JOB DESCRIPTION pThe Commissioning Engineer is responsible for performing commissioning and start-up for use of Ovivo proprietary Ultrapure Water (UPW) plants equipment. He/she will be responsible for starting-up equipment in the plant to reach the final UPW quality specification. /ppThe company is based in Witterswil, Solothurn (Basel Area), Switzerland. The role is based directly on customer site and requires (100%) international travelling. /ppbHow You’ll Make an Impact: /b /plipCollaborate closely with Project Managers and Construction Managers to track progress against the approved project schedule and commissioning milestones. /p /lilipIntroduce water into the ultrapure water (UPW) treatment system and verify mechanical installation integrity through pressure testing. /p /lilipLoad and commission process media and equipment, including but not limited to ion exchange resins, reverse osmosis and ultrafiltration membranes, and UV systems. /p /lilipPerform system flushing and conditioning activities to achieve final UPW quality specifications. /p /lilipManage and monitor wastewater generated during commissioning, coordinating with relevant internal and external stakeholders to ensure safe, compliant, and efficient operation. /p /lilipParticipate in coordination, progress, and technical meetings with customer representatives as required. /p /lilipExecute Installation Qualification (IQ), Operational Qualification (OQ), and Functional Acceptance Testing (FAT) in accordance with project and quality requirements. /p /lilipProvide comprehensive plant training to customers, covering process fundamentals, operational procedures, and best practices. /p /lilipComplete final plant certification and support formal handover to the end customer. /p /lilipPrepare and maintain detailed commissioning documentation, including test results, deviations, root causes, and corrective actions. /p /lilipDiagnose, troubleshoot, and resolve technical issues encountered during system start-up and commissioning. /p /lilipEnsure strict adherence to site Health Safety regulations and safe working practices at all times. /p /lipbQualifications: /b /plipTechnical graduate education (bachelor’s degree or master’s degree) in Chemical Engineering, Mechanical Engineering, or a closely related technical discipline. /p /lilipStrong understanding of continuous process systems, ideally within gas, water, pharmaceutical, or other regulated industrial environments. /p /lilipProven hands-on experience in commissioning, start-up, operation, maintenance, or technical service roles. /p /lilipDemonstrated ability to troubleshoot complex systems, supported by strong analytical thinking and structured problem-solving skills. /p /lilipAbility to effectively prioritise a high-volume workload while remaining flexible and responsive to rapidly changing site conditions. /p /lilipExcellent interpersonal and intercultural skills, with a proven ability to work collaboratively in multidisciplinary and international teams. /p /lilipProactive and self-driven approach, with the confidence and sound judgement to make independent technical decisions when required. /p /lilipClear and professional communication skills; able to represent the company on-site and serve as a trusted interface with customers. /p /lilipFluent in English (working language); proficiency in German and/or French is a strong advantage. /p /lilipSwiss or EU citizenship, or possession of a valid Swiss work permit. /p /lipbAbout Ecolab: /b /ppAt Ecolab, we prioritize our talent-first philosophy by creating the most capable and diverse team to excel at our nearly three million customer sites. Building on a century of innovation, our 48,000 associates help deliver comprehensive science-based solutions, data-driven insights and world-class service to advance food safety, maintain clean and safe environments, and optimize water and energy use, and improve operational efficiencies and sustainability for customers in the food, healthcare, life sciences, hospitality and industrial markets in more than 170 countries around the world. Our solutions not only enhance operational efficiency but also contribute to sustainability and public health, making a positive impact on the world. We are committed to eliminating unnecessary complexities and embracing a beginner's mindset, continuously seeking new perspectives and innovative solutions to stay ahead in a rapidly changing world. /ppApply today and join one of the most ethical companies with over a hundred years of history. /ppbJoin Ecolab and help us protect what’s vital. /b /pp#li-eu /pbr/pbOur Commitment to a Culture of Inclusion Belonging /bbr/Ecolab is committed to fair and equal treatment of associates and applicants and furthering the principles of Equal Opportunity to Employment. We will recruit, hire, promote, transfer and provide opportunities for advancement based on individual qualifications and job performance in all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement. Ecolab will not discriminate against any associate or applicant for employment because of race, religion, color, creed, national origin,citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, or disability. /p