Senior Process Design Engineer – Industrial Wastewater
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Overview
Job Description
We are seeking an experienced process engineering professional to lead the design and deployment of industrial wastewater treatment, reuse, and recycle solutions. In this role, you will serve as a technical leader supporting Food & Beverage customers, while also contributing to projects across other industrial sectors. You will be responsible for process design from early concept development through detailed engineering, commissioning, and optimization, partnering closely with sales, project execution, and customers to deliver reliable, high-performing treatment systems.
What’s in it For You
- Opportunity to own complex process designs from concept through startup and optimization
- Exposure to a wide range of industrial wastewater treatment and reuse applications, with a strong focus on Food & Beverage
- Ability to work directly with customers, internal teams, and technology partners
- Platform to provide technical leadership, mentoring, and knowledge sharing across the organization
- Involvement in developing standard designs, best practices, and continuous improvement initiatives
What You Will Do
- Develop conceptual and preliminary process designs for industrial wastewater treatment, reuse, and recycle systems, primarily for Food & Beverage applications
- Define treatment strategies and system configurations based on wastewater characteristics, recovery goals, and discharge or reuse requirements
- Prepare mass balances, process flow diagrams (PFDs), and high-level system layouts
- Develop complete process design packages, including PFDs, P&IDs, hydraulic calculations, and mass and energy balances
- Design full wastewater treatment trains, including pretreatment, core treatment, and post-treatment processes
- Select appropriate treatment technologies and perform unit operation design and equipment sizing
- Generate equipment lists, process design criteria, and support solution costing
- Support project execution through design reviews, commissioning, startup, and system optimization
- Troubleshoot process performance issues and validate system performance in the field
- Serve as a technical resource to sales, service, and implementation teams and support training and mentoring of engineers
Position Details
- Location: Naperville, IL or Remote (U.S.-based, near a major airport)
- Travel: Approximately 20%+ (domestic)
- Employment Type: Full-time
Minimum Qualifications
- Bachelor’s or Master’s degree in Chemical Engineering
- 10+ years of water and wastewater treatment process design experience
- Strong background in industrial wastewater treatment and system integration
- Experience developing process designs for complex treatment systems, including biological, chemical, and/or membrane processes
Preferred Qualifications
- 15+ years of process design experience
- 5–10+ years of experience in industrial wastewater reuse and recycle systems
- Experience with Food & Beverage wastewater treatment applications
- Experience across other industrial sectors such as Chemical, Data Centers, or Primary Metals
Annual or Hourly Compensation Range
Benefits
Ecolab strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families.Click hereto see our benefits.
If you are viewing this posting on a site other than our Ecolab Career website, view our benefits at jobs.ecolab.com/working-here.
Potential Customer Requirements Notice
To meet customer requirements and comply with local or state regulations, applicants for certain customer-facing roles may need to:
- Undergo additional background screens and/or drug/alcohol testing for customer credentialing.
- Be fully vaccinated for COVID-19, including a booster if eligible, unless a religious or medical accommodation is requested by the applicant and approved by Ecolab.
Americans with Disabilities Act (ADA)
Ecolab will provide reasonable accommodation (such as a qualified sign language interpreter or other personal assistance) with our application process upon request as to comply with applicable laws. If you have a disability and require accommodation assistance in this application process, please visit the Recruiting Support link in the footer of each page of our career website.
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