Job Description

Wastewater Process Engineer

Make an Impact Where Engineering Meets Sustainability

Are you passionate about solving complex environmental challenges and optimizing critical infrastructure? Join our team as a Wastewater Process Engineer, where you’ll play a key role in improving treatment performance, driving efficiency, and ensuring regulatory compliance across wastewater treatment operations.

This role offers hands-on technical work, cross‑functional collaboration, and the opportunity to make a meaningful impact on environmental protection and operational excellence.

Working at Abbott

At Abbott, you can do work that matters, grow, and learn, care for yourself and your family, be your true self, and live a full life. You’ll also have access to:

• Career development with an international company where you can grow the career you dream of.
• Employees can qualify for free medical coverage in our Health Investment Plan (HIP) PPO medical plan in the next calendar year.
• An excellent retirement savings plan with a high employer contribution
• Tuition reimbursement, the Freedom 2 Save student debt program, and FreeU education benefit - an affordable and convenient path to getting a bachelor’s degree.
• A company recognized as a great place to work in dozens of countries worldwide and named one of the most admired companies in the world by Fortune.
• A company that is recognized as one of the best big companies to work for as well as the best place to work for diversity, working mothers, female executives, and scientists.

The Opportunity

This position works out of our Casa Grande, Arizona location in the Abbott Nutrition division. Our Nutrition business develops science-based nutrition products for people of all ages, from helping babies and children grow to keeping adult bodies strong and active. Millions of people around the world count on our leading brands – including Similac®, PediaSure®, Pedialyte®, Ensure®, and Glucerna® – to help them get the nutrients they need to live their healthiest lives.

Casa Grande, AZ., is one of Abbott’s leading nutrition manufacturing plants in the U.S., reflecting our commitment to innovation and excellence. But we’re more than just a company, we’re a family. Working here you’ll be part of a family that works together to make a difference and enhance the lives of millions worldwide.

What You’ll Work On

• Evaluate and assess wastewater treatment processes to identify opportunities for optimization, efficiency improvements, and cost savings
• Design and implement process engineering solutions to address challenges such as nutrient removal, odor control, and sludge management
• Perform hydraulic, mass balance, and sizing calculations, including equipment selection for treatment systems and unit processes
• Develop and review engineering documentation, including process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), and technical calculations
• Collaborate with multidisciplinary teams—engineers, scientists, and technicians—to deliver solutions that meet operational goals and regulatory requirements
• Provide technical support during construction, commissioning, startup, and operation, including troubleshooting and process optimization
• Conduct pilot-scale testing and field evaluations to validate performance and support full‑scale implementation
• Stay current on emerging technologies, regulatory changes, and industry best practices, applying new knowledge to improve design and execution

You’ll be accountable for meeting our compliance standards including FDA, OSHA and Abbott policies and procedures.

Required Qualifications

• Bachelor’s degree in Environmental, Civil, Chemical Engineering, or a related field
• 3+ years of experience in wastewater process engineering, consulting, or a related role
• Demonstrated expertise in wastewater plant operations and treatment processes

Preferred Qualifications

• Strong understanding of wastewater treatment technologies, including activated sludge, biological nutrient removal, filtration, and disinfection
• Knowledge of environmental regulations and discharge requirements, such as EPA regulations and NPDES permits
• Excellent analytical and problem‑solving skills with the ability to develop innovative, practical solutions
• Strong communication skills to effectively explain technical concepts to internal teams, regulators, and stakeholders
• Arizona Wastewater Certification (Grade 3 or higher)

Work Schedule

This position follows a rotating schedule with coverage required between 6:00 a.m. and 8:00 p.m., Monday through Sunday. Team members work four 10‑hour shifts (4x10) per week; however, these shifts may not always be scheduled consecutively.

Current scheduled shift times include:

• 6:00 a.m. – 4:30 p.m.
• 9:30 a.m. – 8:00 p.m.

Flexibility is required, as occasional night shift coverage may be needed based on operational demands.

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. Pre-Employment Inquiries and Citizenship | U.S. Equal Employment Opportunity Commission (eeoc.gov)

Apply Now

* Participants who complete a short wellness assessment qualify for FREE coverage in our HIP PPO medical plan. Free coverage applies in the next calendar year.

Learn more about our health and wellness benefits, which provide the security to help you and your family live full lives: www.abbottbenefits.com

Follow your career aspirations to Abbott for diverse opportunities with a company that can help you build your future and live your best life. Abbott is an Equal Opportunity and Military/Veteran friendly Employer, committed to employee diversity.

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