Quality Assurance Manager - Chemical

Position: Quality Assurance Manager

Location: Bangkok, Thailand

At Diversey - a Solenis Company, we are the pioneer, the facilitator of our clients in a wide range of industries around the globe. We do this with our revolutionary cleaning and hygiene technologies - such as floor care machines, cleaning tools & utensils, and chemicals across healthcare, food & beverage, hospitality, and more. Now part of Solenis, we continue to lead global markets with sustainable, science-driven products. We’re proud to be recognized as a 2025 Best Managed Company for the five-year running - reflecting our dedication to excellence, innovation, and market leadership.

Learn More about Us: https://www.solenis.com/

What You’ll Do:

As Quality Assurance Manager, you will play a key role in ensuring quality excellence across Thailand, Malaysia, and Singapore, supporting our Sales, Marketing, and Value Chain functions from technical, product, and quality management system perspectives.

You will work closely with end-use customers, third-party manufacturers, material suppliers, and cross-functional teams to ensure product quality, compliance, and continuous improvement. The role combines hands-on technical problem solving, quality system leadership, supplier and customer audits, product development support, and regional collaboration.

Key Responsibilities

End-Use Customer & 3PM Manufacturer Support (60%)

• Ensure product development and manufacturing at factories are consistent with quality requirements and comply with internal and external standards, including the requirements of the Quality Manual and relevant GMP regulatory and legislative requirements.
• Support / coordinate with manufacturers to produce product samples for customer trials.
• Provide technical recommendations for production troubleshooting and lead investigations into product performance issues to develop and implement resolutions.
• Lead and implement the Quality Management System and drive periodic reviews of Quality Systems at manufacturers. Conduct root cause analysis to identify issues and develop remedial actions.
• Lead/conduct supplier and customer audits for contract manufacturers and material suppliers, such as ISO9001, GMP, and ISO 22000 in food, drug, and cosmetics markets. Execute assessment plans for material suppliers and assess CAPA to ensure NCMs are effectively closed.
• Organize business reviews of quality and monitor manufacturers’ quality performance, driving remedial actions where necessary.
• Monitor and assess manufacturers’ key performance indicators, such as complaints, Right First Time, Finished Good Quality Index, and Hygiene Index, to propose Continuous Improvement initiatives.
• Ensure customer complaints are monitored, trended, analyzed, and investigated to establish appropriate corrective and preventive actions (CAPA).
• Demonstrate continuous improvement and minimize risk through routine self-assessment, corrective and preventive actions (CAPA), and use of a Quality Plan.
• Supervise the chemical laboratory in regard to Safety policy, good laboratory practice, and 5S.

Internal Technical Support (40%)

• Support new product and packaging development / deployment and innovation launches by working with cross-functional teams, including Procurement, Supply Chain, Marketing, Regulatory, Factory, and Regional/Global Product Category Leads.
• Support alternative raw material or source assessment and testing.
• Lead/support SEA localization projects and cost optimization projects.
• Support technical data for claims, formula validation, and regulatory compliance.
• Support Supply Chain on technical issues and alternative materials.
• Provide training as needed, for example, on quality systems and quality processes.
• Provide technical input and align product changes with Lead Markets.

What You’ll Bring to Us

• Bachelor’s or Master’s degree in Chemistry, Food Science, Biochemistry, or a related field.
• Quality professionals with a minimum of 5 years of relevant work experience in the chemical industry; cleaning & sanitizing products are preferred.
• Minimum 2 years of management experience leading quality assurance processes in growing organizations, particularly in manufacturing sites, supplier management, and customer service.

Skills / Competency Requirements

• Familiar with quality management systems/requirements in food, drug, and cosmetics markets. ISO9001 certification is a must; GMP and ISO 22000 certifications are preferred.
• Proven track record of quality system implementation experience.
• Skilled in conducting studies and investigations, problem analysis, and developing logical and documented recommendations.
• Skilled in interpreting and applying product specifications, technical data, regulations, policy statements, and other guideline materials.
• Demonstrated ability to lead in a collaborative environment with a positive leadership style and hands-on approach, emphasizing teamwork, collaboration, influencing, motivating, consensus, and team building.
• Skilled in establishing effective interpersonal relationships and able to influence others without direct control.
• Excellent oral and written English skills.
• Results-oriented, organized, focused, and hands-on leader with strong communication and team-building skills and the ability to develop and lead teams from the ground up.
• Willingness to travel to manufacturing plants in Pathum Thani, Samut Prakan, and Chachoengsao.

What We Offer

• Continuous professional development with many opportunities for growth
• Access to a wide variety of internal and external training courses on our learning system
• Hybrid Working Setup

We understand that candidates will not meet every single desired job requirement.  If your experience looks a little different from what we’ve identified and you think you can bring value to the role, we’d love to learn more about you.

Be part of a high-growth company where your career can thrive.

At Diversey - a Solenis Company, we understand that our greatest asset is our people. That is why we offer competitive compensation, and numerous opportunities for professional growth and development. So, if you are interested in working for a world-class company and enjoy solving complex challenges, consider joining our team.