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Membrane Engineer Jobs (NOW HIRING)

Aquatech International LLC

This role is ideal for a technically strong engineer with handson experience designing membranebased systems (UF, RO, EDI) and deep knowledge of water chemistry. * Design membrane treatment systems ...

Aquatech International LLC

This role is ideal for a technically strong engineer with handson experience designing membranebased systems (UF, RO, EDI) and deep knowledge of water chemistry. * Design membrane treatment systems ...

Relco

Membrane Filtration Process Engineer

Stratford, WI · On-site

$85K - $105K/yr

Membrane Filtration Process Engineer Location Stratford WI or Willmar MN Onsite, Hybrid or Fully Remote must be able to commute to Willmar MN or Stratford WI Status Hybrid- Willmar or Stratford ...

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Membrane Engineer information

What is a membrane engineer?

Membrane engineers are professionals who design, develop, and optimize membrane-based systems for applications such as water purification, gas separation, and chemical processing. They work with various membrane materials and processes to achieve efficient separation of substances at the molecular or ionic level. Membrane engineers often collaborate with chemists, material scientists, and process engineers to improve membrane performance and durability. Their expertise is crucial in industries like wastewater treatment, pharmaceuticals, food processing, and energy.

What are the key skills and qualifications needed to thrive as a membrane engineer?

To thrive as a Membrane Engineer, you need a strong background in chemical engineering, materials science, or environmental engineering, often supported by a relevant degree and experience in membrane technology. Familiarity with simulation software (such as COMSOL Multiphysics), laboratory instrumentation, and industry standards or certifications like ISO 9001 is highly valuable. Strong analytical thinking, problem-solving abilities, and effective communication skills help set candidates apart in this role. These competencies enable the development, optimization, and implementation of advanced membrane systems essential for water treatment, gas separation, and sustainable industrial processes.

What are some common challenges membrane engineers face when scaling up from lab-scale to industrial-scale membrane processes?

Membrane Engineers often encounter challenges related to membrane fouling, maintaining consistent performance, and ensuring cost-effective operation when scaling up from laboratory to industrial settings. Issues such as variations in feed water quality, larger system hydraulics, and the need for robust cleaning protocols become more pronounced at scale. Successful engineers collaborate closely with process engineers, maintenance teams, and quality control to troubleshoot and optimize systems for reliability and efficiency. Being proactive in addressing these challenges is key to the role and can lead to significant process improvements.

What is the difference between Membrane Engineer vs Process Engineer?

AspectMembrane EngineerProcess Engineer
CredentialsBachelor's or Master's in Chemical, Materials Science, or Mechanical Engineering; certifications varyBachelor's or Master's in Chemical, Mechanical, or Industrial Engineering; similar certifications
Work EnvironmentResearch labs, manufacturing plants, R&D facilitiesManufacturing plants, industrial facilities, R&D labs
Industry UsageWater treatment, desalination, gas separation, biomedical applicationsOil & gas, chemical processing, manufacturing, energy sectors

Membrane Engineers focus on designing and developing membrane technologies for separation processes, while Process Engineers optimize and manage overall manufacturing processes. Both roles require similar educational backgrounds and often work in overlapping environments, but their core responsibilities differ in scope and application.

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Membrane Engineer jobs near you
Infographic showing various Membrane Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution.

QUA - Applications Engineer (Membrane Technology)

AQUATECH INTERNATIONAL LLC

Remote

Full-time

Retirement, PTO

Re-posted 6 days ago

Job description

At Aquatech, we tackle the challenges of water scarcity and complexity by leveraging technology, expertise, and financing to deliver comprehensive solutions that reduce carbon and recycled water footprint. As a leading global provider of water and process technology solutions, we help the world's most recognized companies achieve their sustainability and operational goals by implementing innovative approaches for water reuse, desalination, minimal and zero liquid discharge, and critical minerals recovery. Our work catalyzes the transition toward a more sustainable future and showcases our commitment to addressing water's role in climate adaptation. Learn more at www.aquatech.com.
Aquatech immediately needs a full-time Applications Engineer to work remotely in the UK, Spain, Italy, France, or Germany. The hours of this position are Monday - Friday, 8:00 to 17:00.
Job Summary:
This Applications Engineer will support the growth of our QUA Technologies portfolio. This role is ideal for a technically strong engineer with hands-on experience designing membrane-based systems (UF, RO, EDI) and deep knowledge of water chemistry.
Job Description:
  • Design membrane treatment systems (UF, RO, EDI/FEDI) including process calculations and performance modeling
  • Develop PFDs, P&IDs, datasheets, and proposal-level design packages
  • Analyze water chemistry to optimize performance and mitigate fouling/scaling
  • Support sales teams with technical proposals and customer discussions
  • Collaborate with Engineering, R&D, Product Management, and Operations
  • Assist with piloting, product validation, and technical training as needed
Skill Requirements:
  • Technical problem-solving mindset
  • Ownership, accountability, and strong communication skills
  • Ability to work in a global team environment
Benefits:
Aquatech offers a comprehensive benefits package, including paid time off, company-paid holidays, and a 401K plan (all benefits are based on eligibility)
Essential Functions:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above and below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
Physical Job Demands:
Exerting up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, limited walking and standing.
  • Bachelor's degree in Chemical, Environmental, or Mechanical Engineering
  • 3-5 years applying membrane systems in industrial or municipal water processes, including system selection, sizing, and integration
  • Process engineering experience interpreting water analyses to support membrane selection and operating conditions
  • Experience with membrane sizing tools (ROSA, WAVE, IMSDesign, etc.)
  • Ability to prepare engineering documentation (PFDs, P&IDs, equipment lists)
  • Excellent communication and customer-facing skills
  • English required; Spanish, Portuguese, are a plus
  • Ability to travel up to ~20% with a valid passport.

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