Location: Warsaw, Poland
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 wastewater treatment technologies, sludge thickening and dewatering, and integrated sludge management solutions.
With production facilities, engineering centers, and sales offices across Europe and the United States, Esmil offers a truly international working environment. Joining our team means working on global projects, collaborating with experts from different countries, and developing your career within a dynamic and growing international organization.
Who We Are Looking For
We are seeking a Process Engineer with experience in wastewater treatment and/or sludge management.
We also welcome candidates:
- with operational or service experience who are looking to develop towards design and process engineering roles
- with partial experience (e.g. only sludge dewatering or only biological/physico-chemical processes)
Responsibilities
- Selection and sizing of equipment for wastewater and sludge treatment systems
- Analysis of process data and troubleshooting of technological issues
- Participation in commissioning of installations
- Technical support for sales and project execution teams
- Conducting laboratory and pilot tests
- Site visits, process audits, and optimization of plant performance
Key Requirements
- Degree in Engineering (Environmental, Process, Mechanical or related fields)
- Practical knowledge of wastewater treatment and/or sludge dewatering processes
- Understanding of:
- mass and load balances (BOD, COD, TSS, N, P)
- sludge thickening and dewatering (screw presses, belt presses, centrifuges)
- basic hydraulics and piping systems
- English proficiency (min. B2) – daily work in an international environment
- Strong analytical and problem-solving skills
- Willingness to travel (including international travel)
- Ability to work independently with good organizational skills
Nice to Have
- Experience in process design (process calculations, P&ID)
- Knowledge of sludge dewatering equipment and operation
- Experience at industrial or municipal treatment plants
- Familiarity with process modeling or simulation tools
- International experience
What We Offer
- Salary: competitive and based on experience and qualifications
- Work on complex engineering projects in industrial and municipal sectors
- Participation in international projects and cooperation with global teams
- Real impact on technological solutions and product development
- Company-funded training:
- technical (wastewater and sludge treatment processes)
- English language courses
- Clear career development path towards process expert or project leadership roles within an international environment
To apply, please send your CV to prokuska@esmil.eu with ‘Process Engineer (Wastewater Treatment & Sludge Dewatering) – CV’ in the subject line.




