SuccessFactors Payroll Expert

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This role will act as the Subject Matter Expert (SME) across both payroll operations and Success Factors Employee Central Payroll (ECP), ensuring the solution is fit for purpose and meets business, regulatory, and operational needs.

The role will bridge Payroll, HR, and Technology, supporting the full lifecycle from design through to go-live and stabilisation.

• Provide expert payroll input into Employee Central Payroll (ECP) design workshops and decisions, ensuring business requirements are clearly articulated, documented, and understood. Validate that proposed solutions are operationally viable, compliant, and aligned with payroll best practice.
• Lead the capture, documentation, and validation of payroll requirements (functional and statutory), ensuring full traceability from requirement through to design, build, and testing, with clear sign-off from Payroll stakeholders.
• Review and validate ECP configuration and calculations against payroll requirements, ensuring outputs (e.g. pay results, statutory deductions) are accurate, auditable, and meet defined acceptance criteria; elevate defects and risks where needed.
• Define payroll test scenarios and acceptance criteria, and lead payroll participation in SIT, UAT, and parallel runs. Ensure defects are triaged, resolved, and retested, with formal sign-off confirming payroll readiness for go-live.
• Oversee payroll‑specific data migration activities, including defining validation rules and executing reconciliation checks to confirm completeness, accuracy, and integrity of employee and payroll data.
• Act as the key payroll interface across HR, Finance, Technology, and implementation partners, providing SME guidance to inform decisions, resolve issues, and ensure alignment. Influence outcomes through expertise, while escalating final decisions to accountable design authorities where required.
• Identify and manage payroll risks, issues, and dependencies, ensuring appropriate controls, audit requirements, and statutory obligations are embedded and evidenced within the ECP solution and processes.
• Support cutover planning and execute payroll readiness activities, including parallel run validation and sign‑off inputs. Provide SME support during hypercare, resolving payroll issues and contributing to a stable transition to BAU.

• Deep understanding of end‑to‑end payroll processes
• Strong knowledge of payroll legislation, statutory requirements, and compliance
• Understanding of HR and payroll data structures and integrations
• Knowledge of Success Factors architecture, particularly Employee Central and ECP
• Awareness of controls, audit, and data governance requirements in payroll

• Strong analytical and problem‑solving skills
• Ability to translate business requirements into system solutions
• Excellent stakeholder management and communication skills
• Ability to work effectively across cross‑functional teams
• Strong attention to detail, particularly in payroll accuracy and controls

• Significant experience in payroll operations within a large or complex organisation
• Hands‑on experience with SAP Success Factors Employee Central Payroll (ECP)
• Proven track record working on HR/payroll system implementations or transformations, ideally in moving from SAP ECC6 to SAP Success Factors
• Employee Central Payroll (ECP)
• Experience supporting testing cycles (SIT/UAT/parallel runs)
• Experience working in complex, multi‑stakeholder programme environments

We are committed to equality, diversity and inclusion and aim to reflect the diverse communities we serve. We believe that a diverse workforce enables us to deliver better services and outcomes. Our goal is to make our recruitment as inclusive as…