05.10.2026

Sales Assistant Manager (Wiring Harness / Bangkok)

รหัสบริษัทลูกค้า: 35343

Detail

【Job Description】
- Manage and coordinate Sales activities with Automotive customers, including customer requirements, orders, forecasts, and deliveries.
- Handle Customer Inquiries / RFQs, including coordination of quotations, price breakdowns, and sales and commercial documentation.
- Coordinate New Model projects from RFQ, APQP, and Trial Production through SOP and Mass Production.
- Coordinate with Engineering, Purchasing, Production Control, Logistics, Accounting, and relevant departments to ensure smooth operations and timely customer response.
- Monitor sales, forecasts, pricing, costs, profitability, and commercial matters, including supporting Price Revision, Cost Reduction, VA/VE, and Kaizen activities.
- Maintain customer relationships, coordinate problem-solving, and support Customer Satisfaction.
- Prepare and monitor Sales KPIs, Sales Forecasts, Budgets, and Business Plans, including coordination with factories, the Japan Head Office, and Group companies.
- Responsibilities include Key Customer Management, Commercial Negotiation, Sales Strategy, Risk Management, and Sales Team Management, depending on the position level.
- Perform duties in compliance with company policies, quality systems, safety and environmental requirements, and other assigned responsibilities.
- Other duties as assigned.

【Qualification】
- Bachelor’s degree in Business Administration, Marketing, International Business, Japanese, Engineering , or a related field.
- At least 5 years of experience in Sales, Marketing, Customer Service, or Sales Coordination in the manufacturing industry
- Experience and knowledge in the following areas:
 ・Customer Relationship Management
 ・Pricing and commercial negotiation
 ・Vehicle development Schedule/Events
 ・Semi-annual/Quarterly price revision
 ・Knowledge of raw material market trends
 ・Profitability control and management
 ・Understanding of the Sales process, including RFQ, Quotation, Customer Coordination, and project coordination
 ・Experience coordinating projects with customers, affiliated companies, and relevant internal departments"
- Strong skills in leadership, communication, negotiation, analytical thinking, problem-solving, and presentation.
- Able to travel for business trips to other provinces and overseas.
 ・Proficient in Microsoft Office, particularly Excel and PowerPoint.
 ・knowledge about Excel formula (SUMIFS, XLOOKUP etc.,) PowerQuery is an advantage"
- Able to work under pressure, manage multiple priorities, and travel domestically or overseas when required. (Visit the factory , customers or suppliers.)
- Good command of spoken and written English.
- Japanese language proficiency, preferably JLPT N3 or above

【Allowance & Benefit】
- Base Salary: 35,000 – 40,000 THB (Depending on experience)
- Transportation Allowance: 5,000 THB
- Position Allowance: 4,000 THB
- Japanese Language Allowance (JLPT):
N3: 5,000 THB
N2: 7,000 THB
N1: 10,000 THB
- Group Health Insurance: Provided.
- Provident Fund: Provided.
- Bonus: According to company’s business performance.
- Activities: Company Trip, New Year Party, etc.

【Working Hour】
Mon - Fri, 08:00 - 17:00.

ประเภทธุรกิจ 【MFG】Automotive Parts|自動車部品
สายงานที่เกี่ยวข้อง Sales-Sale Rep./Account Executive|営業
เงินเดือน 45,000THB~50,000THB
สถานที่ทํางาน Bangkok|バンコク
สถานีรถไฟฟ้าใกล้เคียง MRT Phra Ram 9
นิคมอุตสาหกรรม -
เพศ Female/女性
อายุ 35~40
ภาษา English: Intermediate|一般的な会話・説明が可能
Japanese: Business|会議・交渉など仕事で使える
Thai: Native|母語