A prestigious, specialist insurance business based in Central London is looking for a Part-Time Payroll Administrator to join the HR team on a permanent basis, working approximately 2.5 - 3 days per week. To be suitable, you will have solid experience administering UK payroll, with exposure to international payrolls considered an advantage. Experience working with employee benefits, pensions, and wellbeing programmes is highly desirable. As the Payroll Administrator, you will provide administrative support to deliver accurate, timely, and compliant payrolls across UK and international jurisdictions. You will act as the first point of contact for payroll and benefits queries, support employee lifecycle changes (starters, leavers, transfers, promotions), prepare and validate payroll instructions, complete reconciliations, and assist with year-end processes and statutory reporting. You will also support the administration of employee benefits, including healthcare, pensions, risk benefits, wellbeing initiatives, and salary sacrifice schemes. This includes running reports, processing changes, maintaining policies and HR systems, supporting insurance renewals, and monitoring benefit usage and trends. The successful candidate will have strong numeracy skills, attention to detail, and confidence using Excel to produce payroll and HR reports. You will be able to work independently, manage competing priorities, and maintain integrity, confidentiality, and professionalism at all times.