Assistant Digital Portfolio Accountant

London, GB, EC2R 7BP Manchester, GB, M1 4HN Felixstowe, GB, IP10 0DD Bristol, GB, BS32 4TP

Career Area: Data, Tech & IT

Sizewell C’s business is to design, finance, construct, commission, operate, maintain, and eventually decommission the nuclear power plant and related infrastructure at Sizewell C in Suffolk. Overall, whilst the Company is in the construction phase, the Boards’ principal focus is on the development and construction of Sizewell C on time, on budget and to the highest quality and safety standards. The Company is maturing to meet all these requirements.

Sizewell C is economically regulated by OFGEM under the Regulated Asset Base (RAB) model similar to other UK electricity distribution networks and Thames Tideway.

Sizewell C construction strategy is to replicate the design of Hinkley Point C, using the majority of the same supply chain, but innovating in the way it is delivered to achieve savings in time and cost of around 20%. The CCO will need to be guided by and incorporate lessons learned from the Hinkley Point C commercial delivery to achieve Sizewell C’s ambition.

Following Financial Completion and Revenue Commencement, Sizewell C is fully funded and is owned by; The Secretary of State for Energy Security and Net Zero representing HM Government, La Caisse, Centrica, EDF and Amber Infrastructure.

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 for the below position.

Contract Type

Permanent -Office-based with hybridflexibility(typically 3 days p/w in the office)

Working Pattern

Full time

Closing Date

Tuesday 1st September 2026

• Bonus: 5% annual incentive
• Pension: Up to 7.5% employee contribution / 15% employer contribution
• Holiday: 28 days plus bank holidays

Impact

The SZC Digital & IT directorate sits within the PMO Unit which in turn sits within the overall delivery department. Digital & IT is accountable for providing Enterprise IT infrastructure and application to the business and to a subset of Tier 1 contract partners.

The Digital Delivery function is one of four functions reporting into the Digital Director and delivers the digital programmes and projects for the SZC Nuclear New Build programme.

Your role as Assistant Portfolio Accountant will be to support the Portfolio Accountant in the day-to-day financial management of the Sizewell C Digital & IT Portfolio.

You’ll help maintain accurate financial records, support budgeting and forecasting activity, track project costs, and provide clear information to project teams and finance stakeholders. This is a great opportunity for someone developing their finance career who enjoys working with data, solving problems, and helping teams make well-informed financial decisions.

Principal Accountabilities

• Support budgeting and forecasting processes for the Sizewell C Digital & IT Portfolio, including annual forecast submissions and in-year updates.
• Help maintain portfolio financial trackers, ensuring project costs, forecasts, commitments and movements are recorded accurately and consistently.
• Support monthly cost reviews with Project Managers, Business Analysts and other stakeholders, helping to explain variances between actuals, forecasts and approved budgets.
• Assist with the preparation of reporting packs and financial summaries for portfolio governance forums and senior stakeholder reviews.
• Support month-end activities, including accruals, recharges, purchase order reviews and cost substantiation.
• Work with project teams to improve the quality of forecast information, challenge assumptions where appropriate, and highlight risks or issues early.
• Help reconcile portfolio reporting outputs to SAP and other finance systems, supporting a single, reliable view of financial performance.
• Contribute to investment case reviews, cost analysis and project deep dives under the guidance of the Portfolio Accountant.
• Identify opportunities to improve reporting processes, templates and financial controls across the portfolio.
• Carry out ad hoc analysis and support wider finance activities as required.

Knowledge, Skills, Qualifications & Experience

• Part-qualified accountant, studying towards CIMA, ACCA or ACA, or qualified by relevant experience.
• Good Excel skills, with the ability to analyse, reconcile and present financial information clearly.
• Experience working with finance systems such as SAP, Anaplan or similar tools would be beneficial.
• Strong attention to detail and a commitment to producing accurate, reliable work.
• Clear communication skills, with the confidence to work with finance and non-finance colleagues.
• Ability to organise workload, manage competing priorities and deliver to deadlines.
• A proactive approach, with curiosity to understand project performance and improve ways of working.
• Interest in working on a major infrastructure programme within a regulated environment.
• Experience in project finance, management accounting, project controls, PMO or cost reporting.
• Experience supporting budgeting, forecasting, accruals, purchase orders or financial reporting processes.
• Previous experience in infrastructure, energy, digital, construction, regulated or safety-critical environments.

Why Join Us

• A major infrastructure project with national impact
• Hybrid working with flexibility built in
• Competitive salary,bonusand benefits
• Clear progression and development opportunitiesSupportive, collaborative team environment

Humility

Recognise the value brought fromdifferent culturesand experiences

Be open to other’s points of view and ideas, be willing to debate and to compromise

Positivity

Positively challengepoor qualityand performance

Identifysolutions at the lowest possible level

Encourage tier 1s and others to bringnew ideasforward

Respect

Value the rules and environment in which we operate

Give and receive feedback with respect

Embrace and engage with new people and ideas

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

Drive simplification at all levels

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 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.
• 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.
• Drive simplification at all levels.

When joining Sizewell C, you may wonder why you are contacted by colleagues with an EDF email or see the EDF logo on portals that you access and/or documentation you receive; this is because we have partnered with EDF for the provision of a number of support services whilst we complete a successful transition out of the EDF group.

At Sizewell C we encourage and embrace diversity and how it can improve our experience and performance at work.It is a requirement that those who join us have the right to work in the UK. Whilst sponsorship may be a possibility that we can explore, we are fully committed to local recruitment where possible, and those already holding the right to work in the UK.

To be appointed to this role, you will need to meet the criteria for Security Vetting, which will, ordinarily, require you to have been a resident of the UK for at least three of the past five years.

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