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: Kalasin Plant
Workplace type: On-site (up to 50% domestic travel)
Reports to: Project Director
Direct reports: None (functional oversight of consultants, EPCm engineers, and contractors)

Make a difference as Senior Process Engineer – Wastewater Treatment (WWT)
As Senior Process Engineer – WWT, you will lead the technical review, validation, and implementation of wastewater treatment and brine crystallization projects for Ingredion Thailand’s starch manufacturing facilities. You will be the on-site engineering authority, collaborating with EPCm partners, consultants, and vendors to ensure safe, sustainable, and cost-effective wastewater operations that comply with environmental and corporate standards.

What you will do :

Review and validate WWT designs (PFDs, P&IDs, mass balances, equipment sizing, datasheets)

Ensure systems meet corporate environmental targets, Thai discharge standards, and industry best practices

Evaluate and recommend brine treatment and crystallization technologies (thermal, membrane, etc.)

Provide site support during construction, ensuring installation quality and design adherence

Participate in FAT, SAT, and vendor inspections for WWT equipment and systems

Support permitting and regulatory compliance processes with authorities

Lead pre-commissioning, commissioning, and startup of WWT and brine crystallization units

Develop commissioning plans, punch lists, test procedures, and ensure O&M package handover

Collaborate with global and regional engineering, EHS, and operations teams to ensure long-term operability

What you will bring :

Bachelor’s or Master’s degree in Chemical or Environmental Engineering

Minimum 8 years’ process engineering experience in industrial wastewater treatment

Strong knowledge of biological (aerobic/anaerobic), membrane (RO/NF), and crystallization processes

Skilled in process design review, mass balance, and technical documentation

Familiarity with Thai environmental regulations and hazardous wastewater handling

Proficient in MS Office, AutoCAD, and process simulation tools (Aspen, Biowin, GPS-X)

Fluent in Thai and proficient in English (spoken and written)

Who you are :

Technical leader with strong problem-solving and analytical skills

Self-directed, proactive, and adaptable in complex project environments

Collaborative and effective across multi-disciplinary, multi-cultural teams

Strong communicator with integrity and customer focus

Able to travel domestically up to 50% for project execution

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

Total Rewards Package – Competitive compensation and performance incentives

Comprehensive Benefits & Wellness Support – Health, savings, and well-being resources

Career Growth – Exposure to regional and global projects in sustainability and process engineering

Employee Recognition Program – Global recognition platform to celebrate achievements

Employee Referral Program – Earn rewards by referring great talent

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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:

https://www.ingredion.com/content/dam/ingredion/2025/apac/thailand/pdfs/Privacy%20Notice%20-%20Thai.pdf

https://www.ingredion.com/content/dam/ingredion/2025/apac/thailand/pdfs/Privacy%20Notice%20-%20English.pdf

Relocation Available: