THANTAWAN

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.

We welcome individuals who are inspired, eager to learn,
embrace challenges, and are committed to personal growth. If you’re looking for a career path that offers growth opportunities, collaboration with professional teams, and a chance to contribute to innovations that shape the future of the industry—this is the place for you.

What You’ll Gain by Working with Us

Opportunities
to enhance both your skills and career progression

What You’ll Gain by Working with Us

A Modern
and supportive work environment that encourages creativity and learning

What You’ll Gain by Working with Us

Competitive
compensation and comprehensive benefits

What You’ll Gain by Working with Us

A Warm
friendly team culture with a family-like atmosphere

What You’ll Gain by Working with Us

Strong Support
for work–life balance

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.

Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Working Days: Monday–Saturday (Alternate Saturdays off)

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Sun Tower

Employment Type: Permanent

Working Days: Monday – Friday

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Sun Tower

Employment Type: Permanent

Working Days: Monday – Friday

Key Responsibilities

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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Sun Tower

Employment Type: Permanent

Working Days: Monday – Friday

Key Responsibilities
  • 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.
Qualifications
  • 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.
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Available Positions:
5 Position(s)
Location:
Omyai

Employment Type: Permanent

Key Responsibilities
  • 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.
Qualifications
  • 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.
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Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Working Days: Monday – Saturday (Alternate Saturdays off)

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Sun Tower

Employment Type: Permanent

Working Days: Monday - Friday

Key Responsibilities

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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Working Days: Monday – Saturday (Alternate Saturdays off)

Key Responsibilities

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
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Working Days: Monday - Saturday (Alternate Saturdays off)

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job
Available Positions:
1 Position(s)
Location:
Sun Tower

Employment Type: Permanent

Working Days: Monday - Friday

Key Responsibilities

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.
Qualifications
  • 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)
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Available Positions:
1 Position(s)
Location:
Omyai

Employment Type: Permanent

Working Days: Monday – Saturday (Alternate Saturdays off)

Key Responsibilities
  • 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.
Qualifications
  • 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.
Apply this Job