Accounts Receivable & Retainer Administration Specialist

We are seeking a motivated and detail-oriented Accounts Receivable & Retainer Administration Specialist to join our Finance Shared Services Centre. The role is responsible for supporting the administration, reconciliation and allocation of insurance retainer accounts, with a particular focus on one client.

The successful candidate will help ensure retainer receipts are accurately processed, reconciled and allocated in Microsoft Dynamics 365 (D365), while supporting ongoing process improvements and automation. Approximately 50% of the role will be dedicated to our client retainer administration, with the remaining time supporting wider Accounts Receivable activities, including cash allocation, query resolution, collections support and month-end requirements.

• Review and manage incoming retainer remittances received through our clients mailbox.
• Review automated journal templates and complete the manual processing required in D365.
• Prepare, validate, submit and post cash allocation journals, ensuring the appropriate approval workflow and supporting evidence are in place.
• Process ledger settlements, customer account allocations and foreign exchange adjustment journals where required.
• Reconcile retainer balances and investigate discrepancies between remittances, declarations, customer accounts and ledger records.
• Maintain accurate remittance files, journal support, allocation records and audit evidence.
• Raise and manage allocation queries with relevant internal stakeholders and external contacts, following outstanding items through to resolution.
• Maintain query trackers and ensure the status of open and completed items is clear and up to date.
• Support continuous improvement and automation initiatives relating to retainer administration.
• Follow documented controls, approval requirements and work instructions.

• Support cash allocation activities across additional customer accounts and business units.
• Monitor and investigate unapplied cash, unmatched receipts and aged balances.
• Assist with customer account reconciliations and the resolution of payment or allocation issues.
• Support credit control and debt collection activities as required, including customer follow-up by telephone and email.
• Respond to internal and external queries professionally and within agreed timescales.
• Assist with month-end activities, reporting requirements and audit requests.
• Maintain accurate and complete records in D365 and supporting systems.
• Identify opportunities to improve efficiency, controls, documentation and customer service across AR.
• Provide flexible cover across the wider AR team during peak workload, absence and periods of change.

• Previous experience in Accounts Receivable, cash allocation, credit control or a similar finance role.
• Experience processing customer payments, reconciliations and account allocations.
• Experience investigating and resolving transactional queries.
• Experience using an ERP system; D365 experience would be advantageous.
• Experience in a shared services or high-volume finance environment would be advantageous.
• Strong analytical and reconciliation skills.
• High accuracy and attention to detail.
• Good Microsoft Excel and Microsoft Office skills.
• Ability to manage significant volumes of transactional data and competing priorities.
• Strong written and verbal communication skills.
• Ability to work independently while collaborating effectively with colleagues.
• Comfortable working with evolving processes and automation-driven change.
• Proactive, organised and solution-focused.
• A strong customer service mindset with a professional and flexible approach.
• Able to work to deadlines while maintaining quality…