Senior Process Engineer

Main responsibility: Support capital projects from concept through commissioning:

• Design, calculate and optimize processes in the fields of ultrapure water and wastewater treatment, including:
  • Filtration, activated carbon filters, advanced oxidation processes
  • Reverse osmosis, ion exchange, EDI, UF/MF
  • Degasification, UV oxidation, TOC reduction
  • Chemical treatment, biological treatment, ZLD systems
• Develop and review process flow diagrams (PFDs), piping and instrumentation diagrams (P&IDs), mass balances, and equipment specifications for major equipment items
• Generate technical specifications for packaged units, process equipment
• Participate in design reviews and clarifications at the early stages of process and basic engineering works
• Generate process description and logic documents for complex water and wastewater treatment systems
• Participate in HAZOP, FMEA and safety review or assessment
• Work closely within the other engineering department and support project managers on project activities
• Prepare documentation for submission and support project team on plant start-up, performance test, optimization and hand-over.
• Support project team on commissioning activities, performance test, optimization, troubleshooting and hand-over
• Provide training to the end customer operation and maintenance teams

Other responsibilities:

• Provide technical support to the Ecolab operation and maintenance teams (training, guidance)
• Troubleshoot process upsets and contamination events
• Monitor system performance and water quality parameters (e.g., resistivity, TOC, silica, metals)
• Conduct audit of a running system and provide audit report
• Work closely with the innovation teams to develop new processes and digital tools

Qualifications:

• Master’s degree or engineering school graduate in Chemical Engineering, Environmental Engineering, Mechanical Engineering, or related field
• Bachelor’s degree with strong experience in UPW and /or wastewater treatment for semiconductor industry will be considered
• Require minimum 5 years experience with good knowledge in process control, water and waste water treatment systems.
• Experience in regulated or high‑purity industries (semiconductor, pharmaceuticals, biotech, energy…)
• Strong understanding of water chemistry and treatment processes
• Ability to interpret process data and laboratory results
• Analytical thinking & problem-solving skills
• Ability to work independently and in cross‑functional teams
• Self-initiative and creativity, flexible and able to work under pressure
• Strong communication and technical documentation abilities for collaboration with internal international departments, suppliers and customers
• Mobility and willingness to travel worldwide, including extended trips
• English proficiency for daily business; German, French or other languages are an added value
• Swiss or EU citizenship or a C Swiss resident permit