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…
What they ask for
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 · preferred
Initial exposure to LCA, PCF, carbon accounting, or sustainability certification is an advantage · preferred
Good understanding of mass and energy balances as well as thermodynamic relationships
Confident use of Excel
More details and full description
Skills mentioned
Excel
Work eligibility
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Germany · EU · Guidance only, not legal advice. Check official sources for your situation.
Full description
Short Description
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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Your tasks
• 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
Your profile
• 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.
Why us?
• 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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At Flix, we offer a dynamic work environment with competitive pay, strong growth opportunities, and a tech-driven approach to making travel more accessible, sustainable, and affordable.
Strong integration and systems architecture knowledge, including REST APIs, OAuth 2.0, webhooks, SFTP, middleware, data flows and event-driven architectures across complex enterprise environments.
Experience with cloud architecture and AI & automation technologies is critical, including areas such as Claude/GenAI deployment, MCPs, n8n and Rovo Agents, alongside strong Jira project-management capabilities.
Fluency in English. Certifications in solution/enterprise architecture, project management, agile or automation (e.g. TOGAF, PMP, SAFe, Scrum, Six Sigma, n8n) are a plus. · preferred
Degree not mentionedInternshipRemoteTraining provided
Worauf du dich freuen kannst - unsere Benefits
Agiles Arbeiten: Du weißt, dass Scrum in der Softwareentwicklung nichts mit Rugby zu tun hat und hast idealerweise bereits in einem agilen Setup gearbeitet oder kennst die Grundprinzipien. · preferred
Spannende Projekte: In praxisnahen Projekten wendest du dein Wissen an, bringst eigene Ideen ein und sammelst wertvolle Erfahrungen für deinen Einstieg in die IT-Beratung.
Flexibilität: Gestalte deinen Arbeitsalltag mit Homeoffice und flexiblen Arbeitszeiten individuell nach deinen Bedürfnissen. Für den persönlichen Austausch und unser Miteinander treffen wir uns einmal pro Woche vor Ort.
Weiterentwicklung: Praxisnahe Trainings, persönliche Begleitung durch erfahrene Coaches und regelmäßiges Feedback fördern deine fachliche und persönliche Entwicklung.
Du hast Erfahrung in der Konzeption und Umsetzung von REST-APIs sowie der Integration verteilter Systeme und kennst moderne Architekturansätze wie Microservices, Event-Driven Architectures und Domain-Driven Design.
Du verfügst über praktische Erfahrung mit relationalen und/oder NoSQL-Datenbanken.
Du bist mit Container-Technologien, Kubernetes sowie CI/CD-Prozessen und Git-basierten Entwicklungsworkflows vertraut genauso wie mit Cloud-Plattformen wie Azure, AWS oder Google Cloud.
Du besitzt ein gutes Verständnis für Softwarequalität, Testautomatisierung und Security-by-Design.
