Manufacturing Cost Controller / Cost Accounting Manager

Key Responsibilities 

• Build and maintain SKU-level tire manufacturing cost visibility, including BOM, material cost, labor cost, variable cost, fixed cost allocation, and overhead.
• Analyze cost variance by product, size, material, process, production line, and supplier.
• Support Design to Cost activities by identifying cost reduction levers from material usage, material grade, process cost, yield, scrap, and specification differences.
• Work with production, technical, procurement, and quality teams to validate cost assumptions and quantify impact of cost-down ideas.
• Benchmark internal cost structure against competitor or market references where possible, without using confidential third-party information.
• Develop cost models and reporting routines to support management decisions on product profitability and cost competitiveness. 
• Support budget, standard cost setting, cost simulation, and financial evaluation of sourcing, material, and design changes.

Professional Skills

• Professional Knowledge

- Manufacturing cost accounting, product costing, standard cost, and plant controlling

-BOM costing, material cost, process cost, labor cost, overhead allocation, and variance analysis

-Factory cost structure, yield, scrap, productivity, and cost simulation

-ERP/SAP costing module, management reporting, and cost model development

-Tire cost structure

• Communication & Negotiation

- Ability to translate financial/cost analysis into practical actions for production, technical, procurement, and management teams

- Ability to challenge cost assumptions and align cross-functional stakeholders with facts

- Practical communication skills in Thai and English; Japanese company experience is a plus

• Problem Solving

-Identify root causes of high cost by SKU, material, process, production line, and supplier

-Build fact-based cost reduction hypotheses and quantify potential impact

-Link cost data with practical Design to Cost and sourcing decisions

Qualifications

• Bachelor's degree or above, Major Accounting, Finance, Industrial Engineering, Manufacturing Management, Business Administration, or related field
• Must-have: 8+ years of cost accounting, plant controlling, manufacturing finance, or product costing experience in tire industry.
• Experience with tire/rubber product costing, BOM-level cost breakdown, standard cost system, ERP costing module, and cross-functional cost reduction PJs; English capability preferred