{"id":1072402,"url":"https://alion.io/job/treatech-process-engineer","title":"Process Engineer","company":{"id":693387,"name":"TreaTech","domain":"trea-tech.com","url":"https://alion.io/company/trea-tech","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Join","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Switzerland"],"countries":["CH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":174000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2945},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-11T09:04:24Z","employer_posted_date":"2026-08-11","last_verified_at":"2026-09-27T23:45:34Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":47},"description":"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.\nAs 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.\nTasks\nReporting to the Chief Project Officer, your mission at TreaTech will be to lead process engineering activities related to the delivery of our next units.\nYour main responsibilities will include:\nContribute to process design from concept study through detailed engineering, including preparation of PFDs, P&IDs, functional analyses, mass and energy balances, equipment layout, etc.\nEnsure overall process consistency in close collaboration with the Industrialization and R&D teams, incorporating lessons learned from our pilot plant.\nPrepare technical equipment specifications, issue RFQs and manage technical follow-up with suppliers.\nActively contribute to technical decisions regarding critical equipment such as high-pressure pumps, heat exchangers, reactors and feed systems.\nContribute to process safety studies including risk assessments, HAZOP, ATEX studies and safety philosophy.\nFollow equipment fabrication, installation and assembly activities.\nParticipate in FAT, SAT and commissioning activities.\nPrepare operating procedures (SOPs) and process validation reports.\nThis position involves occasional travel within Switzerland and abroad.\nRequirements\nREQUIRED SKILLS AND EXPERIENCE :\nEngineering degree or PhD in Process Engineering, Chemical Engineering or Mechanical Engineering.\n\n5 to 10 years of experience in process engineering within the chemical, energy or environmental sectors.\n\nSignificant experience in:\n\nIndustrial process design, including PFDs, P&IDs and mass & energy balances.\n\nEquipment sizing and specification.\n\nIndustrial or pilot-scale project execution.\n\nGood understanding of:\n\nHigh-pressure / high-temperature processes.\n\nPressure equipment.\n\nCorrosion, materials selection and mechanical constraints.\n\nKnowledge of:\n\nProcess safety analyses such as HAZOP and ATEX.\n\nCommissioning and start-up of industrial units.\n\nAbility to interact effectively with:\n\nEquipment suppliers.\n\nEngineering partners.\n\nMultidisciplinary internal teams.\n\nPERSONNAL ATTRIBUTES:\nPragmatic and hands-on mindset.\nStrong analytical and problem-solving skills.\nAutonomous, proactive and accountable.\nStrong communication skills and ability to work across multiple interfaces.\nStrong interest in innovative technologies and industrial scale-up.\nEDUCATION\nEngineering degree in Process Engineering, Chemical Engineering or Mechanical Engineering.\nWorking language: French, with very good professional English skills.\nLANGUAGES\nFrench: Fluent.\nEnglish: Good professional proficiency, minimum B2 level.\nBenefits\nTreaTech offers:\nA stimulating and inspiring working environment where innovation plays a central role in addressing major future challenges related to waste recovery and renewable energy production.\nA position where your work will have a direct and significant impact on the development of both the technology and the company.\nA positive company culture built around dynamism, flexibility and teamwork.","description_format":"text","description_chars":3495,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Switzerland","iso":"CH","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Biotechnology","Energy & Utilities"],"lifecycle":[{"event":"open","at":"2026-09-20T03:19:11Z"}],"liveness":{"score":22,"band":"cold","label":"Long shot","p_open":1,"p_active":0.494,"p_room":0.45,"age_days":46,"expected_fill_days":24,"reasons":["conf:3","win:tail"],"computed_at":"2026-09-27T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/treatech-process-engineer","json_url":"https://alion.io/job/treatech-process-engineer.json","meta":{"generated_at":"2026-09-28T04:13:35Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2518,"day_limit":5000,"remaining_today":2482,"minute_limit":60,"resets_at":"2026-09-29T00:00:00Z"}}}