Water Treatment Applications Engineer (Hybrid)

Western Midstream; The Woodlands (TX); Hybrid; USD 90,000 - 135,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Western Midstream is seeking an Applications Engineer to develop technical and commercial proposals for industrial and municipal water treatment projects. This role supports business development by evaluating customer requirements, developing treatment solutions, performing process calculations, selecting equipment, estimating costs, and preparing high-quality proposals.

The successful candidate will have experience with membrane technologies including RO, UF, NF, MBR, and related water

Qualifications

• Minimum 5 years of experience in water treatment engineering or proposal development.
• Experience designing industrial or municipal water/wastewater systems.
• Produced water/reuse experience is a plus.
• Strong knowledge of RO, UF, NF and related processes.
• Ability to develop technical proposals, cost estimates and customer docs.

Responsibilities

• Lead technical proposal development for water treatment projects across sectors.
• Develop treatment concepts, process designs, equipment selections and scopes of supply.
• Perform mass balances, hydraulic and membrane projections and water analyses.
• Prepare capital and operating cost estimates and lifecycle analyses.
• Coordinate with suppliers, procurement, and internal teams for pricing and accuracy.
• Support customer meetings, site visits, and technical Q&A throughout the sales cycle.
• Engage in proposal risk assessment, value engineering, and contract reviews.
• Provide technical support during project execution, startup and troubleshooting.
• Ensure compliance with safety, environmental and regulatory requirements.

Skills

Membrane tech

Process calculations

Proposal development

Cost estimation

Technical communication

Client interaction

Water chemistry

Education

Bachelor's in Chemical, Environmental, Civil, or Mechanical Engineering

Tools

WAVE

ROSA

IMSDesign

Winflows

Microsoft Office

Job description

Western Midstream is seeking an Applications Engineer to develop technical and commercial proposals for industrial and municipal water treatment projects. This role supports business development by evaluating customer requirements, developing treatment solutions, performing process calculations, selecting equipment, estimating costs, and preparing high-quality proposals.

The successful candidate will have experience with membrane technologies including RO, UF, NF, MBR, and related water