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 complex challenges our clients face.
Business Areas
Utility Infrastructure – Our team designs, builds and maintains critical water, energy (gas), power and telecoms infrastructure for the UK’s largest network owners and operators.
Social Infrastructure – Our team revitalises 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.
We are seeking a proactive and detail-oriented Assistant Quantity Surveyor to support our pre‑construction team, with a key focus on estimating and managing PCSA (Pre‑Construction Services Agreement) projects.
This is an excellent opportunity for someone looking to build their commercial career within a fast‑paced environment, gaining exposure to complex schemes while taking ownership of cost planning, procurement support, and day‑to‑day commercial management during the pre‑construction phase.
Key Responsibilities
Estimating & Cost Planning
- Prepare detailed cost estimates and budgets based on Employer’s Requirements, drawings and specifications.
- Support the development and validation of cost plans throughout the PCSA lifecycle.
- Analyse supply chain quotations and benchmark pricing to ensure competitiveness.
- Assist in identifying risks, opportunities and value‑engineering options.
PCSA Commercial Management
- Support and, where appropriate, take ownership of commercial management on live PCSA projects.
- Track and report cost movement, changes and risk allowances throughout pre‑construction.Assist in maintaining accurate financial records, forecasts and reporting outputs.
- Contribute to the successful transition from pre‑construction into delivery.
Procurement & Supply Chain Engagement
- Assist with package scoping, tender enquiries and evaluation of subcontractor returns.
- Engage with the supply chain to obtain competitive and compliant pricing.
- Support early contractor involvement and build strong supplier relationships.
CVR & Reporting Support
- Contribute to the Cost Value Reconciliation (CVR) process.
- Provide accurate and timely data for financial reporting and forecasting.
- Assist in highlighting cost risks and supporting mitigation strategies.
Commercial Controls & Compliance
- Ensure adherence to commercial procedures, governance and reporting standards.
- Maintain structured documentation and cost records in line with company processes.
- Support audits and ensure transparency of cost data and decision‑making.
Stakeholder Collaboration
- Work closely with Pre‑Construction Managers, design teams and senior QS staff.
- Support coordination between design, commercial and operational functions.
- Participate in internal and external meetings where required.
About You
- Experience in a Quantity Surveying or Assistant QS role, ideally within pre‑construction or estimating.
- Strong understanding of cost planning, estimating and procurement processes.
- Familiarity with PCSA projects or early‑stage project delivery (desirable).
- Good commercial awareness and attention to detail.
- Strong communication skills and a collaborative approach.
- Working toward (or interested in) professional qualifications (e.g., RICS).
What We Offer
- Competitive salary and benefits package.
- Structured development and career progression opportunities.
- Exposure to complex, high‑value projects.
- Supportive team environment with opportunities to grow.
Apply Now
If you’re looking to develop your career in quantity surveying with a focus on estimating and pre‑construction project delivery, we’d love to hear from you.
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.
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