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Finance & Account Administrative Officer Internship (4 Months - 6 Months)

Posted February 27, 2026
Intern Internship

Job Overview

Role & Responsibilities:

  • Invoice to pay:
    • Verify invoices received from vendors.
    • Ensure that invoices are fully and correctly registered in ECM system and processed for approval in timely manner.
    • Coordinate account payable and payment process.
    • Support withholding tax and VAT payment/return process on accurately and timely for monthly tax filing process.
    • Sort, file, and maintain hard copy and electronic records of supplier tax invoices to support compliance with Thai tax regulations.
    • Ensure the correctness of withholding tax deduction and support to issue withholding tax certificate (if any).
    • Coordinate with BPO team for any payment issues or disputes.
    • Ensure the up-to-date vendor master data.
    • Verify the accuracy and correctness of receipt and supporting documents for staff reimbursement.
  • Bill to cash:
    • Coordinate with BPO team to offset collection and invoices in system.
    • Assist in reconciliation of incoming payments and resolving discrepancies.
    • Issue receipts and tax invoices for selected business and customers in a timely and accurate manner (bill placement).
  • Process improvement:
    • Support continuous process improvement

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