Accounts Payable & Expenses Administrator

ARM has an exciting opportunity for a Accounts Payable & Expenses Administrator to join a fast‑paced team at a global defence company. Position:
Permanent.

• Processing multi‑currency purchase invoices, with and without purchase orders, ensuring approvals meet internal policy.
• Handling intercompany invoices, direct debits, and settlements.
• Working closely with vendors and internal teams to resolve invoice queries efficiently.
• Investigating discrepancies, updating records, and maintaining accurate audit trails.
• Supporting payment runs and reconciling supplier accounts.
• Reviewing and approving employee expenses in line with policy and HMRC guidelines.
• Providing guidance on VAT, business travel, and expense procedures.

• Experience using SAP or a similar financial system.
• Proven experience liaising with suppliers or customers to support payment processes.
• Strong written and verbal communication skills.
• Excellent attention to detail and time‑management.