Wastewater Treatment Specialist

About Ingredion:

Join Ingredion, where innovation impacts lives worldwide! Without even realizing it, you’ve experienced our work in your favorite chocolate, your pet’s food, the paper you write on, and your everyday snacks. As a global powerhouse across more than 60 industries, we harness the potential of natural ingredients to transform lives. Whether you’re just starting your career or bringing years of experience, there's a place for you here to make a real difference. Be part of our team that values a wide range of perspectives and is committed to shaping a better world with every product we create.

Location: Banglen Plant, Nakhon Pathom, Thailand

Workplace type: On-site

Reports to: Production Manager

Direct reports: Wastewater Foreman and Wastewater Operators

Relocation available: No

Ingredion is looking for a Wastewater Treatment Specialist to ensure reliable, compliant, and efficient wastewater operations at our Banglen Plant. Your expertise will help protect the environment, strengthen community confidence, optimize treatment performance, and advance sustainability and cost-improvement initiatives.

As a Wastewater Treatment Specialist, you will manage and continuously improve wastewater treatment processes, lead the foreman and operator team, ensure treated effluent meets Thai regulations and company standards, and partner with internal teams, authorities, and community stakeholders.

What you will do:

• Operate & Optimize Treatment Systems – Monitor and control wastewater operations, chemical dosing, plate settlers, activated sludge, and anaerobic systems to ensure safe and stable performance.
• Analyze Water Quality – Interpret pH, COD, BOD, TSS, ammonia nitrogen, and total nitrogen data to identify trends and maintain compliant effluent quality.
• Troubleshoot & Improve – Lead root-cause analysis, risk assessment, and corrective and preventive actions to resolve process issues and prevent recurrence.
• Ensure Environmental Compliance – Maintain compliance with Thai environmental regulations, discharge permits, waste-management requirements, and Ingredion standards.
• Manage Reporting & Records – Prepare regulatory and operational reports and maintain accurate treatment, performance, and compliance data.
• Collaborate with Stakeholders – Coordinate with EHS, QA, Production, Maintenance, Supply Chain, GTM, regulators, government agencies, and community representatives.
• Lead People & Sustainability – Coach foremen and operators, deliver environmental and safe-work training, reduce wastewater generation, improve sustainability, and control treatment costs.

What you will bring:

• Bachelor’s degree in Environmental Engineering, Chemical Engineering, Environmental Science, or a related field.
• Minimum 2–4 years of experience in wastewater treatment operations or environmental management in an industrial setting.
• Mandatory Environmental Certification or Water Effluent Controller Certificate (ผู้ควบคุมระบบบำบัดมลพิษน้ำ).
• Practical knowledge of wastewater parameters, biological and chemical treatment processes, Thai environmental regulations, and wastewater discharge requirements.
• Proficiency in Microsoft Excel and data analysis; good English communication is preferred.

Who you are:

• A hands-on environmental professional with strong ownership and a commitment to compliance and sustainability.
• A practical problem solver with strong troubleshooting, analytical thinking, and continuous-improvement capability.
• A collaborative partner who builds effective relationships across functions, government agencies, and the local community.
• A capable people leader who can coach operators and conduct wastewater, environmental, and safe-work training.
• Organized, safety-conscious, and comfortable managing operational and compliance priorities.

Why Join Ingredion?

Discover why Ingredion is the ideal place to advance your career with our rewards and benefits package designed to help you thrive. Create the future with us and enjoy:

• Total Rewards Package – Competitive salary and performance-based pay recognizing your contributions.
• Comprehensive Benefits & Wellness Support – Health, long-term savings, and resources for your well-being.
• Career Growth – Opportunities to build expertise and progress into environmental or supervisory roles.
• Employee Recognition Program – A culture of real-time appreciation and personalized recognition rewards.
• Employee Referral Program – Refer top talent and earn a bonus if they are hired.
• Thailand Benefit – Exclusive housing-loan rates through the Government Housing Bank.

About:

Ingredion (Thailand) Company Limited and its affiliates acknowledge the importance of compliance with the Personal Data Protection Act B.E. 2562 (PDPA). To learn more about how Ingredion collects, uses, and/or discloses Personal Data, please refer to the privacy notices below:

Privacy Notice - English.pdf

Privacy Notice - Thai.pdf

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Ingredion uses AI-enabled tools to support parts of the recruitment process, including resume screening and interview scheduling. These tools help match candidate skills to job requirements and streamline communication. All AI-assisted decisions are reviewed by our Talent Acquisition team to ensure fairness and compliance with applicable laws. By applying, you acknowledge that AI may be used to support your application journey.

Relocation Available:

No