Staff Industrial Water Process Engineer

Western Midstream; Billerica (MA); On-site; USD 90,000 - 120,000; Full time

Job summary

Western Midstream in Billerica, MA seeks a process engineer specializing in membrane-based water and wastewater treatment. You will lead field pilots, design and optimize membrane systems, and support project development.

Travel up to 25% and collaboration with sales and operations are key. A bachelor in engineering is required; Master’s preferred. On-site Monday–Friday with growth opportunities within the organization.

Qualifications

• 2-5 years of membrane system design, operations, and piloting.
• 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 written/verbal communication skills.
• Computer literacy in Microsoft Word, Excel, and PowerPoint; HMI/PLC familiarity.

Responsibilities

• Plan and execute field pilots at customer sites to demonstrate membrane solutions.
• Conduct in-house validation trials for new products or applications.
• Analyze pilot data and prepare client reports.
• Develop cost-effective membrane system designs to meet customer needs.
• Size equipment, pumps, piping, and valves for water and wastewater systems.
• Develop process documentation including P&IDs and mass balances.

Skills

Membrane design

Pilot operation

Water chemistry

System sizing

Analytical skills

Communication

MS Office

Field work

Time management

Travel readiness

Education

Bachelor’s degree in Chemical/Civil/Environmental Engineering

Master’s degree preferred

Tools

Excel

Word

PowerPoint

HMI/PLC

Job description

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 an on-site role requiring a Monday–Friday work schedule