Senior Cost Manager

Company: Ridge and Partners LLP
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Job Description:

Are you an experienced Cost Manager looking to make a real impact within the UK’s infrastructure sector? We are expanding our commercial team and are seeking a Senior Cost Manager to support the delivery of major infrastructure programmes, with a particular focus on the Water and Environment sector.

The role can be based from any of our offices: Cardiff, Bristol, London, Winchester, Reading, Oxford, Cheltenham, Cambridge, Birmingham, Liverpool, Leeds, Manchester or Newcastle.

What you need to do to be effective in this role

  • Lead the commercial and cost management delivery of complex programmes and projects from inception through to completion.
  • Manage project commercial performance, risk and opportunities.
  • Prepare and manage cost plans, estimates and benchmarks, applying whole-life costing principles where appropriate.
  • Administer and take accountability for NEC3/NEC4 contracts, supporting both pre-contract and post-contract commercial activities.
  • Lead cost assurance and governance activities, ensuring consistency, accuracy with compliance with client requirements.
  • Provide data-driven cost and commercial insight to support informed decision-making.
  • Produce high-quality commercial reporting, including performance metrics, earned value management (EVM) and outturn cost analysis.
  • Contribute to bid submissions, framework opportunities and work-winning activities where required.
  • Develop and maintain strong relationships with clients, delivery partners and industry stakeholders
  • Support business growth through networking, market engagement and identifying new opportunities.
  • Assist with developing Cost Managers towards professional qualification status.
  • Actively contribute to a positive, collaborative and high-performing team culture.

Skills and experience you need to have for this role

  • Significant infrastructure experience, with a strong focus on Water and Environment sector (this is essential), other sectors are also desirable (energy, transport, defence).
  • Experience delivering cost management services across major infrastructure projects and programmes.
  • Degree qualified in Quantity Surveying, Commercial Management, Construction Management, or a related discipline.
  • Candidates will be associate or full members of RICS (or an appropriate professional institution) or be committed to obtaining chartered status.
  • Have both site and office-based experience on a variety of infrastructure projects.
  • Successful applicants will have a strong knowledge on pre and post contractual administration of the NEC3/NEC4 forms of contract. NEC Accredited is desired but not essential.
  • A collaborative mindset with a proactive, solution orientated approach to problem solving.
  • The aspiration to join a growing team where the prospect of contributing to something new excites you.
  • Have an understanding and have used cost software including, but not limited to CostX, CEMAR etc.
  • Understand the Construction Playbook, Value Toolkit, Project 13 and Public Procurement regulations.

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Posted: August 29th, 2026