Process Engineer II

Ecolab; Vancouver (WA); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k

Job summary

Ecolab is seeking a Process Engineer II to independently design, size, and document Ultra-Pure Water, Wastewater, and Reclaim Water Systems for semiconductor and advanced manufacturing facilities. You will develop review-ready technical deliverables and support client and internal discussions, taking increasing ownership of defined engineering scopes.

You will prepare P&IDs, process flow diagrams, equipment lists, and calculations in coordination with design and CAD teams, review vendor data for

Qualifications

• Bachelor's degree in Chemical Engineering, Environmental Engineering, or related field from an accredited university.
• 3 years of related experience or equivalent combination of education and experience.
• Working knowledge of UPW, Wastewater, Reclaim, or Industrial Water Treatment Systems including core unit operations.

Responsibilities

• Perform sizing, process calculations, and mass balances for UPW, wastewater, and reclaim systems with senior review as required.
• Develop and maintain process specifications, design bases, and narratives aligned with contract documents.
• Prepare and maintain P&IDs, process flow diagrams, equipment lists, and supporting calculations with CAD teams.

Skills

UPW processes

Mass balances

PFDs & P&IDs

Vendor data review

Cross-functional collaboration

Process calculations

Education

Bachelor's degree in Chemical/Environmental Engineering

Tools

PIPEFLO

PHREEQC

GTM

RO

Ion Exchange

Pumps

AutoCAD Plant3D

Job description

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 herefor 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 Aff…

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.