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Assistant Cost Manager​/Cost Manager; Water

Job in Liverpool, Merseyside, L1, England, UK
Listing for: AECOM
Full Time position
Listed on 2026-06-21
Job specializations:
  • Engineering
    Operations Manager
Salary/Wage Range or Industry Benchmark: 40000 - 60000 GBP Yearly GBP 40000.00 60000.00 YEAR
Job Description & How to Apply Below
Position: Assistant Cost Manager/ Cost Manager (Water Sector)

Assistant Cost Manager/ Cost Manager (Water Sector)

Are you a Cost/Commercial Management professional looking to work on projects that make a difference and enhance the world around us?

If so, we are looking for Assistant Cost Managers and Cost Managers, with a history of delivering in the Water industry to join our Infrastructure Cost Management team. At AECOM, we have secured positions on frameworks with several Water Companies, providing Cost/Commercial Management opportunities across our North, Midlands and Scotland Region operating from 8 regional offices. Additionally, we have nationwide opportunities with various government bodies.

Our growth trajectory is strong, supported by a robust pipeline of projects and you will be joining a growing team of like‑minded people that have a passion for innovation and delivering cutting edge solutions.

As an Assistant Cost Manager /Cost Manager, you will be expected to work with an Associate to successfully cost/commercially manage, coordinate and deliver water projects.

The role will cover the whole project lifecycle from initial inception, through the design, procurement process and onto the site delivery and commissioning phases.

Key Responsibilities
  • Support Cost/Commercial Management commissions, taking responsibility for their successful delivery.
  • Participation in appropriate meetings and proactively engaging in discussions, contributing to the PEP, preparing cost reports, assisting with procurement strategies and tender documentation, general post contract commercial management and administration.
  • Proactively engaging with Client, contractor, and other stakeholders, being aware of the scope of service and ensuring we deliver within the agreed parameters and help to prevent disputes whenever possible.
  • Client‑side cost management, including stakeholder, risk, and contract management.
  • Support projects and commissions are delivered to the satisfaction of the client for quality, cost, and time.
  • Develop strong relationships with clients and members of the cross‑functional team.
  • Support business development opportunities with existing and new clients.
  • Provide support on contract management services on NEC4 contracts, administering through a contract management system.
  • Advise the client on procurement strategies and review tender documentation.
Qualifications
  • Infrastructure cost/commercial management experience (Water industry experience desirable).
  • Knowledge and understanding of NEC suite of contracts, particularly the Professional Services Contract (PSC) and Engineering and Construction Contract (ECC).
  • Experience of working as part of an integrated, multi‑organisation, collaborative team.
  • Good communication and organisational skills.
  • Relationship building skills – ability to build strong relationships with clients, teams, and stakeholders as well as an ability to build and maintain networks of business contacts.
  • Able to work under own initiative where appropriate working closely with the Senior Project Managers and Associates in the delivery of some of our projects.
  • A team player with a ‘can‑do’ attitude, outgoing, polite, patient, diplomatic, personable, respectful, and flexible.
  • Excellent IT skills and the ability to utilize current digital tools.
  • Excellent numeracy, verbal, and written communication skills.
  • Ability to manage relationships both internally and externally.
  • Keen to work as part of a team and to develop and progress career development.
  • Engenders a right first‑time approach.
  • Supporter of social and CSR activities, promoting a positive and enjoyable workplace.
Education and Professional Qualifications Requirements
  • A minimum 3 years of experience in a consulting or contractor environment.
  • A relevant degree such as in quantity surveying, or relevant subject. Alternatively, relevant experience in industry would be considered acceptable for exceptional candidates.
  • Good understanding and use of NEC suite of contracts, particularly the Professional Services Contract (PSC) and Engineering and Construction Contract (ECC).
  • Working towards becoming a member of a related professional body (e.g., RICS or equivalent) (would be desirable).
  • You may be required to undertake and…
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