We are looking for a confident and enthusiastic Supporter Data Assistant to join our Marketing team. The role is to support the effective management, accuracy and use of supporter data across fundraising, membership and marketing activities. The postholder will ensure memberships, donations and related supporter interactions are processed efficiently and accurately, helping to maximise income, maintain compliance and deliver excellent supporter care. The role will also contribute to wider marketing and engagement activity through high-quality data administration and insight. The role will involve accurately processing membership applications for Northumberland Wildlife Trust and Friends of the Red Squirrel, process animal adoption applications, process donations. In addition, maintaining accurate, up-to-date supporter records within the CRM database (Access Charity CRM) and support compliance with fundraising, Gift Aid and data protection legislation, policies and internal procedures. This job is being offered on 28 hours per week on a permanent contract. The salary starts at £23,256 (£18,604 pro rata) per annum. The deadline for applications is 9.00 on 12 June 2026. An application form and job pack can be found on our website. Please note CV’s cannot be accepted.