About this role
The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs SD Cost Manager Sizewell C Location: Ipswich, London Contract: Permanent, full-time. Closing Date: Sunday 16th August 2026 What’s in It for You: 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 Your Impact 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. Principal Accountabilities 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. Key Stakeholders and Relationships 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 Experience, Knowledge, & Qualifications 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 systems (such as EcoSys) Strong understanding/ working knowledge of Earned Value Methodologies Experience of programme reporting and data visualisation tools such as Power BI. Ability to challenge, influence and communicate complex cost and performance information to project leadership teams. Desirable skill: Educated to professional standard and membership of an appropriate body and to degree level or equivalent Knowledge of engineering, procurement, forms of contracts and construction generally Proven experience and knowledge of engineering and construction management. Experienced in working within Project Controls in a Major Programme environment Why Join Us A major infrastructure project with national impact Hybrid working with flexibility built in Competitive salary, bonus and benefits Clear progression and development opportunities Supportive, collaborative team environment Key Competencies Behavioural Competences Humility Recognise the value brought from different cultures and experiences Be open to other’s points of view and ideas, be willing to debate and to compromise Positivity Positively challenge poor quality and performance Identify solutions at the lowest possible level Encourage tier 1s and others to bring new ideas forward Respect Value the rules and environment in which we operate Give and receive feedback with respect Embrace and engage with new people and ideas Solidarity One team, working closely together and helping each other Empowered teams always looking forward. Shared responsibility for delivery the project outcomes Clarity Communicate clearly and consistently Promote collaboration and team alignment Clearer and faster decision making Drive simplification at all levels If this sounds like the next step in your career, we’d love to hear from you. Apply today. For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.