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Industrial Water Process Engineer

Western Midstream

Billerica, MA · Posted October 2, 2026

More in Massachusetts job market · Energy & Utilities · Engineering jobs

About the job

Job Summary:

This role offers the opportunity to join a team that will help drive innovative solutions for industrial water and wastewater with a focus on high water recovery. We’re pushing ultrafiltration and reverse osmosis technologies to new levels of performance, delivering exceptional outcomes for our customers. We’re looking for a teammate who is deeply committed, resourceful in problem-solving, and dedicated to excellence. In this role, you will advance our water treatment solutions through hands-on process engineering, including treatment system design and testing. This is a well-rounded opportunity with strong potential for growth within the Western Midstream organization. This position is based out of Billerica, MA.

Qualifications:

2-5 years of experience in membrane system design (MF/UF/MBR/NF/RO), operations, and piloting

Recent hands-on experience with pilot operation and/or system startups

Strong knowledge of membrane processes and water chemistry

Ability to design, size, and optimize membrane system processes

Analytical skills to understand technical requirements and develop solutions

Attention to detail and strong problem-solving capabilities

Excellent organization and communication skills (written and verbal)

Computer literacy (e.g, Microsoft Word, Excel, Powerpoint, HMI/PLC).

Capable of working independently with management guidance

Excellent time management skills and ability to multi-task and prioritize work

Willingness to travel for field work as needed

Responsibilities:

Plan and execute field pilots to demonstrate Western Midstream membrane solutions at customer sites

Conduct in-house validation trials for new products or applications

Analyze pilot data and prepare reports for clients

Develop cost-effective membrane system designs to meet customer needs

Sizing for equipment, pumps, piping, valves for water and wastewater treatment systems

Develop process documentation including P&IDs, mass balances, and control narratives

Support sales in developing technical proposals and performance guarantees

Assist with project management for installation, field design, and site work

Commission membrane systems, troubleshoot issues, and provide after-sales support

Physical Requirements: *Ability to work in the field at our pilot sites which may include:

Moving safely around operating water treatment equipment to accomplish tasks

Outdoor elements such as precipitation, wind, high, and low temperatures

Education:

Bachelor’s degree required in relevant engineering subject matter (chemical, civil, environmental). Master’s degree preferred. Grade and salary commensurate with relevant education and experience.

Travel Requirements:

Travel of up to 25% is required for this role.

Work Schedule:

This is a hybrid position that will work 9 hours Monday – Thursday and 4 hours on Friday.