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Mitsui & Co., (Thailand) Ltd.

Careers

Job Openings

Updated on 19th February 2026

1. Sales Position (Mineral & Metal Resources Division)

Job description

To take care trading business and to investigate new business opportunity and new market.

  • Manage business and achieve GP(RP) objectives for each PIC fields, including support to the PIC team (Sale Co).
  • Enhance sustainable growth for PIC commodities via strategic approach to customers/suppliers to maintain/strengthen/broaden business portfolio.
  • Study and explore new potential business.
  • Strengthen collaboration within the individuals, teams, divisions, organization (management, corporate, other divisions), APU, Mitsui group to enhance individual professionalism and organization strength.
  • Understand D&I, integrity, honest communication and take action to support one another.
  • Enhance working skills/communication skills (ex. Transaction with colleagues/ taking seminars/training program/individual study etc.)

We are looking for

  • Male/Female, age 25-30 years.
  • Min 3 years’ experience: belonging to an organization as Sale PIC and if he/she has any experience in the Metal industry (ferrous/non-ferrous) would be preferred.
  • Knowledge of trading (Import/Export, and Domestic distribution), logistics, and inventory management skills.
  • Good command of English (require minimum TOEIC score 730) and basic IT skills (Excel, Word, PowerPoint).
  • Supportive character, team spirit, good listener and humble.
  • Enthusiastic, Logical thinking, strong negotiation, and smooth communication skill.
  • Eagerness to learn and tackle trading business, High ambitious, Aims high and Endeavor.
  • Positive thinking, Can-do attitude, having high responsibility for work.

2. Risk Management Officer (Finance and Risk Management Div.)

Area of responsibility

Cooperate with business division for business expansion by assessment creditability of customers/suppliers.

  • Assess credit line applications. Analyze financial statements of customers/suppliers.
  • Gather and update business/industry information, monitor performance (payment/delivery) of customers/suppliers.
  • Discuss with business div./other div. both local and oversea offices for appropriated business solutions.
  • Visit customer, supplier, warehouse when necessary.
  • Perform other assignments under instruction of supervisor.

We are looking for

  • Male/Female, age 28-33 years.
  • Minimum 3 years’ experience in assess customer’s creditability.
  • Bachelor’s degree or higher in Accounting, Finance, and/or Economic education background.
  • Good command of English (TOEIC score 730 or above is preferred).
  • Legal knowledge regarding collateral and debt collection is an advantage.
  • Computer literacy: MS Office, Excel, Word, PowerPoint, and SAP is advantage.
  • Good team player, good attitude and attentive to details.
  • Open-minded and eager to learn new things.
  • Ability to prioritize tasks and manage deadlines.
  • Able to work under pressure.

3. Sales (Basic Chemicals Division)

Area of responsibility

Manage trading, logistics, and internal controls for chemical products.

  • Oversee trading operations, logistics, and ensure compliance with internal controls for liquid chemicals.
  • Identify and pursue new business opportunities and emerging markets.
  • Lead, guide, and mentor junior team members while fostering strong relationships within the team and with customers and suppliers.
  • Build strong, positive relationships with both suppliers and customers.

We are looking for

  • Male/Femail, Age: 27-32 years.
  • Good communication skill in English.
  • Min. 3 years of experience in Sales roles.
  • Being able to build relationships with customers and having strategies/direction.
  • Can travel or visit clients outside Bangkok (e.g. Nakorn Ratchasima, Rayong).
  • Demonstrates a high level of commitment to completing tasks.
  • Excellent interpersonal skills, with a positive attitude and the ability to build strong relationships with team members.

4. Accounting Staff #1 (Accounting and Process Control Division)

Area of responsibility

Responsible for monthly/quarterly/year-end accounting closing, tax filing, investment and dividend-related accounting, and preparation of financial reports for audit and HQ. This position also works closely with internal business divisions, auditors, and the Revenue Department.

  • Record investment and dividend transactions and ensure accuracy of accounting entries include monitoring accounting documents to ensure accuracy of information and calculations/inputs or directs correcting entries.
  • Coordinate monthly closing process and reconcile GL accounts, Trial Balance checking, revenue code review and allowance summary.
  • Prepare FOREX unrealized gain/loss calculation report and the supporting information for Financial Consolidation report (Actual & Plan report, Dividend list, Service Breakdown etc.)
  • Coordinate with external auditors for financial, internal auditors for operational audits, and revenue officers for tax audits.
  • Provide advice and full support to Biz Div as well as coordinate with other departments and other divisions as necessary to solve any issues arising from existing or new business.
  • Prepare working paper for audited Financial Statements.
  • Prepare data for Transfer Pricing documentation to support Deloitte and data for submitting the disclosure form to Revenue Dept.
  • Tax filing for Corporate Income Tax (PND50), Interim Tax (PND51) and submitting the financial statement to Department of Business Development (DBD).

We are looking for

  • Male/Femail, age 26-33 years.
  • 3-5 years of experience in accounting or corporate tax.
  • Knowledge of Thai accounting standards, tax laws, WHT, VAT, and Corporate Income Tax.
  • Good command of English (reading and writing).
  • Computer skills, Strong Excel and analytical skills and Experience in SAP or ERP is an advantage.
  • Good team player, positive work attitude and problem-solving skill.
  • Learn fast, well organized, high attention to detail and ability to meet closing deadlines.

5. Accounting Staff #2 (Accounting and Process Control Division)

Area of responsibility

Responsible for tax compliance, financial reporting, and general accounting operations, ensuring accuracy, timeliness, and compliance with Thai accounting and tax regulations.

  • Prepare VAT and average VAT reports, withholding tax (WHT) calculations, and tax returns; file PND.3, PND.53, PND.50, and PND.51; and support internal and external auditors as well as tax officers in financial statement preparation, operational audits, and tax audits.
  • Record general ledger entries for acquisition, transfer, and disposal of fixed assets, and prepare monthly fixed asset reports and the Annual Fixed Asset Inspection Report.
  • Prepare monthly expense reports, interest reports, non-operating income/expense reports, and account confirmation reports twice a year for internal and external audit purposes.
  • Set up and allocate shared general expenses, inter-office rental charges, accrued expenses, and reserves for Thai and Japanese bonuses; reconcile tax-related GL accounts to ensure accuracy and prepare adjusting entries as required.
  • Support and coordinate with affiliates to provide consolidated and unconsolidated data/information as required by HQ and AP.

We are looking for

  • Male/Femail, age 26-33 years.
  • Accounting background with 2-3 years of accounting experience.
  • Proficient in English communication.
  • Computer literacy: MS Office, and experience in SAP is advantage.
  • Good team player, good attitude, Communicate well with people.
  • Learn fast, well organized, enthusiastic, high attention to detail and ability to meet closing deadlines.

Join us

Please send the Job Application, the Career Profile (CV/Resume) in English, to us
Contact: P.Siriwong@mitsui.com
(Tel. +66-2-344-2222)

Our company response and comply to Thailand's Personal Data Protection Act. All personal data will be saved, be handled and be deleted in accordance with Thailand's Personal Data Protection Act - PDPA (B.E.2562)

* Although Mitsui & Co., (Thailand) Ltd. and Mitsiam International, Limited are different legal entities, they are collaboratively operating based on service contracts and so on.
Even if it is referred to as Mitsui & Co., (Thailand) Ltd. on this website, it may include activities as Mitsiam International, Limited.
Whether you belong to Mitsui & Co., (Thailand) Ltd. or Mitsiam International, Limited will be decided and informed before you join us.