Senior Cost Manager - Site Delivery Programme

An exciting opportunity has arisen for an experienced Senior Cost Manager to join a major UK infrastructure programme supporting one of the country's most significant large-scale energy construction projects.

Working within the Central PMO / Project Controls function, you will play a critical role in leading and continuously improving the project's Cost Management framework, ensuring robust financial governance, high-quality reporting, and best-in-class project controls across a complex mega-project environment.

This position is suited to a highly experienced cost professional with strong expertise in major capital projects, programme controls, forecasting, governance, stakeholder engagement, and leadership within large delivery organisations.

As Senior Cost Manager, you will work closely with the Cost Lead and wider Project Controls leadership team, helping drive the strategic development and execution of all cost management processes across the programme.

You will provide oversight, assurance, and leadership across cost management activities, ensuring robust governance while supporting a strong "Digital by Default" approach through effective use of systems, data, and reporting tools.

This role requires confidence operating within a highly complex, high-value programme environment with significant exposure to executive stakeholders and governance forums.

• Support the Cost Lead in ensuring adherence to cost management procedures, guidelines, and governance frameworks

• Provide oversight and assurance across all project cost management activities throughout the programme lifecycle

• Deliver accurate and timely month-end cost reporting, performance data, and financial insights

• Analyse cost performance and provide meaningful "so what" insights to support decision-making

• Act as the first line of assurance for cost data submitted by programme delivery teams

• Ensure cost systems are accurately maintained in line with reporting cycles and programme cadence

• Act as escalation point for programme cost leads on day-to-day operational issues

• Support continuous improvement of the Cost Management Framework across the programme

• Collaborate with project controls and delivery teams to ensure integrated planning and reporting

• Drive digital transformation and improvement of cost management tools and processes

• Maintain accurate forecasts, including approved changes, trends, and forecast impact analysis

• Prepare executive-level reports, presentations, and insights for senior leadership and governance boards

• Deputise for the Cost Lead, including running Cost Steering Committees when required

• Support development of team capability through mentoring and professional development

We are seeking an experienced project controls professional with a strong background in large-scale infrastructure or mega-project environments.

• Significant experience in Cost Management within major capital delivery programmes

• Strong understanding of Project Controls principles and integrated programme governance

• Experience managing both client and supply chain scope within complex delivery environments

• Strong technical capability in cost forecasting, budgeting, reporting, and change control

• Experience delivering assurance activities within a project controls function

• Ability to produce high-quality reports and executive-level presentations

• Experience engaging with senior stakeholders and governance boards

• Proven leadership experience, including supporting and developing teams

• Ability to work independently in a complex, fast-paced programme environment

Degree or equivalent qualification in one of the following (or related) disciplines:

• Business Analysis

• Accounting

• Finance

• Construction Management

• Engineering

• Project Management

• BPSS Clearance is mandatory for this role and must be obtained/held prior to or at start date

• Expenses subject to prior approval and travel policy

This is a rare opportunity to contribute to a nationally significant infrastructure programme, working within a high-performing project controls environment on one of the UK's most complex and high-profile energy projects.