Membrane Engineer Intern/Master Thesis at Ilion Water Technologies WaterTech Startup, Paris, France

European Membrane Society; Paris; Hybrid; EUR 10,000 - 15,000; Full time

Benefits offered by this job

On-site internship

6 months duration

Job summary

Ilion Water Technologies WaterTech Startup in Paris, France is seeking a Membrane Engineer Intern to advance a next‑gen, electro‑driven membrane process within the R&D team. You will perform hands‑on lab work, draft experimental protocols, log data, and collaborate with experts to optimize performance.

The six‑month, on‑site internship offers direct exposure to cutting‑edge desalination tech, membrane materials, safety practices, and clear English communication within a small, ambitious startup.

Qualifications

• BAC+2 to BAC+5 student, active status for the entire internship.
• Hands-on lab experience with safety and adherence to good laboratory practices.
• Practical experience in membrane filtration and separation for water treatment.
• English: Professional working proficiency (required).
• Excellent interpersonal skills—teamwork, adaptability, and proactive learning.

Responsibilities

• Membrane preparation and characterization; optimize membrane.
• Analyze results and contribute to process improvement and troubleshooting.
• Draft experimental protocols, SOPs, data logs, and technical reports.

Skills

Lab safety

Membrane filtration knowledge

English proficiency

Laboratory techniques

Education

BAC+2 to BAC+5 in materials science/chemistry

Job description

Membrane Engineer Intern/Master Thesis at Ilion Water Technologies WaterTech Startup, Paris, France

We announce aMembrane Engineer Intern or Master Thesis position at Ilion Water Technologies WaterTech Startup in Paris (France).

Ilion Water Technologiesis developing cutting-edge desalination and water treatment technologies rooted in fundamental science. This work combines nanofluidics, electro-driven processes, and advanced membrane engineering to solve the water industry's urgent operational, cost, and environmental challenges.

Job Description

The Membrane Engineer Intern will be part of the R&D Team playing a key role in advancing a next-gen, electro-driven membrane process built on Ilion Water Technologies proprietary technology. In this internship, the role will involve hands-on lab work, deep collaboration with R&D experts, and exposure to cutting-edge water-tech. More specifically, the role will include the following tasks:

• Membrane preparation and characterization; optimize membrane
• Analyze results and contribute to process improvement and troubleshooting
• Draft experimental protocols, SOPs, data logs, and technical

Candidate Requirements

• BAC+2 to BAC+5 student in materials science, technical chemistry, or organic/polymer chemistry, with active student status for the entire
• Hands-on laboratory experience with strong safety awareness and adherence to good laboratory
• Practical experience in membrane filtration and separation for water treatment is a strong
• English: Professional working proficiency (required).
• Excellent interpersonal skills- teamwork, adaptability, and a proactive learning

Job Offer

• Full time Internship on site - 6 months
• A stimulating role in a mission-driven startup where your ideas have a realimpact
• High-quality lab and working
• Supportive, agile and talented R&D
• Strong growth & learning

Start Date: March/April 2026