IN2 Consult
Senior Payroll Manager

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Senior Payroll Manager - 6 Month Contract - Teddington (Onsite) - Up to £450 per day
The opportunity
IN2 Consult is seeking a senior interim Payroll Process Improvement Specialist to stabilise and optimise its payroll operation following a recent migration from Access Payroll to ADP HCM i.
The payroll team operates in a high-volume environment with complex, commission-based pay structures. While the transition is progressing, there remains a need to reduce manual work, strengthen controls, resolve process issues and ensure the business is getting the maximum value from ADP.
This is a hands-on role for a self-sufficient payroll systems and process-improvement specialist who can quickly assess current ways of working and implement practical, scalable improvements.
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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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Key responsibilities
- Review end-to-end payroll processes following the move from Access Payroll to ADP HCM i.
- Identify and resolve operational pain points, inefficiencies and control risks.
- Improve use of ADP functionality, workflows and automation.
- Reduce dependency on manual, Excel-heavy and email-led processes.
- Design and implement more scalable payroll processes and controls.
- Support payroll activity involving complex commission calculations and variable pay structures.
- Work closely with the Payroll team and Head of Payroll to embed sustainable improvements.
- Document improved processes and provide practical knowledge transfer to the internal team.
Essential experience
- Strong, hands-on experience with ADP HCM i.
- Proven payroll process-improvement or transformation experience.
- Experience working with complex commission, incentive or variable-pay calculations.
- Background in a high-volume, fast-paced or scaling organisation.
- Demonstrable examples of automating or improving manual payroll processes.
- Comfortable working independently, diagnosing issues and delivering solutions at pace.
- Strong stakeholder-management and communication skills.


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Desirable experience
- Experience of a payroll-system migration or post-implementation stabilisation.
- Exposure to Access Payroll and/or a transition from Access Payroll to ADP.
- Experience building controls, reporting or workflows around payroll data.
- Previous interim or consultancy assignments in payroll transformation.
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