Accounts Assistant

Accounts Assistant

Location - Windsor, UK

Type of Work - Office Based

Role Overview

Reporting into the Senior Controller, the Accounts Assistant position at InterSystems plays an integral role in the Finance department at our UK office in Windsor, Berkshire. The UK office supports operations across EMEA.

Key Responsibilities

• Accounts Payable processing for UK, Ireland and South African branches including verification of appropriate approval; invoice posting, upload of supporting documentation & preparation of weekly settlement runs
• Finance review of staff expenses against local branch policies for UK, Ireland and South Africa; processing expense settlements weekly
• Deliver expense induction for new starters
• Process daily bank transactions and complete daily bank account reconciliations
• Collation, communication & co-ordination of payroll changes (provided by HR) to bureaus for South African, Finland and Swedish branches. Review of outputs to confirm appropriate deductions. Processing payroll settlement and payroll journals to ledger (Monthly)
• South African VAT return preparation (Monthly)
• Month end balance sheet reconciliation for UK, Ireland and South African branches
• Preparation of corporate card ledger posting and upload of supporting documentation into Workday (Monthly)
• Ensure finance activities comply with local statutory requirements and internal control frameworks across supported regions
• Bank settlement of VAT and Corporation Tax payments as required
• Prepare ad-hoc journals as required
• Assist in the month-end close process
• Ad-hoc assistance to the Senior Controller and International Controller as required

Key Accountabilities

• Ensure supplier and employee expense accounts are accurately processed, reconciled, and settled in line with agreed terms, local policies, and internal controls
• Record and validate invoices, including matching against approved purchase orders
• Support payroll coordination activities for selected regional branches

Experience/Qualification Required

• AAT Level 4 qualification (minimum) or equivalent; experience within an international, multi-entity environment is preferred.
• Prior experience using Workday is highly advantageous.
• Experience working with multi-currency accounting systems is desirable.
• Strong attention to detail with a proactive and collaborative team-oriented approach.
• Significant experience in transactional finance activities, with a solid understanding of financial statements and accounting entries.
• Confident communicator, able to liaise effectively with internal teams, senior management, and external stakeholders to resolve queries and explain financial information clearly
• Experience using AI-assisted features within ERP or finance platforms such as Workday, Microsoft Copilot, or similar automation tools desirable
• Interest in leveraging AI and automation to improve efficiency, reduce manual processing, and enhance reporting accuracy
• Understanding of data privacy, confidentiality, and governance considerations when using AI-enabled finance tools