Sap Payroll Implementation Specialist

City Of London Corporation; Greater London; Hybrid; GBP 44,000 - 69,000; Full time

Job summary

City of London Corporation is partnering with Reed to recruit an experienced SAP Payroll Implementation Specialist to support a major payroll system transformation. The role focuses on hands-on payroll system implementations, testing activities and payroll optimisation, within a six-month hybrid London-based contract.

The rate starts at £32 per hour PAYE, with potential to increase for the right candidate. You will work with Payroll, HR, Finance and IT teams to ensure successful go-live and

Qualifications

• Hands-on experience implementing and testing SAP payroll systems.
• Experience in UAT, parallel payroll runs, and data validation.
• Public sector payroll knowledge and stakeholder liaison.
• Strong analytical and problem-solving skills.

Responsibilities

• Support SAP payroll implementation and improvement projects.
• Lead UAT, system testing, and parallel payroll runs.
• Validate and reconcile payroll data across systems.
• Document processes, workflows and testing outcomes.
• Collaborate with stakeholders throughout the project lifecycle.
• Provide go-live support during critical milestones.

Skills

SAP Payroll

UAT & Testing

Data Validation

Stakeholder Engagement

Public Sector Experience

Tools

iTrent

Civica

Job description

Reed is delighted to be partnering with the City of London Corporation to recruit an experienced SAP Payroll Implementation Specialist to support a major payroll system implementation programme.

This is an excellent opportunity for an individual with strong SAP payroll systems expertise who enjoys working within project environments and contributing to the successful delivery of complex payroll transformation initiatives.

Please note that this is not a traditional payroll processing position. We are seeking someone who can bring hands‑on experience of payroll system implementations, testing activities, and payroll system optimisation.

£32 per hour PAYE – Flexible to go higher on the rate

6‑Month Contract, Hybrid Working | Bank, London

The Opportunity

Joining an established project team, you will play a key role in supporting the implementation and enhancement of payroll systems, ensuring accurate testing, validation, and successful delivery ahead of go‑live activities.

You will work closely with stakeholders across Payroll, HR, Finance, IT, and external system partners to ensure the new payroll solution is fully tested, validated, and ready for operational use.

Key Responsibilities

• Support payroll system implementation and improvement projects, with a strong focus on SAP Payroll.
• Participate in User Acceptance Testing (UAT), system testing, and parallel payroll runs.
• Validate payroll data and perform reconciliation activities to ensure accuracy.
• Identify, investigate, and track system defects through to resolution.
• Support payroll‑related system configuration and change activities.
• Document processes, workflows, and testing outcomes.
• Collaborate with internal and external stakeholders throughout the project lifecycle.
• Provide support during critical project milestones, including go‑live phases.

About You

To be successful in this role, you will ideally demonstrate:

• Previous involvement in payroll system implementations, upgrades, or transformation projects.
• Experience conducting UAT, system testing, and parallel payroll runs.
• Strong payroll systems knowledge and an understanding of payroll processes.
• Excellent analytical and problem‑solving skills.
• Experience validating and reconciling payroll data.
• Strong stakeholder engagement and communication skills.
• Experience working within public sector organisations.
• Exposure to multiple payroll platforms such as SAP, iTrent, Civica, or similar systems.
• Experience supporting payroll system go‑live activities.