Senior Payroll Transition Specialist

Senior Payroll Transition Specialist – 6 Months initial contract – Basildon, UK (On-site, 5 days per week) – £#removed# per day (Inside IR35)

My client, in the Fintech industry, is hiring a hands‑on Payroll Transition Specialist to support major payroll transformation activity across EMEA.

In this role you’ll lead end‑to‑end payroll transitions across Germany, Belgium, and the Netherlands, including a key migration from ADP Streamline to ADP Celergo in Germany.

This is a delivery role – you’ll be in the detail, working directly with payroll teams and vendors to ensure successful testing, transition, and go‑live.

Key Responsibilities

• Lead payroll vendor/platform transitions end‑to‑end
• Own payroll testing (strategy, scripts, execution, defect resolution)
• Support UAT, data validation, and parallel runs
• Drive accurate, reconciled payrolls through to go‑live
• Create clear SOPs and ensure knowledge transfer
• Train teams on new systems and processes
• Act as payroll SME across Payroll, HR, Finance, and vendors

Key Requirements

• Proven experience delivering payroll transitions / implementations
• Strong ADP Celergo experience
• Germany payroll expertise (essential)
• Experience with payroll testing, parallel runs, and reconciliations
• Ability to operate hands‑on in fast‑paced environments

Desirable

• Belgium / Netherlands payroll experience
• Outsourced payroll / vendor management experience
• German or Dutch language skills

Ideally you will have some of the below specific experience to be a suitable match for this engagement

• High‑impact transformation work across multiple countries
• Full ownership of payroll transition delivery
• Visible role working closely with key stakeholders

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