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Senior Quantity Surveyor

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Job Description

Costain have won extensive work across the water sector this year to support the AMP 8 investment cycle. We have been appointed by United Utilities as one of 7 partners to the Enterprise, delivering £5.5bn of projects in the Asset Management Period 8 (AMP8) between 2025 - 2030, and AMP 9 (2030 - 2035). Our scope is to provide project management, design, construction and commissioning services on design and build schemes throughout the North West and Cumbria region covered by United Utilities. Projects vary in value, covering both infrastructure and non-infrastructure assets on water and wastewater sites with wider Enterprise partners

The role of the Senior Quantity Surveyor is to provide commercial support on projects to ensure that it is procured, delivered within budget and to the highest quality whilst exceeding our customers' expectations. You will lead and develop where necessary the efficient and effective management and issue of accurate, timely and compliant notices and correspondence and ensure the compliance of all contractual activities on the project. You will ensure contractual and commercial risks and opportunities are identified to the Project Director / Commercial Manager and address in a timely manager.

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Responsibilities

  • Maintaining registers of variations, delay, extension times and claims, effective and consistent implementation of the Company's commercial policies and procedures, within a timely manner.
  • Assist with preparation of monthly progress valuations and claim for work completed.
  • Liaise with Employers commercial team & client team within a collaborative manner to leverage opportunity and optimise the project outturn
  • Produce pre-Contract tender negotiations & reports where necessary
  • Produce monthly cost reports, forecasts, and Contract Budget reports to ensure details are appropriately underpinned and robust
  • Review value management / value engineering exercises
  • Advise on Risk management & participate in Risk workshop
  • Prepare, review and complete of sub-contract documentation
  • Plan change management and cost control
  • Produce and monitor Commercial / Contractual correspondence and issues to reflect COSTAIN best practice
  • Prepare & agree final accounts with sub contractor
  • Review subcontract tender enquiries
  • Agree final accounts
  • Identify and price specification changes
  • Manage subcontracts from initial placement of order to final account
  • Monitor and update Procurement Plan, Sub-contract procurement including analysing commercial comparisons

Knowledge, Skills and Experience

  • Experience of NEC form of Contract
  • Significant commercial experience preferably in the water sector
  • Increasing knowledge of a variety of forms & options of contracts
  • Have a good understanding and experience of business systems, spreadsheet development, cost analysis, programme evaluation and development, compensation event and/or variations assessment and evaluation
  • Have experience or appreciation of the risk management process for both schedule and cost and the use of Earned Value Management

Qualifications

  • Holds an RICS / CICES accredited degree
  • Hold / nearing completion of Full Membership of either RICS or CICES
  • Relevant degree / equivalent in Quantity Surveying
  • Full Clean Drivers Licence

Senior Quantity Surveyor

Costain
Manchester, UK
Full-Time

Published on 21/01/2026

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