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About the job

As a Process Engineer II , you will serve as an independent contributor responsible for the design, sizing, and documentation of Ultra-Pure Water (UPW), Wastewater Treatment, and Reclaim Water Treatment Systems for semiconductor and advanced manufacturing facilities. In this role, you will develop review-ready technical deliverables, support client and internal technical discussions, and take increasing ownership of defined engineering scopes while collaborating across project, design, automation, and commissioning teams.

What’s in it For You

Take ownership of defined process engineering scopes with increasing technical responsibility

Collaborate with multidisciplinary teams across engineering, design, automation, procurement, construction, and commissioning

Support innovative water treatment solutions focused on complete water circularity capabilities

Participate in client design reviews, startup activities, and performance verification efforts

Contribute to continuous improvement of process standards and engineering best practices

What You Will Do

Perform system sizing, process calculations, and mass balances for Ultra-Pure Water (UPW), Wastewater Treatment, and Reclaim Water Treatment Systems with senior review as required

Develop and maintain process specifications, design bases, and technical narratives aligned with contract documents and client standards

Prepare and maintain P&IDs, process flow diagrams, equipment lists, and supporting calculations in coordination with design and CAD teams

Review vendor technical data, equipment proposals, and submittals for technical compliance and system integration

Support client technical discussions, design reviews, and internal coordination meetings by communicating process intent and design assumptions

Coordinate with automation and controls engineers to align process design with control philosophy, sequences of operation, and functional logic

Provide technical support to project engineering, procurement, construction, and commissioning teams to resolve process-related issues

Participate in startup and commissioning activities, including troubleshooting and performance verification, as required

Demonstrate increasing technical ownership of assigned scopes while incorporating feedback from senior engineers

Contribute to continuous improvement of process standards and best practices

Position Details

Onsite at our Vancouver, WA office, Hybrid work

Periodic travel is required to support customer design reviews and startup/commissioning efforts

Maximum travel requirement may be up to two weeks at a time, potentially several times per year, depending on project needs

Minimum Qualifications

Bachelor’s degree in Chemical Engineering, Environmental Engineering, or other related qualified training from an accredited university is required

3 years of related experience and/or an equivalent combination of education and experience

Working knowledge of Ultra-Pure Water (UPW), Wastewater, Reclaim, or Industrial Water Treatment Systems, including core unit operations such as Filtration, ACF, UF, RO, IX/EDI, Solids Separation, Sludge Management, Biological Treatment, and Chemical Systems

Familiarity with third-party sizing and projection software, including RO, GTM, pumps, Ion Exchange, PIPEFLO, WAVE, PHREEQC, or similar tools

Ability to develop process calculations, system sizing, and mass balances with limited supervision and senior review

Experience preparing and maintaining process deliverables including PFDs, P&IDs, process narratives, equipment lists, and technical specifications

Ability to collaborate effectively with project, mechanical, electrical, automation, and design teams to deliver coordinated and constructible system designs

Preferred Qualifications

Proficiency in AutoCAD Plant3D is a plus.

Careers Advancing Ovivo Ultra-Pure Water+ by Ecolab’s Water Technology Solutions

Help shape the future of water and technology by joining a team that drives innovation in ultrapure water solutions —critical to industries powering global progress. These careers offer the chance to make an impact that matters solving complex challenges, collaborating across borders, and creating solutions that protect vital resources. If you’re passionate about water circularity, sustainability and technology, explore opportunities where your expertise fuels advancement and your growth is supported.

Annual or Hourly Compensation Range:

The pay for this role is $90,000-$120,000 Many factors are taken into consideration when determining compensation, such as experience, education, training, geography, etc. We comply with all minimum wage and overtime laws.

Benefits

Ecolab provides the following benefits: medical, dental, vision, life insurance, accident insurance, critical illness insurance, hospital indemnity insurance, auto insurance, home insurance, pet insurance, identity theft protection, short-term and long-term disability, 401k, pension plans, retirement health care benefits, short-term incentives, vacation (12 days), holidays, parental leave, employee stock purchase plans (Full-Time Associates), discount on day care services and caregiver services, adoption assistance, group legal services, employee assistance program, employee discount program, and education assistance program, on-Site childcare and fitness facilities may be available at select Ecolab locations. Click here  for additional benefits information.  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.

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 required 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.

Our Commitment to a Culture of Inclusion & Belonging

At Ecolab, we believe the best teams are inclusive. We are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants and recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran.

In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA).

We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance, the San Francisco Fair Chance Ordinance, and the New York City Fair Chance Act.