Water/Wastewater Treatment Supervisor

Job description

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: Sikhiu Plant Workplace type: On-site Relocation available: No As a Water/Wastewater Treatment Supervisor – Maintenance, you will manage daily and 24/7 operational readiness of water, wastewater treatment, and biogas systems, including workforce planning, process control, budget awareness, quality and environmental compliance, and KPI delivery. This role reports to the Maintenance, Reliability & Utility Manager and leads foremen, leaders, operators, and technicians supporting biogas and wastewater operations. You will work closely with EHS, QA, Production, Maintenance, Supply Chain, GTM, and external stakeholders including community, regulators, and government agencies. What you will do: Lead water, wastewater treatment, and biogas operations to ensure reliable plant performance, environmental compliance, discharge standard adherence, and operational continuity. Supervise daily operations, workforce planning, shift readiness, and emergency response while ensuring operators and technicians follow procedures, work instructions, SOPs, and life saver rules. Drive process control, troubleshooting, root cause analysis, corrective and preventive actions, and timely escalation of abnormal conditions or operational risks. Support Ingredion Performance System (IPS) activities, including tier meetings, follow-up actions, RCA/FCA, KPI scorecard progress, capacity improvement, and utility optimization initiatives. Maintain strong quality, food safety, hygiene, and housekeeping standards, supporting systems such as ISO 9001, ISO 14001, HACCP, GHPs, FSSC 22000, Halal, Kosher, and other company requirements. Control day-to-day direct and indirect costs related to utilities, chemicals, supplies, and operations, while supporting energy optimization, chemical optimization, water reuse, and process improvement opportunities. Coordinate cross-functionally with EHS, QA, Production, Maintenance, Engineering, Supply Chain, GTM, and other stakeholders to ensure high-performance operations and smooth production support. What you will bring: Bachelor’s degree in environmental engineering or a related field in wastewater treatment. 3–5 years of experience in wastewater treatment plant operations, water/wastewater treatment processes, environmental operations, or biogas processes. Strong understanding of water treatment, wastewater process control, biogas processes, environmental regulations, and discharge standards. Knowledge of water/wastewater treatment management systems, biogas system performance, capacity and utility optimization is advantageous. Experience supervising operators and technicians, with the ability to plan, monitor, and control plant operations to meet KPIs. Knowledge of food safety and quality management systems, including ISO 9001, ISO 14001, HACCP, GHPs, FSSC 22000, Halal, and Kosher requirements. Good command of English, both written and spoken, with strong troubleshooting and problem-solving skills. Who you are: A hands-on environmental and utility operations leader who can coach teams and maintain safe, compliant, and reliable operations. A practical problem-solver who can identify root causes, act quickly, and support sustainable corrective and preventive actions. A collaborative partner who communicates effectively across functions and with external stakeholders. Continuous improvement minded, with interest or experience in Lean, Six Sigma, energy optimization, chemical optimization, water reuse, or Zero Liquid Discharge concepts. Comfortable working with operational systems and tools such as SCADA, automation systems, CMMS/SAP PM, ERP, Microsoft Office, and able to read P&ID and Process Flow Diagrams. Certification related to pollution control, such as wastewater, air, solid waste, or ISO 14001, is an advantage. Experience in food and beverage, industrial manufacturing, energy and utility, chemical, or FMCG environments is preferred. Why Join Ingredion? Discover why Ingredion is the ideal place to advance your career with our exceptional 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 to our success. Comprehensive Benefits & Wellness Support – Health, long-term savings, and resources for your physical, mental, and emotional well-being. Career Growth – Learning, training, and development opportunities, with potential career growth toward Maintenance Manager or EHS Manager. Employee Recognition Program – A culture of real-time appreciation, with personalized recognition rewards globally. Employee Referral Program – Refer top talent and earn a bonus if they’re hired. Thailand benefit – Exclusive housing loan rates through the Government Housing Bank. About Ingredion (Thailand) Company Limited and its affiliates (collectively referred to as “Ingredion”) acknowledge the importance of compliance with the Personal Data Protection Act B.E. 2562 (PDPA) by respecting the privacy of Data Subjects. To know more about how Ingredion collects, uses, and/or discloses Personal Data, please refer to the privacy notice here: Privacy Notice - English.pdf Privacy Notice - Thai.pdf #LI-KA 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