Work with Us
Corporate Culture
Be Part of Sustainable Growth with Thantawan
At Thantawan, we believe in the power of our people and a shared commitment to excellence. As one of the leading international manufacturers in the plastic packaging and innovation industry, we are driven by cutting-edge technology and a dedication to long-term environmental sustainability.

Employee Benefits & Welfare
Social Security Fund

Provident Fund
Health Insurance

Annual Health Check-Up
Performance-Based Bonus

Free Company Uniform
Ongoing training and professional development programs

We’re Hiring Across Multiple Functions
Explore a variety of open positions and find the one that matches your passion. Join a growing and forward-moving organization where your future begins today. Start your career journey with Thantawan Industry PLC.
Employment Type: Permanent
Working Days: Monday–Saturday (Alternate Saturdays off)
- Organize, implement and maintain production process flow.
- Lead and Initiative the continuous improvement project to improve productivity, quality and business process.
- Develops processes for manufacturing products using Lean, Six Sigma, and/or Statistics-based methods and principles for process excellence.
- Coordinate with supplier or internal department to make an innovation project for process improvement, performance improvement and quality issue solving.
- Monitors and audits the performance of processes and equipment and makes recommendations for continuous improvement necessary to maximize process capability and cost savings.
- Investigate operational problems affecting production and reporting and recommending solutions.
- Bachelor's or Master's degree in Automation Engineering, Industrial Engineering, Production Engineering, Mechanical Engineering, Electrical Engineering, Computer Engineering, or a related field, with a minimum GPA of 2.70.
- At least 2 years of hands-on experience in process supervision or manufacturing operations.
- Good knowledge of manufacturing management principles, production processes, and quality management systems.
- Strong technical knowledge of electrical and mechanical systems and applications.
- Good command of English, with effective communication skills.
- Strong interpersonal, leadership, and presentation skills.
- Knowledge and practical experience in KAIZEN, Lean, and Six Sigma methodologies.
- Proficient in Microsoft Office, including Word, Excel, and PowerPoint.
- Knowledge of ISO 9001:2015, ISO 14000, and GMP/HACCP standards.
- Able to work at the factory located in Om Yai, Sam Phran, Nakhon Pathom, with a work schedule of Monday to Saturday or every other Saturday.
Employment Type: Permanent
Working Days: Monday – Friday
- Conduct market research and analyze market, competitor, customer, and industry data across domestic and export markets to identify overall trends, opportunities, and potential business implications.
- Prepare monthly Market Intelligence, Executive Reports, and management dashboards to support business and management decision-making.
- Monitor and analyze competitor activities, industry developments, market movements, and broader customer trends.
- Support the planning and execution of marketing campaigns and brand initiatives.
- Develop campaign briefs and coordinate the production of brand assets and marketing materials.
- Maintain brand identity and consistency across products, packaging, communications, and marketing materials.
- Analyze performance marketing results and provide actionable insights and recommendations.
- Collaborate with Sales, Business Development, and MarCom teams to consolidate market and customer insights supporting NPD and commercial initiatives.
- Bachelor’s degree in Marketing, Business Administration, Communications, Economics, or a related field.
- At least 2 years of experience in Marketing, Brand Management, Market Research, or a related role.
- Strong analytical skills with the ability to translate data into meaningful business insights.
- Experience in market research, competitor analysis, campaign coordination, or brand management.
- Good command of Microsoft Excel and PowerPoint; experience with dashboards or analytical tools is an advantage.
- Strong communication, coordination, and presentation skills.
- Detail-oriented, proactive, and comfortable working cross-functionally.
- Good command of English.
Employment Type: Permanent
Working Days: Monday – Friday
Export Sales & Business Development
- Develop existing customers and identify new business opportunities in international markets.
- Manage the sales process from quotation and pricing to negotiation and order confirmation.
- Prepare sales forecasts and monitor performance against targets.
- Customer Relationship Management
- Build and maintain strong relationships with existing and potential international customers.
- Manage customer inquiries, order updates, requirements, and complaints in a timely manner.
- Understand customer needs and purchasing patterns to identify further business opportunities.
Sales Operations & Product Coordination
- Coordinate with R&D, Production, QC/QA, Logistics, and other internal teams to ensure product requirements and on-time delivery.
- Support new product development, samples, testing, packaging, and related product documentation.
- Follow up on customer orders, deliveries, and payments.
Customer & Market Insights
- Gather customer insights, market feedback, and business opportunities from assigned customers and export markets.
- Monitor customer needs, purchasing behavior, and competitor activities within assigned territories.
- Identify potential sales opportunities based on customer feedback and developments within assigned markets.
- Share relevant customer and territory insights with internal teams to support sales and business development activities.
- Bachelor’s degree in Business Administration, Marketing, International Business, or a related field.
- At least 2 years of experience in Export Sales, International Sales, B2B Sales, or a related field.
- Experience in manufacturing, OEM/ODM, or plastic packaging business is an advantage.
- Good communication, negotiation, coordination, and problem-solving skills.
- Good command of English, both written and spoken.
- Proactive, customer-oriented, and able to work effectively with cross-functional teams.
Employment Type: Permanent
Working Days: Monday – Friday
- Provide IT support for hardware, software, network, and user access.
- Monitor and maintain standard IT systems and connectivity.
- Assist in identifying process improvement opportunities using automation and AI.
- Support basic solutions using low-code, RPA, dashboards, and approved AI tools.
- Assist with AI testing, system implementation, and user training.
- Support responsible AI usage and data security practices.
- Prepare system documents, user guides, and project updates.
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- 2–4 years of experience in IT Support, System Administration, or a related role.
- Basic knowledge of process improvement, workflow automation, and AI applications.
- Experience with RPA, low-code platforms, dashboards, generative AI, or AI productivity tools is preferred.
- Good troubleshooting, communication, and coordination skills.
- Service-minded, adaptable, and eager to learn new technologies.
Employment Type: Permanent
- Perform preventive maintenance and repair machinery according to the maintenance schedule and repair requests.
- Inspect and maintain machinery to ensure it is in good working condition and ready for operation.
- Install and modify equipment to improve machinery capability and support customer order requirements.
- Provide technical support to the Production team to ensure production meets customer requirements.
- Maintain equipment, tools, and machinery to ensure they are safe and ready for use.
- Vocational Certificate (ปวช.) or Higher Vocational Certificate (ปวส.).
- Diploma in Electrical, Electrical Power, Electronics, Mechanical, Automotive, Industrial Mechanics, Production Technology, Mechatronics, Maintenance, or a related field.
- Basic knowledge and practical skills in machinery maintenance, technical work, and the use of tools and equipment.
- Proficiency in Microsoft Office.
- Experience with Power Apps will be an advantage.
- Hardworking, responsible, and able to work effectively in a manufacturing environment.
- Able to work in shifts.
Employment Type: Permanent
Working Days: Monday – Saturday (Alternate Saturdays off)
- Design and develop zipper profiles (Profile Zip) and dies for zipper bags and zipper profiles.
- Develop and improve die manufacturing processes for zipper bags and zipper profiles to support production requirements.
- Conduct die trials and testing, analyze test results, and prepare R&D reports for submission to the supervisor.
- Supervise and support team members to ensure work is completed efficiently and according to plan.
- Coordinate with Production and relevant departments on product and die design, trials, development, and improvement activities.
- Bachelor's degree or higher in Mechanical Engineering, Tool & Die Engineering, Mechatronics Engineering, or a related field.
- 1–2 years of experience in plastic mold or die design and development, or a related field.
- Proficiency in AutoCAD 2D/3D, with knowledge or hands-on experience in Wire Cut and CNC machining.
- Creative, eager to learn, and interested in developing new products, technologies, and solutions.
- Good interpersonal, communication, and coordination skills.
- Able to work at the factory located in Om Yai, Sam Phran, Nakhon Pathom, with a work schedule of Monday to Saturday or every other Saturday.
Employment Type: Permanent
Working Days: Monday - Friday
Product & NPD Development
- Oversee NPD projects from customer requirements and product concept through development and launch.
- Translate customer and market requirements into product concepts and NPD briefs.
- Coordinate with R&D, Production, QC, and relevant teams on product feasibility, specifications, prototypes, samples, and development timelines.
- Manage product trials, customer feedback, revisions, and approval processes.
- Track NPD projects and ensure key milestones are completed according to agreed timelines.
Business Development
- Identify and develop new prospective customers and business opportunities across domestic and export markets.
- Generate leads and manage the Business Development opportunity pipeline.
- Prepare business cases and feasibility analyses for new products and commercial opportunities.
- Develop product proposals, presentations, and samples for prospective customers.
- Work closely with Sales on customer follow-up and conversion of opportunities into commercial business.
- Monitor market trends, customer needs, and emerging opportunities to support product and business growth.
- Maintain the BD Pipeline and NPD Tracker and prepare monthly progress reports for management.
- Bachelor’s degree in Business Administration, Marketing, International Business, Product Development, or a related field.
- At least 2 years of experience in Product Development, NPD, Business Development, Sales, Marketing, or a related role.
- Experience in manufacturing, packaging, FMCG, OEM/ODM, or B2B business would be an advantage.
- Experience coordinating product development with R&D, Production, and Quality teams is preferred.
- Good commercial and analytical skills with the ability to prepare business cases and feasibility analyses.
- Strong project coordination and stakeholder management skills.
- Good communication, presentation, and negotiation skills.
- Good command of English for business communication.
Employment Type: Permanent
Working Days: Monday – Saturday (Alternate Saturdays off)
Production Planning
- Lead and oversee capacity planning and actual production output across all manufacturing buildings in line with company targets and operational requirements.
- Manage monthly, weekly, and daily production plans to ensure alignment with production capacity, customer demand, and actual shop-floor conditions.
- Analyze and adjust production plans to minimize downtime and production losses caused by planning gaps or operational constraints.
- Monitor Finished Goods (FG) readiness and proactively resolve production issues that may impact customer delivery schedules.
- Partner with Production teams to support achievement of OEE targets and overall manufacturing efficiency.
- Ensure planning data, including waste ratio, line speed, idle time, and other key production parameters, is accurate and up to date.
- Collaborate closely with Production, Sales, Warehouse, Purchasing, and other relevant functions to achieve production output and delivery targets.
- Identify and introduce new technologies, systems, and solutions to improve planning efficiency, accuracy, and visibility.
Material Planning
- Lead material planning and procurement requirements to ensure sufficient material availability in line with production schedules.
- Manage Days of Supply and inventory levels to balance production continuity with effective inventory control.
- Monitor supplier performance to ensure materials are delivered on time and meet required quality and quantity standards.
- Develop material supply strategies with suppliers, including Buffer Stock, Consignment Stock, and Vendor Managed Inventory (VMI).
- Lead supplier relationship management and oversee contracts related to raw material supply.
Key KPIs
- On-Time Delivery
- On-Time Production Planning
- Material Shortage Impact on Production
- OEE Target Support
- Finished Goods Turnover
- Packaging Turnover
- Claims & Complaints
- Production Order Release Accuracy against Sales Orders
- Bachelor's degree or higher in Engineering, Industrial Management, Logistics, Supply Chain Management, or a related field.
- Solid experience in Production Planning, Production Control, or Material Planning within a manufacturing environment, including at least 5 years in a managerial role.
- Experience in packaging, plastics, or multi-line manufacturing environments will be an advantage.
- Strong understanding of manufacturing processes, Capacity Planning, Production Control, and Inventory Management.
- Proficiency in MS Office, SAP, ERP, or other Production Planning systems, with strong data analysis capabilities.
- Strong analytical, problem-solving, risk management, and decision-making skills.
- Proven leadership and team management skills with the ability to collaborate effectively across functions.
- Good understanding of production cost and budget management.
- Good command of both Thai and English.
- Able to work at the factory located in Om Yai, Sam Phran, Nakhon Pathom, with a work schedule of Monday to Saturday or every other Saturday.
Employment Type: Permanent
- Perform quality assurance inspections on finished products to ensure compliance with established standards and requirements.
- Record inspection results and prepare reports for submission to the supervisor.
- Identify and record the inspection and testing status of products.
- Report non-conforming products and quality issues in accordance with established procedures.
- Coordinate with relevant departments when non-conforming products are identified and support appropriate corrective actions.
- Higher Vocational Certificate (ปวส.) or Bachelor's degree in any field.
- At least 1 year of experience in Quality Control or Quality Assurance.
- Proficiency in Microsoft Office.
- Basic English communication skills.
- Detail-oriented, responsible, and able to coordinate effectively with relevant departments.
- Able to work on a rotating day-off schedule.
Employment Type: Permanent
Working Days: Monday - Saturday (Alternate Saturdays off)
- Prepare and monitor production plans to ensure timely execution, and coordinate solutions for issues that may affect production and product delivery.
- Coordinate with the Production team and relevant departments to ensure production activities are carried out according to plan.
- Create production orders and verify the availability of packaging materials and color masterbatch before releasing production plans to the Production team.
- Coordinate with the ERP team to create MAT, link Mark, and set up packaging BOM in the ERP system.
- Prepare production planning documents and coordinate with internal and external parties as required.
- Create Purchase Requisitions (PR) for products, raw materials, and other production-related requirements.
- Bachelor's degree or higher in Industrial Engineering, Logistics, or a related field.
- At least 2 years of experience in production planning within a manufacturing environment.
- Proficiency in SAP, ERP systems, Power BI, and Microsoft Office.
- Highly responsible, able to work effectively under pressure, and adaptable to changing requirements.
- Strong communication and coordination skills, with the ability to work effectively with both internal and external parties.
- Strong team player with a positive attitude, good problem-solving skills, and the ability to handle operational issues effectively.
- Able to work at the factory located in Om Yai, Sam Phran, Nakhon Pathom, with a work schedule of Monday to Saturday or every other Saturday.
Employment Type: Permanent
Working Days: Monday - Friday
Strategic HR Leadership & Business Partnership
- Lead the full spectrum of Human Resources and General Administration functions across Corporate Office and Factory, ensuring alignment with business and manufacturing objectives.
- Act as a strategic HR partner to Senior Management and Plant Management on organizational structure, workforce strategy, headcount optimization, and people-related business decisions.
- Lead workforce planning and manpower budgeting to balance operational requirements, workforce capacity, productivity, and labor costs.
Talent Management & Organizational Development
- Drive talent acquisition and retention strategies for management, professional staff, and plant workforce to support current operations and future business growth.
- Develop and drive employer branding strategies and initiatives to strengthen the company’s reputation as an employer of choice and attract high-quality talent.
- Enhance candidate attraction, sourcing channels, and talent pipelines to support current and future workforce requirements.
- Lead talent development, leadership development, and succession planning to build a strong pipeline of future leaders, supervisors, and key technical talent.
- Drive organizational development and change management initiatives to support business transformation, continuous improvement, and organizational effectiveness.
Performance, Compensation & HR Operations
- Oversee Compensation & Benefits strategies, including salary structures, plant wages, allowances, incentive schemes, benefits, and market benchmarking to ensure competitiveness and internal equity.
- Lead performance management and KPI frameworks, aligning individual and organizational performance with business, productivity, operational excellence, and safety targets.
- Oversee HR operations, including time attendance, payroll coordination, HRIS, workforce data, HR analytics, statutory reporting, and HR administration.
Employee & Labor Relations
- Develop and drive corporate culture and employee engagement strategies to strengthen employee connection, collaboration, and alignment with the company’s values and business direction.
- Lead internal communication initiatives to ensure effective communication across Corporate Office and Factory, strengthening employee awareness, engagement, and organizational alignment.
- Design and oversee employee engagement activities, recognition programs, welfare initiatives, and company-wide activities to enhance employee experience and workplace culture.
- Drive learning and development initiatives to strengthen employee capabilities, support continuous learning, and build organizational readiness for future business needs.
- Lead employee and labor relations, maintaining a positive and productive working environment while effectively managing workplace disputes and employee-related issues.
- Promote a strong safety-first, collaborative, and high-performance culture across the organization.
HR Governance & Compliance
- Develop and strengthen HR policies, SOPs, and governance frameworks to ensure consistent and effective HR practices across the organization.
- Ensure compliance with Thai labor laws, employment regulations, statutory requirements, safety requirements, and applicable manufacturing standards.
- Support and ensure HR readiness for internal, external, and customer audits.
- Bachelor's degree or higher in Human Resources Management, Business Administration, Organizational Development, or a related field.
- Minimum 10 years of progressive HR experience, including proven success leading multiple HR functions at a senior management level.
- Strong background in a manufacturing or plant environment, with hands-on experience in workforce planning, plant HR operations, and managing a labor-intensive workforce.
- Solid working knowledge across core HR functions, including Talent Acquisition, Compensation & Benefits, Performance Management, Talent Development, Employee Relations, and Organizational Development.
- Strong command of Thai labor law, employment regulations, and statutory compliance requirements.
- Proven people leadership, with the ability to build, coach, and develop high-performing HR teams.
- Strong business acumen and analytical problem-solving skills, translating business priorities into effective HR strategy.
- Excellent communication and stakeholder management, with credibility to influence and partner with senior management and cross-functional leaders.
- Able to transport at Factory located in Aomyai, Sampram, Nakhon Pathom (At least 1 day per week)
Employment Type: Permanent
Working Days: Monday – Saturday (Alternate Saturdays off)
- Plan, coordinate, and monitor warehouse operations.
- Address discrepancies and resolve immediate operational issues.
- Manage and control all aspects of AS/RS warehouse operations.
- Oversee operations to meet customer requirements and ensure satisfaction.
- Monitor results and track performance against key KPIs.
- Cooperate with other departments, branches, and subcontractors to ensure smooth workflow.
- Identify and implement new methods to reduce operational costs.
- Prepare monthly operation results and KPI reports, and review standard operating procedures.
- Perform other tasks as assigned by management.
- Coordinate and manage the transportation, distribution, and delivery of goods and services.
- Manage the credit checking process and collection from customers upon delivery.
- Collaborate with vendors, suppliers, and internal teams to ensure timely and cost-effective logistics solutions.
- Monitor and analyze logistics performance metrics, adjusting as needed.
- Implement inventory management systems and proactively maintain optimal stock levels across all locations.
- Bachelor's degree in Business Administration, Logistics Management, Supply Chain Management, or a related field.
- 3–5 years of relevant experience in inventory management, warehouse operations, logistics, sales support, or related operations, with experience at the Assistant Manager level or above.
- Proficiency in SAP/ERP and AS/RS systems.
- Strong planning, coordination, and organizational skills, with the ability to effectively manage inventory processes and ensure timely follow-up.
- Experience in managing logistics costs, delivery operations, and inventory control.
- Strong communication and coordination skills, with the ability to work effectively across departments and with external stakeholders.
- Experience in team management and employee performance evaluation.
- Ability to set team goals, monitor performance, and improve operational efficiency.
- Highly responsible, able to work effectively under pressure, and capable of making timely decisions.
- Proactive, adaptable, and committed to continuous learning and professional development.
- Able to work at the factory located in Om Yai, Sam Phran, Nakhon Pathom, with a work schedule of Monday to Saturday or every other Saturday.






