Senior UPW Process Engineer for Water Systems

Ecolab, Inc.; Plano (TX); On-site; USD 75,000 - 112,000; Full time

Benefits offered by this job

Medical, dental, vision

401k

Paid time off

Job summary

Ecolab, Inc. is seeking a Process Engineer to own complex UPW and wastewater design activities, interfacing with customers and vendors. You will develop complete design deliverables, support project execution from concept through startup, and mentor junior engineers while ensuring quality, safety, and schedule adherence.

The role emphasizes leading technical reviews, performing equipment sizing, and driving continuous improvement across projects, in a full-time, on-site capacity.

Qualifications

• Advanced knowledge of UPW, reclaim, or industrial water treatment systems.
• Experience owning designs of large-scale UPW and wastewater systems in a semiconductor fab.
• Ability to independently develop process calculations, sizing, and mass balances.
• Experience preparing process deliverables including PFDs, P&IDs, narratives, equipment lists, and specs.

Responsibilities

• Own and execute process engineering scope for UPW, wastewater, and reclaim systems.
• Develop and check core deliverables such as mass balances, process descriptions, PFDs, and P&IDs.
• Review 3D models and documents for technical accuracy and constructability.
• Coordinate with automation, mechanical, electrical, and layout teams for integrated designs.
• Lead technical reviews with customers and support procurement decisions.
• Support proposal, RFI, and RFP efforts with sizing and concepts.

Skills

UPW systems knowledge

Mass balances & PFDs/P&IDs

Equipment sizing (PipeFlo/WAVE)

Interdisciplinary collaboration

Mentoring junior engineers

AutoCAD Plant3D (plus)

Education

Bachelor’s in chemical or environmental engineering

Tools

PipeFlo

WAVE

OEM projection tools

AutoCAD Plant3D

Job description

Ecolab, Inc. is seeking a Process Engineer to own complex UPW and wastewater design activities, interfacing with customers and vendors. You will develop complete design deliverables, support project execution from concept through startup, and mentor junior engineers while ensuring quality, safety, and schedule adherence.

The role emphasizes leading technical reviews, performing equipment sizing, and driving continuous improvement across projects, in a full-time, on-site capacity.