Senior Process Engineer
Aerleum
Job Summary
As a Senior Process Engineer, you will lead the design, development, and optimization of our systems, including reactor engineering and associated thermal and chemical processes. You will play a key technical role in scaling our technology from the laboratory to industrial scale, ensuring high performance, safety, and cost-effectiveness.
You will supervise junior engineers, coordinate cross-functional activities with internal teams and external stakeholders, and act as a technical advisor to the CTO and leadership team.
Main Responsibilities
-
Process design and technical leadership 🧠
-
Lead the modelling and simulation of complex chemical and thermal processes using ASPEN and other process design tools.
-
Define the architecture and scaling strategy of core systems: reactors, heat exchangers, pumps, compressors, etc.
-
Conduct advanced thermodynamic analyses to improve energy efficiency and robustness of the process.
-
Supervise and mentor junior engineers and interns within the process team.
-
-
Industrial scale-up & pilot oversight 🏭
-
Define process requirements and operating conditions for pilot and industrial systems.
-
Oversee the design, construction, and commissioning of lab and industrial pilots.
-
Ensure compliance with process safety, environmental, and regulatory standards.
-
Interface with EPC contractors, equipment suppliers, and external engineering firms.
-
-
Innovation & strategic process improvement ⚙️
-
Lead process innovation initiatives to reduce CAPEX/OPEX and improve system performance.
-
Define testing protocols and validation strategies for new process developments.
-
Analyze performance data from pilots and tests to drive iterative process improvements.
-
Support strategic decisions regarding process design choices and industrial partnerships.
-
Profile
-
Master’s or PhD in Process Engineering, Chemical Engineering, or a related field.
-
Minimum 5 years of experience in industrial process design, scale-up, and operation, ideally in energy, thermal systems, chemical processes, or CO₂ utilization.
-
Proven expertise in process modelling and simulation, particularly with ASPEN or equivalent tools.
-
Strong knowledge of heat and mass transfer, reactor engineering, and thermodynamic analysis.
-
Demonstrated experience contributing to or managing pilot plant design, construction, and operation.
-
Ability to lead technical workstreams independently and collaborate cross-functionally with R&D, mechanical engineering, operations, and external partners.
Additional Assets 💡
-
Exposure to startup or first-of-a-kind industrial projects.
-
Experience in carbon capture, power-to-X, or fuel synthesis technologies.
-
Experience in startup or scale-up environments.
-
Familiarity with process safety and regulatory compliance for chemical processes.
Conditions
-
📄 Contract: Full-time (”CDI”)
-
🏢 Location: Campus Air Liquide, Les Loges-en-Josas (France)
-
💰Compensation: competitive salary, starting from €65K gross annual, adjusted according to experience + bonus.
-
💙 Benefits: we offer flexible hours and leave, remote work options, growth opportunities, continuous training, regular team-building events, as well as coverage for health insurance, transportation, and sports activities.
Why Join Us?
By joining Aerleum, you will directly contribute to a technological solution to address the climate emergency 🌱. You will evolve in a stimulating work environment, with a dynamic and committed team, and have a real impact on building a carbon-neutral future 🌍.
Diversity and Inclusion
We strongly encourage applications from all backgrounds and firmly believe that diversity is essential to address climate challenges.