Assistant Accounting Manager (AP) - Intertek Testing Services (Thailand) Ltd.
Intertek Testing Services (Thailand) Ltd. · Bangkok and its Vicinity
- Location
- Bangkok and its Vicinity
- Salary
- Depend on qualifications
- Job Type
- Full Time
- Work Type
- Onsite
- Education
- Bachelor's Degree or Higher
- Posted
- 07/10/2026
Responsibilities
Supervise & Support: Lead, mentor, and monitor the daily workload and performance of the AP team to achieve daily, weekly, and monthly performance metrics.
Process Improvement & Training: Assist in defining standardized process flows and support continuous training activities for team development.
Stakeholder Communication: Serve as a key liaison across business units, procurement, and external parties regarding AP processes, policy changes, and compliance.
AP Management: Oversee end-to-end Accounts Payable processing, ensuring timely and accurate Travel & Expense (T&E) reimbursements and invoice processing using general ledger coding.
Review & Verification: Review Accounts Payable, Payment Vouchers, and RVOs (Receipt Voucher Orders). Reconcile regular supplier statements.
Month-End Close: Manage the month-end closing process, including preparing Journal Vouchers for accrued expenses, provisions, and account adjustments.
Cost Allocation & Analysis: Review transaction account coding, prepare cost allocation worksheets, analyze expenses, and track open items to ensure complete and accurate records.
Master Data Control: Oversee and control vendor master data integrity.
Inter-company Accounting: Record inter-company transactions, manage overseas payments for debt settlement, and perform regular inter-company confirmations.
Regional Collaboration: Partner with regional teams to clarify and resolve inter-company variances.
Asset Tracking & Register: Review fixed asset acquisitions, transfers, and disposals, and maintain the Fixed Assets Register.
Group & IT Coordination: Coordinate with Group ITS Finance for fixed asset approval processes.
Asset Verification: Cooperate with business units for physical asset monitoring, ensuring asset tag verifications match the Fixed Assets Register.
Tax Filing Preparation: Prepare and review Thai tax forms (PP30, PP36, PND 3, PND 53, and PND 54) for timely submission to the Revenue Department.
Audit & Compliance: Collaborate with Procurement to maintain purchasing policy compliance and serve as a primary contact for internal/external audit inquiries.
Ad-hoc Tasks: Perform additional tasks as assigned by management.
Qualifications
Education:
- Bachelor's degree required.
- Master's degree preferred (Finance, Accounting, Strategic Management, Business Modelling).
Experience:
- 8+ years of relevant experience in the accounting field.
- Must be a Thai national.
Skills and Abilities:
- Proficiency in MS Office, especially Excel.
- Familiarity with IT systems such as Innervisions, Leverton, SUN, Cognos (OTIS experience preferred).
- Proficient in English (reading, writing, speaking).
- Superior analytical skills with the ability to make confident, fact-based decisions.
- Ability to work well under high-pressure situations to meet deadlines.
- Effective multitasking and management of numerous simultaneous priorities.
- Proactive in forecasting issues to prevent potential impacts internally and externally.
- Strong business partnering and interpersonal skills.
About Intertek Testing Services (Thailand) Ltd.
Intertek, one of the global leaders in the testing, inspection and certification industry, was founded in 1988. The Company’s objective is to become the world’s most trusted partner for Quality Assurance by exceeding our customers’ expectations with innovative and bespeaking Assurance, Testing, Inspection and Certification services for their operations and supply chain globally 24/7. Intertek Testing Service’s head office is based in United Kingdom and around over 100 countries worldwide with approximately 40,000 employees.
Be a part of Intertek Testing Service – Total Quality Assurance Company
We are now seeking for challenge-oriented, customers-focused and globally-working cultured individuals to succeed together in the following positions:
1285/5 Prachachuen Road, Wong Sawang, Bangsue, Bangkok 10800

