Process Engineer

Join TreaTech, a pioneering company in waste treatment and resource recovery, based in Préverenges, Switzerland. Founded in 2015 by engineers from École Polytechnique Fédérale de Lausanne (EPFL), our team is developing a patented catalytic hydrothermal gasification technology that converts organic waste into valuable resources such as renewable gas, clean water and recoverable minerals.

As part of the development of our next unit, we are looking for a Process Engineer who will play a key role in the design, construction and commissioning of this installation.

Tasks

Reporting to the Chief Project Officer, your mission at TreaTech will be to lead process engineering activities related to the delivery of our next units.

Your main responsibilities will include:

• Contribute to process design from concept study through detailed engineering, including preparation of PFDs, P&IDs, functional analyses, mass and energy balances, equipment layout, etc.
• Ensure overall process consistency in close collaboration with the Industrialization and R&D teams, incorporating lessons learned from our pilot plant.
• Prepare technical equipment specifications, issue RFQs and manage technical follow-up with suppliers.
• Actively contribute to technical decisions regarding critical equipment such as high-pressure pumps, heat exchangers, reactors and feed systems.
• Contribute to process safety studies including risk assessments, HAZOP, ATEX studies and safety philosophy.
• Follow equipment fabrication, installation and assembly activities.
• Participate in FAT, SAT and commissioning activities.
• Prepare operating procedures (SOPs) and process validation reports.

This position involves occasional travel within Switzerland and abroad.

Requirements

REQUIRED SKILLS AND EXPERIENCE :

• Engineering degree or PhD in Process Engineering, Chemical Engineering or Mechanical Engineering.

• 5 to 10 years of experience in process engineering within the chemical, energy or environmental sectors.

• Significant experience in:

• Industrial process design, including PFDs, P&IDs and mass & energy balances.

• Equipment sizing and specification.

• Industrial or pilot-scale project execution.

• Good understanding of:

• High-pressure / high-temperature processes.

• Pressure equipment.

• Corrosion, materials selection and mechanical constraints.

• Knowledge of:

• Process safety analyses such as HAZOP and ATEX.

• Commissioning and start-up of industrial units.

• Ability to interact effectively with:

• Equipment suppliers.

• Engineering partners.

• Multidisciplinary internal teams.

PERSONNAL ATTRIBUTES:

• Pragmatic and hands-on mindset.
• Strong analytical and problem-solving skills.
• Autonomous, proactive and accountable.
• Strong communication skills and ability to work across multiple interfaces.
• Strong interest in innovative technologies and industrial scale-up.

EDUCATION

• Engineering degree in Process Engineering, Chemical Engineering or Mechanical Engineering.
• Working language: French, with very good professional English skills.

LANGUAGES

• French: Fluent.
• English: Good professional proficiency, minimum B2 level.

Benefits

TreaTech offers:

• A stimulating and inspiring working environment where innovation plays a central role in addressing major future challenges related to waste recovery and renewable energy production.
• A position where your work will have a direct and significant impact on the development of both the technology and the company.
• A positive company culture built around dynamism, flexibility and teamwork.

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