It’s never been a more exciting time to join Vistra.  At Vistra our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction. But progress only happens when people come together and take action. And we’re absolutely committed to building a culture where our people can do just that.  We have an exciting opportunity for you to join our team as a French Payroll Associate for our iiPay business, part of our award winning Global payroll division. Reporting to the French Payroll Operations Manager, this full-time, permanent position can be based in our France, Hungary, Poland or Romania offices and offers local coverage, allowing you to make a significant impact on our payroll business and its growth. This role requires being responsible for managing iiPay’s relationship with our clients and ensuring we deliver the highest level of payroll service to our global client base. This is a highly visible role and you will need to build strong relationships with many stakeholders within the business. All our roles can be performed remotely with occasional visits to the office as requested by your manager. Where we have office locations, our team members are welcome to work remotely, on a hybrid basis or fully office based as they wish. Our highly motivated and engaged team members are at the heart of our success! This role requires working closely with several clients daily in order to professionally deliver a quality French payroll service: from receipt of the payroll instructions to production of the final payroll reports. The candidate will need to use their analytical skills to review and validate data and communication skills to interact with the client to gain payroll approval. Key responsibilities: - The successful candidate requires minimum 2 years of French payroll experience and the ability to demonstrate a proven track record in the following areas: - Produce monthly payrolls in an accurate, compliant, and timely manner - Strive to improve systems, processes and the payroll delivery to maximise the efficiency and accuracy of our payrolls - Be the main point of contact for assigned clients ensuring communication is clear and informative - Work with other iiPay teams across the globe to ensure deadlines are met - Work effectively with colleagues in France to provide support and assistance to one another - Maintain strong knowledge of statutory processes for French payroll - Own, manage and resolve client escalations, seeking help and advice where needed. Attributes/Technical Skills: - Proven experience in multi-client / multi-payroll experience - Is a highly motivated and driven professional, with a strong commitment to delivering excellent customer service - Extremely organised and takes pride in their work - The Business Language is English so ability to communicate in English is mandatory - Advanced level knowledge of Excel is essential to be able to manipulate data within an Excel Workbook Relevant Experience: - Experience with SilaExpert software is essential - Experience in managing multiple Collective Bargaining Agreement’s (Convention Collectives) would be desirable - Experience in implementing payroll into software is desirable If you are excited about working with us, we encourage you to apply or have a confidential chat with one of our Talent Acquisition team members. Our goal is to make this a great place to work where all our people can thrive. We hope you join us on this exciting journey!

• Oversee the processing of payroll data for employees • Maintain accurate employee records • Verify and reconcile employee data, including salaries, hours worked, and deductions • Assist with Thailand payroll tax calculations and filings • Provide support to employees for payroll-related questions and issues • Ensure compliance with Thailand payroll laws and regulations • Lead the implementation of new payroll processes and systems

• Independently process payroll end-to-end to ensure delivery according to the agreed processing calendar(s) and KPIs • Support statutory and year-end reporting according to the agreed calendar(s) and KPIs • Use payroll expertise to advise on client queries/issues and maintain a strong understanding of country-specific legislation and requirements • Support and provide knowledge transfer to Apprentices and/or Associates on data management and customer service activities • Ensure tickets and calls are responded to within SLA timeframes and to a high standard • Support system maintenance testing • Liaise and transact with third parties • Complete SOC controls on time with required evidence • Contribute to root cause analysis, ensuring accuracy and proposing feasible preventative measures to limit recurrence • Conduct knowledge transfer sessions and verify that the audience understands and can apply the information • Maintain DWIs to keep processes up to date and reflective of the service • Report all system issues/defects correctly and log tickets with necessary details and evidence so Application Services and/or Products can investigate • Highlight any deviations from the standard scope of service to the Service Manager • Handle sensitive and confidential information appropriately • Complete time recording accurately and on schedule • Adhere to STRADA security standards • Contribute to team meetings and promptly raise any issues with your Service Manager • Stay up to date with all STRADA HR announcements and communications • Build strong relationships with relevant lines of business • Update internal stakeholders when needed in a timely and accurate manner • Participate in projects and activities as assigned

• Own the complete global payroll lifecycle (HR inputs → payroll calculation → platform upload → reconciliation → reporting) • Manage bi-monthly payroll cycles and monthly exceptions, ensuring accurate and on-time payments for employees and contractors • Develop structured payroll calendars, submission deadlines, and clear ownership across stakeholders • Manage payroll distribution across Wise, Payoneer, Deel, and Gusto • Prepare and validate platform-specific CSV uploads, ensuring correct formatting and compliance • Reconcile payments post-disbursement and ensure funding accuracy across all systems • Design and implement payroll validation checkpoints to prevent errors and missed inputs • Improve data integrity between BambooHR and payroll models • Own commissions and bonus calculations end-to-end