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Operation, Maintenance & Commissioning Engineer
Italien, CataniaItalien, Catania

Operation, Maintenance & Commissioning Engineer

Erstellungsdatum 12.11.2026

What is the Opportunity?

At Ecolab Ultra Pure Water+, we offer you the opportunity to expand your skills and professional experience while collaborating with worldwide experts in water treatment. We are seeking motivated individuals to join our Operation & Maintenance (O&M) team for Ultra-Pure Water (UPW) treatment systems.

Joining Ecolab means being part of a global team of innovative and passionate professionals who are committed to preserving water, our planet's most critical resource. It also means combining our efforts and talents towards a more sustainable future - together.

As an Operation, Maintenance and Commissioning Engineer, you will undergo intensive training to operate and optimize UPW systems. You will lead and guide operators, work with a digital twin software for simulation and quality modelling, and later participate in Commissioning projects where you will be responsible for starting-up equipment to reach final UPW quality specifications. In addition, you will support the establishment of local O&M teams on new sites, facilitating knowledge transfer and enabling the successful deployment of sustainable site operations.

The role is based directly on customer site and requires (100%) international travelling.

What is the role?
  • Learn and operate UPW systems, from basic maintenance tasks to advanced troubleshooting of critical failures.
  • Monitor plant performance and support process optimization initiatives to ensure compliance with operational and quality targets.
  • Lead and support a team of operators in daily operations.
  • Utilize and maintain Computerized Maintenance Management System CMMS systems for work order management, maintenance planning, asset history tracking and reporting.
  • Participate in root cause analysis (RCA) investigations and contribute to continuous improvement initiatives.
  • Collaborate with the internal tools for quality modelling and performance analysis.
  • Support commissioning activities of new equipment, upgrades and plant modifications, including pressure testing and cold / hot commissioning.
  • Load media and equipment (includes filtration, activated carbon, ion exchange, reverse osmosis, gas transfer membrane, electro-deionization, ultrafiltration, UV treatment, etc).
  • Support hook-up activities in distribution loops.
  • Adherence to safe working requirements and site Health & Safety regulations at all times.


Does this sound like you?
  • Technical graduate education (bachelor's degree or master's degree) in Chemical Engineering, Mechanical Engineering, or related fields.
  • Good knowledge in continuous process (Gas, Water, Pharma, or similar fields).
  • A first experience in Commissioning, Start-up, Operation, Maintenance, Service, or similar.
  • Ability to troubleshoot complex systems and good problem-solving skills.
  • Ability to prioritise a busy workload and flexibility to adjust to rapid changes in work conditions.
  • Strong interpersonal & intercultural skills and ability to work well with others.
  • Capacity to take decisions and proactivity.
  • Good communication skills: you will be the image of the company on site, in front of the customer.
  • Working language is English (fluent), German and French are a plus.


Don't meet every single requirement? If you carry a strong sense of ownership and teamwork in everything you do, we'd like to hear from you any way.

Why work at Ecolab?
  • An interesting and varied job in an exciting and innovative organization operating worldwide!
  • Flexible and self-determined work attitude, outstanding team spirit and freedom in your area of expertise.
  • Ecolab will offer you a technical training in the position related field.
  • The possibility to develop your personal skills and to earn profound technical experience.
  • At Ecolab we are committed to providing working environments where everyone is included and treated fairly and with respect.


Dive in - Apply Today! Let's change the future of water together.

Compensation Range:
The annual pay range for this position is €40.000 - €50.000 EUR.

Benefits:

Ecolab strives to provide comprehensive and market-competitive benefits to meet the needs of our associates and their families. Click here to see our benefits.

Collective Agreement Information (Italy):

In Italy, Ecolab applies the Metalmeccanico Collective Labour Agreement.

Wir bemühen uns, verlässliche Informationen über jedes Stellenangebot zu haben. Bitte lass uns wissen, wenn etwas nicht stimmt oder du technische Probleme gefunden hast.

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