Senior Cost Manager - Site Delivery Programme

Security Clearance Required: BPSS Clearance (Mandatory)

About the Role

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.

The Opportunity

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.

Key Responsibilities

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

About You

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

Essential Experience

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

Qualifications

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

Business Analysis

Accounting

Finance

Construction Management

Engineering

Project Management

Additional Information

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

Why Apply?

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