Global Payroll Implementation Assistant Manager

Global Payroll Implementation Assistant Manager

Posted on April 20th, 2026

London Type of Job: Permanent Role Overview

The Global Payroll Implementation Assistant Manager will be responsible for leading payroll implementation activities from end-to-end, ensuring all new payrolls are delivered in line with agreed timelines, compliance requirements, and quality standards. The role will play a key part in coordinating stakeholders, managing implementation risks, supporting testing activities, and ensuring successful payroll go-live across multiple countries.

Key Responsibilities

• Lead the end-to-end implementation of new global and international payrolls, ensuring delivery against project plans and timelines
• Oversee payroll processing during implementation and transition phases, proactively managing risks and resolving issues
• Support day-to-day payroll operations during transition to ensure deadlines and compliance requirements are met
• Own and maintain client-specific payroll process documentation and implementation guides, ensuring accuracy and consistency
• Act as a key point of contact for global payroll partners and in-country providers, ensuring data requirements and local compliance rules are met
• Lead system testing activities, including UAT, parallel runs, and post-implementation validation
• Identify process improvements and support the enhancement of payroll delivery frameworks
• Provide guidance and support to payroll analysts and advisors during implementation phases
• Monitor legislative and regulatory payroll changes across relevant jurisdictions and assess impact where required
• Maintain a central knowledge base covering payroll processes across supported countries

About You

• Strong background in payroll operations, ideally within complex or multi-country environments
• Proven experience in payroll implementation, system testing, and/or payroll transitions
• Strong understanding of payroll legislation and compliance (UK and/or international exposure desirable)
• Experience with UAT, test scripting, and payroll parallel runs
• Excellent stakeholder management skills, with the ability to work across HR, Finance, IT, and external providers
• Strong attention to detail with the ability to manage multiple priorities in a fast-paced environment
• Process-driven with a continuous improvement mindset