Operation & Maintenance Technician/Engineer – UPW Plant

Ecolab; Witterswil; On-site; CHF 75,000 - 95,000; Full time

Benefits offered by this job

Continuous training

Competitive benefits

Pension plan

25 vacation days + 6 flex days

Job summary

Ovivo Ultra-Pure Water+ by Ecolab is seeking an Operations & Maintenance Technician to join our Marin-Epagnier, Switzerland team. You will perform preventive and corrective maintenance on water treatment equipment, participate in commissioning and start-up activities, and support process optimization while ensuring compliance with safety and quality standards.

The role requires strong troubleshooting skills, CMMS experience, and the ability to work independently within a multidisciplinary team.

Qualifications

• Technical background in mechanical/electrical engineering or industrial maintenance.
• Experience in operations and maintenance in industrial facilities, preferably water/wastewater.
• Ability to interpret technical docs and engineering drawings.

Responsibilities

• Support commissioning, start-up, installation, and modification of new equipment and plant improvements.
• Perform preventive and corrective maintenance on water treatment equipment and ancillary systems.
• Monitor plant performance and support process optimization initiatives.

Skills

Troubleshooting

Maintenance planning

Process control

Instrumentation

CMMS

Engineering drawings

On-call readiness

5S housekeeping

Education

Mechanical Engineering

Electrical Engineering

Industrial Maintenance

Chemical Engineering

Environmental Engineering

Environmental Technology

Tools

CMMS

Job description

At Ovivo Ultra-Pure Water+ by Ecolab, we design, build, and maintain advanced water treatment solutions that support some of the world's most innovative industries. Our technologies help customers achieve operational excellence while advancing sustainability and responsible water management.

We're looking for an Operations & Maintenance Technician to join our team in Marin-Epagnier, Switzerland. If you enjoy hands-on technical work, solving complex challenges, and working with critical industrial systems, this is an opportunity to make a real impact while developing your expertise in a growing and innovative industry.

How You'll Make An Impact

• Support commissioning, start-up, installation, and modification of new equipment, upgrades, and plant improvements.
• Perform routine field rounds, collecting operational and process data while identifying and reporting abnormalities.
• Execute preventive and corrective maintenance activities on water treatment equipment and ancillary systems.
• Monitor plant performance and support process optimization initiatives to achieve operational and quality targets.
• Troubleshoot and diagnose mechanical, electrical, instrumentation, and process-related issues, ensuring timely restoration of operations.
• Perform water quality sampling and field analysis.
• Carry out basic calibration, inspection, and troubleshooting activities on instrumentation and control systems.
• Maintain accurate maintenance records, inspection reports, and operational documentation.
• Utilize CMMS systems for work order management, maintenance planning, asset history tracking, and reporting.
• Participate in Root Cause Analysis (RCA) investigations and continuous improvement initiatives.
• Maintain work areas, workshops, equipment, and storage locations according to 5S principles.
• Ensure compliance with company procedures, environmental regulations, quality requirements, and HSE standards.
• Participate in an on-call support rotation for customer sites when required.

Who We're Looking Fo

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Qualifications & Experience

• Technical qualification or background in Mechanical Engineering, Electrical Engineering, Industrial Maintenance, Chemical Engineering, Environmental Engineering, Environmental Technology, or a related technical discipline.
• Experience in operations and maintenance activities within industrial facilities, preferably in water or wastewater treatment plants.
• Strong troubleshooting and problem-solving skills.
• Ability to interpret technical documentation, procedures, and engineering drawings.
• Familiarity with Computerized Maintenance Management Systems (CMMS).
• Basic knowledge of instrumentation, automation, and process control systems.
• Strong commitment to safety, environmental compliance, and quality standards.
• Excellent organizational skills and attention to detail.
• Ability to work independently and effectively within a multidisciplinary team.
• Positive attitude, flexibility, and willingness to learn and develop new skills.
• Commitment to maintaining high housekeeping standards and promoting a strong 5S culture.
• Readiness to participate in an on-call support rotation.

Working Conditions

• Full-time position based in Marin-Epagnier, Switzerland.
• 8.30 working hours per day, five days per week.
• Mandatory on-site presence: 08:30–12:00 and 13:30–17:00.
• Occasional travel within Switzerland and Europe for training, meetings, reviews, and coordination activities.
• French language proficiency: minimum B2 level.
• English language proficiency: minimum B2 level.
• Valid Category B driving licence.

What We Offer

• An interesting and varied role within a global and innovative organization.
• The opportunity to work with advanced water treatment technologies in a critical manufacturing environment.
• Continuous training and professional development opportunities.
• Exposure to multidisciplinary teams and international projects.
• The opportunity to further develop your technical expertise and gain valuable project management experience.
• Competitive salary and comprehensive benefits package.
• Accident, disability, and pension insurance coverage.
• 24 vacation days plus 6 additional flex days, with the possibility of additional leave.
• A supportive environment that encourages personal growth and long-term career development.

Careers Advancing Ovivo Ultra-Pure Water+ by Ecolab's Water Technology Solutions

Help shape the future of water and technology by joining a team that delivers innovative ultrapure water solutions to industries driving global progress.

At Ovivo Ultra-Pure Water+, your work will contribute to solving complex challenges, advancing sustainability, and protecting one of our planet's most critical resources. You'll collaborate with talented professionals across borders, develop specialized expertise, and build a career that makes a meaningful difference.

Our Commitment to a Culture of Inclusion & Belonging

At Ecolab, we believe that diverse perspectives drive innovation and success. We are committed to creating an inclusive workplace where every associate feels valued, respected, and empowered to contribute their best.

We provide equal employment opportunities to all qualified applicants and associates and make employment decisions based on qualifications, performance, and business needs. Together, we foster a culture where everyone can grow, belong, and thrive.

Join us and help create a cleaner, safer, and more sustainable future through water.

Unser Bekenntnis zu einer Kultur der Inklusion und Zugehörigkeit Ecolab verpflichtet sich zur fairen und gleichen Behandlung von Mitarbeitern und Bewerbern und fördert die Grundsätze der Chancengleichheit in der Beschäftigung. Wir rekrutieren, stellen ein, befördern, versetzen und bieten Aufstiegsmöglichkeiten auf der Grundlage individueller Qualifikationen und Arbeitsleistungen in allen Belangen, die Beschäftigung, Vergütung, Sozialleistungen, Arbeitsbedingungen und Karrierechancen betreffen. Ecolab diskriminiert keine Mitarbeiter oder Bewerber aufgrund von Rasse, Religion, Hautfarbe, Glaubensbekenntnis, nationaler Herkunft, Staatsbürgerschaft, Geschlecht, sexueller Orientierung, Geschlechtsidentität und -ausdruck, genetischen Informationen, Familienstand, Alter oder Behinderung.