Senior UPW & Water Treatment Process Engineer

Ecolab; Washington (District of Columbia); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

medical

dental

vision

401k

vacation (12 days)

parental leave

Job summary

Ecolab is seeking a Process Engineer II in Vancouver, WA, onsite with hybrid work. You will independently design, size, and document UPW, wastewater, and reclaim water systems for semiconductor and advanced manufacturing facilities, supporting client discussions and project teams.

You’ll develop review-ready deliverables, contribute to process standards, and participate in startup activities. Travel may be required to support design reviews and commissioning efforts.

Qualifications

• Bachelor’s degree in Chemical Engineering or related field is required.
• 3 years of related experience or equivalent combination of education and experience.
• Experience with UPW, wastewater, reclaim, or industrial water treatment systems.

Responsibilities

• Perform sizing, process calculations, and mass balances for UPW, wastewater, and reclaim systems with senior review.
• Develop and maintain process specs, design bases, and narratives aligned with contract documents.
• Prepare and maintain PFDs, P&IDs, equipment lists, and calculations with CAD teams.
• Review vendor data, equipment proposals, and submittals for technical compliance and integration.
• Coordinate with project teams to align process design with control philosophy and sequences.

Skills

UPW systems

Process calculations

PFDs & P&IDs

Mass balances

AutoCAD Plant3D

Team collaboration

Education

Bachelor’s degree in Chemical Engineering

Tools

PIPEFLO

WAVE

PHREEQC

GTM

Job description

Ecolab is seeking a Process Engineer II in Vancouver, WA, onsite with hybrid work. You will independently design, size, and document UPW, wastewater, and reclaim water systems for semiconductor and advanced manufacturing facilities, supporting client discussions and project teams.

You’ll develop review-ready deliverables, contribute to process standards, and participate in startup activities. Travel may be required to support design reviews and commissioning efforts.