Job Description

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

Payroll, Pensions & Reward Manager
Sizewell C

Location: London or Ipswich (Suffolk)
Hybrid: 3 days per week onsite
Salary: Circa £75,000 + 5% bonus
Holiday: 28 days + bank holidays (rising to 30 after 5 years)
Pension: Up to 15% employer contribution

Closing Date: Thursday 19 March 2026

About the Role

Sizewell C is one of the UK’s most significant infrastructure projects. As our workforce grows, we are building a modern People function to support thousands of employees.

We are seeking an experienced Payroll, Pensions & Reward Manager to design and lead our long‑term operating model. You will shape the strategy for payroll, pensions and reward (in‑house vs outsourced), oversee day‑to‑day service delivery, and ensure compliance, accuracy and best practice across the function.

This role combines strategic leadership, operational oversight, vendor management, and senior stakeholder engagement.

Key Responsibilities

Design the long‑term payroll, pensions and reward operating model
Lead daily payroll, reward and benefits operations
Act as the senior escalation point for complex queries
Manage outsourced payroll, reward and pensions providers
Validate and sign off payroll files for audit and compliance
Lead salary/benefits benchmarking and reward strategy
Oversee DC pension scheme administration
Produce reporting and insights for HR SLT and the Remuneration Committee.
Ensure all processes meet legal, audit and governance standards
Support major change activity and stakeholder engagement

About You (Essential)

Extensive experience in Payroll, Reward and/or Pensions leadership
Strong hands‑on payroll & reward expertise, with benefits experience
Experience designing or managing in‑house/outsourced operating models
CIPD Level 7, finance or equivalent qualification
Confident managing providers, SLAs and compliance
Strong stakeholder engagement skills and attention to detail
Experience in large, fast‑paced, complex organisations

Desirable

Strong analytical and benchmarking skills
Project management and change experience
Knowledge of UK employment law and DC pension regulations

Why Join Sizewell C?

Play a defining role in a nationally significant project that will power millions of homes and contribute to the UK’s long‑term energy security. This is a rare opportunity to build and shape a critical HR function from the ground up.

If you thrive in complex environments and enjoy leading strategic, high‑impact work, we’d love to hear from you.

Apply now!

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.