Payroll & Expenses Officer

Payroll & Expenses Officer (Workday/Payroll Transition Experience Required)
Part-time – 3 days per week (on-site)
Temporary contract to June 2026 (to start asap)
Hayes, Middlesex

I am working with a leading client in their field to recruit a part-time Payroll & Expenses Officer to support the finance team during a key period of transition. This role is based at their UK Head Office in Hayes and requires on-site working 3 days per week for a 6-month contract.
This is an excellent opportunity for an experienced payroll professional who has either worked with Workday or has been involved in transitioning payroll systems, ensuring a smooth and compliant process. You’ll be responsible for running payrolls from start to finish, supporting system improvements, and ensuring HMRC compliance by auditing and validating historical payroll data.

What We’re Looking For:

Proven payroll experience, managing payrolls from start to finish
Experience using Workday or involvement in transitioning payroll from one system to another
Strong understanding of HMRC payroll compliance and confident in identifying/reporting discrepancies
Proficient in Excel and Microsoft 365
Detail-oriented, organised, and proactive approach to work
Excellent communicator and team player
Able to work on-site in Hayes 3 days per week
Immediately available or available on short notice preferred

The Role:

Own and manage two payrolls, ensuring timely and accurate processing each period
Act as the first point of contact for payroll queries across the business
Work closely with HR and the Finance Manager on payroll processing, expenses, and system enhancements
Play a key role in payroll system transition activities, ensuring data accuracy and compliance during the move to Workday (or from another system)
Audit historic payroll to ensure HMRC compliance and rectify any discrepancies
Process employee expenses in line with company policy

Key Responsibilities:

Process payroll and BACs payments accurately and on time
Maintain accurate payroll records and data
Reconcile payroll and investigate discrepancies
Liaise with HMRC and external auditors as required
Prepare payroll reports and assist with statutory submissions such as P11

Ds and PSA
Process employee expenses, both cash and credit card claims