SD Cost Manager

Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK's largest and most important energy projects. We are now recruiting the below position.

Location:

Ipswich, London

Contract:Permanent, full-time.

Closing Date: Monday 17th August 2026

• Salary:
  Competitive (depending on experience)

• Bonus: 5% annual incentive

• Pension:
  Up to 7.5% employee / 15% employer contribution

• Leave: 28 days holiday plus bank holidays

• Hybrid Working:
  
  Typically,2-3 days in the office per week, with flexibility based on business needs

As Cost Manager you will join the PMO Cost Team and report directly to the Site Delivery Cost Lead.

You will be deployed within the Site Delivery Programme, undertaking day-to-day activities as directed by the Site Delivery Senior Cost Manager. Your role will support the delivery of accurate and timely project information relating to performance against the project baseline and will be responsible for administering effective cost control as part of the programme's integrated delivery team.

You will drive cost performance reporting for the Programme, including Earned Value (EV) analysis associated with key commitments and expenditures.

The role will encompass responsibility for the collation and analysis of Programme cost information in accordance with the Cost Management Procedure, supporting the timely and accurate submission of data by Project Teams. The Cost Manager will work closely with the Supply Chain and Finance teams to ensure that accurate accruals and contract cost performance are appropriately captured, and that effective analysis is undertaken against the baseline.

The Cost Manager will be responsible for Programme-level cost analysis, supporting the achievement of Programme objectives, and liaising with Project Controls teams to ensure a consistent approach to cost management across the Programme.

As Cost Manager you will be responsible for:

• Supporting the Cost Lead with the implementation of appropriate cost systems, procedures and working templates.
• Support to Project teams to ensure timely and accurate cost information submission on a regular basis, to include reporting on EAC, ETC, ACWP and comparison to the baseline
• Tracking of actual costs against appropriate cost control structures
• Support the Cost Lead in executing cost re-baseline exercises, forecast and budget updates as appropriate
• Undertake analyses of the Project Cost information to support Programme objectives incl. earned value, trend analysis
• Work closely with the finance and commercial teams to ensure accurate accruals and contract costs are included within the overall EAC and performance reports.
• Analysis of Change Requests ensuring cost data is correctly identified/coded (CBS) and change requests are aligned with budgets
• Responsible for supporting the project teams in the use of the cost tools, acting as point of contact for basic user support/training
• Support the identification, quantification and reporting of cost risks and opportunities within project forecasts and programme reporting.
• Analyse cost variances against budget and baseline and provide insight and recommendations for corrective actions.

The post holder will be required to work collaboratively and proactively with multiple stakeholders including but not limited to:

• Project Managers
• Project Controls
• Schedulers
• Change Managers
• Reporting Managers
• Supply Chain

• Pro-active and able to thrive in a fast-past and dynamic environment.
• Working knowledge of cost management functions, including cost estimating, cost control, and cost analysis.
• Experience of identifying, analysing, and solving problems.
• Ability to communicate cost and performance information to peers/managers
• Excellent Excel and Microsoft Office skills.
• Good attention to detail and skilled in interpreting and analysing cost data.
• Comfortable with challenging assumptions and processes in order to constantly improve the delivery of performance data.
• Strong understanding/ working knowledge of Cost management…