Assist in administering contracts (NEC or similar), ensuring compliance with contract requirements.
• Support the identification and preparation of compensation events and variations.
• Maintain accurate commercial records and documentation.

Procurement & Supply Chain

• Assist in the procurement process for subcontractors and suppliers.
• Support the preparation of subcontract orders and documentation.
• Help manage subcontractor accounts, including valuations and payments.

Cost Control & Reporting

• Assist with budget monitoring, forecasting, and cost reporting.
• Track project costs and highlight variances, risks, and opportunities.
• Help prepare monthly financial reports and performance summaries.

Stakeholder Engagement

• Work collaboratively with site teams, engineers, and project managers.
• Support communication with Affinity Water representatives and supply chain partners.
• Develop strong working relationships across project teams.

Risk & Compliance

• Support identification of commercial risks and assist in mitigation actions.
• Ensure company procedures and governance are followed.
• Maintain organised and auditable commercial records.

Key Skills & Experience

• Some experience in a commercial, construction, or utilities environment (placement or graduate role acceptable).
• Basic understanding of quantity surveying principles and cost management.
• Awareness of NEC contracts (desirable but not essential).
• Strong numerical and analytical skills.
• Competent in Microsoft Office, particularly Excel.
• Degree qualified or working towards a degree in Quantity Surveying or related discipline.
• Desire to work towards professional accreditation (RICS/CICES).

Personal Attributes

• Eager to learn and develop within a commercial role.
• Strong attention to detail and organisational skills.
• Good communication and interpersonal abilities.
• Proactive and willing to take initiative.
• Team-oriented with a positive attitude.

What We Offer

• Structured training and development programme
• Opportunity to work on a major long-term water framework
• Mentorship from experienced commercial professionals
• Career progression within a growing utilities contractor
• Competitive salary and benefits package

Join us at United Infrastructure and be part of our mission to deliver innovative and sustainable solutions to the complex infrastructure needs of the UK. Here at United Infrastructure, we invest in our people and firmly believe that our workforce is our most valuable asset. A driving force for success and the core to achieving our vision of creating a connected and sustainable future, our team is the heart of our organisation. A fast-paced, diverse, and hugely ambitious business, we welcome challengers, innovators and people who embrace change. Establish yourself in a creative environment that champions freedom of expression, and supports you in your personal and professional development – because together, we achieve more.

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