Process Engineer – Biological Effluent Treatment Plant

IFF (Great Britain) Limited; Haverhill; On-site; GBP 32,000 - 52,000; Full time

Job summary

IFF (Great Britain) Limited in Haverhill, United Kingdom, is seeking a dedicated environmental professional for an on-site role. You will manage the Biological Effluent Treatment Plant to ensure stable operation and regulatory compliance across the site.

Responsibilities include optimizing aeration, chemical dosing and sludge management, analyzing process data, supporting audits and environmental reporting, and driving continuous improvement through MOC with the site teams.

Qualifications

• Degree in Chemical Engineering, Environmental Engineering, or related discipline, or equivalent experience.
• Experience with industrial wastewater, biological treatment, or effluent processes.
• Knowledge of process optimization and troubleshooting.
• Ability to analyze process and compliance data for decision making.

Responsibilities

• Own and monitor the Biological Effluent Treatment Plant (ETP) performance for stability and compliance.
• Optimize aeration, chemical dosing, and sludge management.
• Provide technical guidance for day-to-day operations and process upsets.
• Analyze process performance data to identify efficiency improvements.
• Manage sampling programs and compliance monitoring.
• Contribute to environmental audits, reporting and inspections.
• Drive continuous improvement through Management of Change (MOC).
• Collaborate with site teams to maintain health, safety, and environmental standards.

Skills

Process optimization

Operational troubleshooting

Data analysis

Cross-team collaboration

Communication skills

Microsoft Office

Education

Chemical/Environmental Engineering degree

Tools

Process data management tools

Regulatory/compliance software

Job description

Job Summary

Are you passionate about environmental sustainability and eager to make a tangible impact on industrial operations every day? IFF is a global leader in flavors, fragrances, food ingredients and health & biosciences. We deliver sustainable innovations that elevate everyday products. Global Operations: Ensuring excellence in execution, from procurement to supply chain and reliability, delivering quality, safety, efficiency and sustainability across the value chain. The role is based in Haverhill, United Kingdom (on-site role). Be part of a solution-oriented, experienced, and dedicated team where you can drive meaningful results and make a real impact. Your potential is our inspiration.

Where You’ll Make a Difference

• Own and monitor the performance of the Biological Effluent Treatment Plant (ETP) to ensure stable operation and environmental compliance.
• Optimize key treatment processes, including aeration, chemical dosing, and sludge management.
• Provide technical guidance and troubleshooting for day-to‑day operations and process upsets.
• Analyze process performance data and identify opportunities to enhance treatment efficiency.
• Manage sampling programs and execute compliance monitoring activities.
• Contribute to environmental audits, reporting requirements, and regulatory inspections.
• Drive continuous improvement initiatives and implement operational changes through Management of Change (MOC) processes.
• Partner with site teams to maintain high standards of health, safety, and environmental performance.

What Makes You the Right Fit

• Degree in Chemical Engineering, Environmental Engineering, or a related technical discipline, or equivalent practical experience.
• Experience working with industrial wastewater, biological treatment, or effluent treatment processes.
• Strong knowledge of process optimization and operational troubleshooting.
• Ability to analyze process and compliance data to support decision‑making.
• Knowledge of environmental regulations, permitting requirements, and compliance standards.
• Experience supporting audits, inspections, and environmental reporting activities.
• Effective communication skills and the ability to work collaboratively across operational teams.
• Proficiency with Microsoft Office applications and process data management tools.

How Would You Stand Out?

• Experience within the chemical, biotechnology, food, or manufacturing industry.
• Familiarity with continuous improvement methodologies and operational excellence practices.
• Strong organizational skills with the ability to manage multiple priorities in a dynamic environment.

Why Choose Us?

• Opportunity to contribute to sustainability and environmental stewardship initiatives.
• Professional onboarding and training programs.
• Career development and learning opportunities.
• Collaborative and supportive working environment.
• Exposure to innovative technologies and industrial processes.
• Chance to make a meaningful impact on environmental performance and operational excellence.

We are a global leader in taste, scent, and nutrition, offering our customers a broader range of natural solutions and accelerating our growth strategy. At IFF, we believe that your uniqueness unleashes our potential.

We value the diverse mosaic of the ethnicity, national origin, race, age, sex, or veteran status. We strive for an inclusive workplace that allows each of our colleagues to bring their authentic self to work regardless of their religion, gender identity & expression, sexual orientation, or disability.

Visit IFF.com/careers/workplace-diversity-and-inclusion to learn more At IFF, we make joy through science, creativity and heart.

As the global leader in flavors, fragrances, food ingredients, health and biosciences, we deliver groundbreaking, sustainable innovations that elevate everyday products - advancing wellness, delighting the senses and enhancing the human experience.

We value an inclusive, creative workplace where all individuals can thrive and do their best work.

We consider all qualified candidates equally and based on merit, without regard to religion, ethnicity, national origin, race, age, veteran status, gender identity or expression, sexual orientation or disability.