Assistant Payroll Manager (Sizewell C)

HPC Jobs Service; Leiston; Hybrid; GBP 57,000 - 59,000; Full time

Benefits offered by this job

Annual bonus

Pension scheme

Annual leave

Extra holiday

Employee Assistance Programme

Benefits portal

Job summary

Sizewell C is recruiting an Assistant Payroll Manager to take ownership of a complex payroll function within a major national project. You will lead on payroll delivery, governance and system enhancements while supporting the Payroll, Pensions & Reward Manager across the organisation.

The role requires extensive UK payroll experience, strong Excel skills and the ability to drive improvements in a high-profile environment. Site-based with 2–3 days in the office and hybrid flexibility is offered.

Qualifications

• Significant experience working within an in-house payroll function.
• Strong knowledge of UK payroll legislation, HMRC requirements and statutory payments.
• Experience managing end to end payroll processes and complex payroll transactions.
• Excellent payroll reconciliation, validation and reporting skills.
• Strong Microsoft Excel capability.

Responsibilities

• Managing end-to-end payroll processing activities.
• Reviewing payroll transactions, reconciliations and controls.
• Supporting payroll sign-off and governance activities.
• Acting as an escalation point for complex payroll queries.
• Supporting audits, compliance and legislative updates.
• Leading payroll-related projects, process improvements and system enhancements.
• Producing payroll reporting and management information.
• Deputising for the Payroll, Pensions & Reward Manager when required.

Skills

Stakeholder management

Communication skills

Prioritisation

Attention to detail

Problem solving

Tools

Microsoft Excel

SAP Payroll or SAP SuccessFactors

Job description

Assistant Payroll Manager

Sizewell C

Location: Site or Orwell Logistics park (Suffolk) 2-3 days a week in the office

Contract Type: Permanent, Full Time

Salary: £56,500- £59,000 + bonus and benefits including:

• Annual company bonus (up to 5%)
• Market-leading pension scheme (up to 7.5% employee / up to 15% Sizewell C)
• 28 days annual leave, plus bank holidays
• Opportunity to purchase extra holiday
• Employee Assistance Programme
• Access to benefits portal where additional benefits can be purchased such as; private medical cover, discounted gym memberships, electric car schemes, etc

Closing date: Monday 28th September 2026

Please note: We reserve the right to close this vacancy early should we receive a high volume of suitable applications. To avoid disappointment, we encourage interested candidates to submit their application as soon as possible.

Why Join as an Assistant Payroll Manager?

This is a fantastic opportunity for an experienced payroll professional to take ownership of a complex, high-profile payroll function within a major national project. You'll act as the payroll subject matter expert, leading on payroll delivery, compliance, systems improvement and stakeholder support while helping to shape the future of payroll operations at Sizewell C.

Working closely with the Payroll, Pensions & Reward Manager, you'll play a key role in ensuring payroll is delivered accurately and efficiently for our growing workforce. You'll also have the opportunity to support system enhancements, drive process improvements and deputise for the Payroll Manager, giving you genuine responsibility and visibility across the organisation.

The Opportunity

As Assistant Payroll Manager, you will be responsible for the day-to-day management and delivery of payroll activities, ensuring employees are paid accurately, on time and in accordance with statutory, contractual and organisational requirements. You'll oversee payroll processing, maintain robust controls, manage reconciliations and provide expert payroll guidance across the business.

Key responsibilities include:

• Managing end-to-end payroll processing activities
• Reviewing payroll transactions, reconciliations and controls
• Supporting payroll sign-off and governance activities
• Acting as an escalation point for complex payroll queries
• Supporting audits, compliance and legislative updates
• Leading payroll-related projects, process improvements and system enhancements
• Producing payroll reporting and management information
• Deputising for the Payroll, Pensions & Reward Manager when required

What We're Looking For

We're seeking an experienced payroll professional who thrives in a fast-paced environment and enjoys balancing operational delivery with continuous improvement.

You’ll ideally have:

• Significant experience working within an in-house payroll function
• Strong knowledge of UK payroll legislation, HMRC requirements and statutory payments
• Experience managing end to end payroll processes and complex payroll transactions
• Excellent payroll reconciliation, validation and reporting skills
• Strong Microsoft Excel capability
• Experience using payroll and HR systems (SAP Payroll or SAP SuccessFactors experience is beneficial but not essential)
• Excellent stakeholder management and communication skills
• A highly organised, detail focused and problem solving mindset
• The ability to manage multiple priorities and work to strict deadlines
• Experience within a large, complex or regulated organisation would be particularly advantageous.

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.

Why Join Us?

For more than 60 years, nuclear power stations in the UK have been quietly keeping Britain fuelled with massive amounts of home-grown energy.

Our teams up and down the country are proudly continuing to serve the nation - but they also have an eye on the future.

EDF is leading the UK's nuclear renaissance with the construction of a new nuclear power station at Hinkley Point C and plans for a new power station at Sizewell C in Suffolk.

Nuclear power is the most reliable, low-carbon energy source currently available to the UK. EDF is playing a key role in the development of nuclear sites, while Hinkley Point C will provide low-carbon electricity to meet 7% of the UK demand. The project is already making a positive impact on the local and national economy as well as boosting skills and education.

We're not just building new nuclear power stations. We're developing careers, upskilling generations and creating thousands of employment and apprenticeship opportunities across a variety of skills areas.

It takes a special kind of person to work in the nuclear energy industry and although we have thousands of them there's always a need for more.

Our industry has a mind-boggling range of opportunities and more jobs, and in more places, than you might think. But it's also an industry which is changing.

We're a responsible business and proud to be Britain's biggest generator of zero carbon electricity. With size, age and experience, we believe we can do even more.