Vacancy: Experienced Process Engineer – Sustainable Wastewater SolutionsLocation: MechelenEmployment Type: Full-timeReports To: Engineering ManagerAbout InOpSysInOpSys NV provides innovative and sustainable on-site treatment solutions for industrial side streams and wastewater. Our mission is to avoid transportation and incineration of aqueous and solvent-based waste streams by implementing modular, mobile, and circular technologies. We enable our clients, primarily in the pharmaceutical and chemical industries, to recover valuable resources and close the water loop.Since our founding in 2015, we have grown into a dynamic team driving circular innovation across Europe. In 2024, InOpSys became part of the Indaver / Katoen Natie Group, accelerating our international expansion and technological reach. Learn more at www.inopsys.euYour RoleAs an Experienced Process Engineer, you play a pivotal role in designing advanced modular treatment systems for challenging industrial wastewater. You will focus on the engineering, functional analysis, and safety review of processes involving:Sand filtrationIon exchange (IX)Ultrafiltration (UF)Reverse osmosis (RO)Ozonation(Heavy) metal recovery/removalActive Pharmaceutical Ingredient (API) removalYou will translate complex treatment goals into clear and executable designs, bridging concept and reality from PFD to commissioning.Key ResponsibilitiesDesign and development of PFDs and P&IDs for water and solvent treatment systemsDraft and maintain detailed process descriptions, mass and energy balancesLead Functional Analyses (FA) and support automation specificationConduct and participate in HAZOP sessions and risk assessmentsDefine technical specifications for key components (e.g., pumps, valves, instruments)Provide input for procurement, equipment selection, and contractor packagesWork closely with project teams from design through commissioningYour ProfileMaster’s degree in Chemical Engineering, Process Technology, or equivalentMinimum 5 years of experience in process design, preferably in water or chemical treatmentProven experience with designing complex installations using technologies such as RO, IX, UF, and ozonationKnowledge of HAZOP methodology and functional safetyProficient in engineering tools such as AutoCAD Plant P&ID, Aspen, or equivalentStrong analytical and communication skillsFluent in English What We OfferA challenging and impactful role in a mission-driven and expanding companyA passionate team in an open, entrepreneurial cultureThe opportunity to develop sustainable solutions for major industrial playersHybrid and flexible working arrangementsA competitive salary with attractive benefitsPersonal development through ongoing training and growth opportunitiesThe chance to help build a European leader in circular wastewater managementJoin UsDo you see yourself in this role? Let’s talk!