Process Chemical Engineer II

We are seeking a Process Chemical Engineer II to design, specify, and implement chemical distribution and dosing systems supporting ultra-pure water (UPW) and industrial wastewater treatment. In this role, you will take ownership of system engineering from concept through commissioning, collaborating with cross-functional teams and vendors to deliver safe, reliable, and efficient chemical process solutions.

What You Will Do

• Design and engineer chemical distribution and dosing systems for UPW and industrial wastewater applications
• Develop and maintain P&IDs, process flow diagrams, equipment layouts, and supporting calculations in collaboration with design and CAD teams
• Size and specify pumps, tanks, piping, valves, instrumentation, and dosing systems
• Ensure systems meet performance requirements, safety standards, customer specifications, and regulatory compliance
• Partner with equipment vendors to evaluate, select, and procure system components
• Review vendor submittals, drawings, and technical proposals for compliance with specifications
• Lead technical discussions and resolve design and performance gaps
• Perform mass balance calculations, chemical dosing calculations, and system modeling
• Optimize chemical usage, dosing accuracy, and system efficiency
• Support troubleshooting, root cause analysis, and continuous improvement initiatives
• Support capital projects from concept through commissioning and startup
• Collaborate with engineering, construction, commissioning, and operations teams to ensure successful installation and handoff
• Develop and review commissioning plans and operational procedures
• Conduct hazard analyses such as HAZOP and FMEA as required
• Perform source inspections at vendor sites to verify systems meet requirements

Position Details

• Reports to: Systems Engineering Manager
• Travel: Periodic travel required for customer design reviews, vendor inspections, and commissioning activities, potentially up to two weeks at a time, several times per year depending on project needs

Minimum Qualifications

• Bachelor’s degree in Chemical Engineering or related field
• 2+ years of experience in chemical process engineering, ideally with semiconductor UPW and wastewater systems including hydrofluoric acid waste, ammonia peroxide treatment, copper slurry waste, chemical mechanical polish metal, and oxide waste
• Strong understanding of fluid systems, pump sizing, and process controls
• Experience working with vendors and reviewing technical submittals

Preferred Qualifications

• Experience designing and commissioning chemical dosing and delivery systems (e.g., blender systems)
• Experience in semiconductor, pharmaceutical, or advanced manufacturing environments
• Familiarity with UPW systems (RO, EDI, polishing loops) and industrial wastewater treatment processes
• Knowledge of instrumentation and control systems (PLC/SCADA integration)

Annual or Hourly Compensation Range

The pay range for this role is $80,000-$110,000 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.