Location: Warsaw, Poland / London, UK
About the Company
Esmil Group is an international engineering and manufacturing group with over 30 years of experience in designing and delivering advanced wastewater treatment and resource recovery solutions for industrial and municipal sectors.
We specialize in advanced membrane technologies for challenging industrial wastewater applications.
With production facilities, engineering centers, and sales offices across Europe and the United States, Esmil provides a truly international working environment. Joining our team means participating in global projects, working with international experts, and building a long-term career in a dynamic and growing organization.
Who We Are Looking For
We are looking for an engineer with experience in membrane technologies.
We also welcome candidates:
- with experience in water treatment (RO/NF/UF) who are interested in developing into more complex wastewater treatment processes
- with field service experience who want to grow into engineering and process roles
Responsibilities
- Selection of technologies and equipment for membrane-based treatment systems
- Conducting laboratory and pilot testing, analysis of results
- Participation in R&D activities
- Commissioning and start-up of installations
- Monitoring system performance and providing technical support
- Troubleshooting and solving process-related issues
- Site visits and business travel (Poland and internationally)
Key Requirements
- Knowledge of membrane technologies (mandatory)
- Degree in Engineering (Mechanical, Environmental or related fields)
- English proficiency (min. B2) – daily communication in an international environment
- Basic understanding of:
- hydraulics
- pumps and piping systems
- instrumentation and control systems
- Strong analytical and problem-solving skills
- Willingness to travel (including international travel)
Nice to Have
- Experience in wastewater treatment
- Experience in industrial equipment service
- Familiarity with data analysis tools
- International experience
- Knowledge of additional European languages
What We Offer
- Competitive salary based on experience and qualifications
- Work on international technological projects
- Clear career development path from field service to engineering / process roles
- Company-funded training:
- technical (membrane systems, wastewater treatment processes)
- English language courses
- Participation in R&D projects and industrial implementations
To apply, please send your CV to prokuska@esmil.eu with ‘Membrane Technology Engineer / Field Engineer (Water & Wastewater) – CV’ in the subject line.




