Start Date: as soon as possible Salary: £85,000 per annum Join UK''s top-ranking independent school as a Solution Architect with a competitive salary and a generous benefits package including gym membership, free lunch during term time, a BUPA cash plan, 10% employer pension contribution, optional on-site accommodation (subject to availability), free or discounted parking in Wimbledon (space permitting), and school fee remission. Reporting to: Director of People King''s College School is undertaking a critical transformation of its people systems, migrating from a legacy, fragmented estate (Schoolbase/Chris21) to a unified, fully managed HR and Payroll solution. We are seeking a pragmatic and experienced Solution Architect to lead the technical delivery of this migration. This is not just a design role; it is a delivery role. You will bridge the gap between HR requirements and IT operations, ensuring that the new system acts as the "Golden Source" for staff data. You will lead the data migration strategy, design the integration with our IT estate (Active Directory/Entra ID), and retire legacy manual processes. Key Responsibilities: Systems architecture and integration design: Define the "To-Be" architecture for the new HR/ Payroll landscape, ensuring seamless integration with the existing School Management System (Schoolbase) and Finance systems. Design and document the Joiners, Movers, and Leavers (JML) process, automating the flow of data from HR to IT (Active Directory