Working Student / Intern (m/f/d) Process & Sustainability Engineering

Would you like to actively help shape the energy transition while gaining deep insights into the world of Power-to-X, e-fuels, and sustainability assessments? As a working student or intern, you can support us in the technical and environmental assessment of our processes and plants.
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• Conducting and evaluating process simulations for Power-to-X and e-fuel processes
• Preparing and plausibility-checking mass and energy balances
• Investigating different process configurations and operating cases
• Supporting the creation and further development of Product Carbon Footprints (PCF) and Life Cycle Assessments (LCA)
• Calculating and assessing greenhouse gas emissions, energy consumption, and CO₂ savings
• Supporting ISCC certification and the related technical documentation
• Collecting, structuring, and plausibility-checking process, energy, and emissions data
• Researching regulatory and methodological requirements, particularly for e-fuels and RFNBOs
• Further developing internal calculation methods, models, and templates
• Collaborating with process engineering, technology development, operations, and other specialist departments

• Advanced studies in process engineering, chemical engineering, environmental engineering, energy and environmental technology, or a comparable technical field
• Interest in Power-to-X, e-fuels, process simulation, and sustainability assessment
• Ideally, initial experience with process simulations, e.g. Aspen Plus, Aspen HYSYS, or comparable tools
• Initial exposure to LCA, PCF, carbon accounting, or sustainability certification is an advantage
• Good understanding of mass and energy balances as well as thermodynamic relationships
• Confident use of Excel
• Analytical, structured, and independent way of working
• Very good German and English skills
• The position is based at our Karlsruhe or Frankfurt office and is not a remote role.

• A fast-growing start-up with a clear mission
• Varied and responsible tasks
• Plenty of room for initiative and creative freedom as well as personal and professional development
• Flexible working hours
• Flat hierarchies and an open corporate culture
• Free drinks & snacks

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