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(Senior) Sustainability Project Manager - Regulated Markets

Iscc System Gmbh

Köln permanent

Posted: April 20, 2026

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Quick Summary

As a Sustainability Project Manager at Meo Carbon Solutions (MCS), you will work on key topics of the energy transition, including renewable hydrogen, renewable fuels of non-biological origin (RFNBOs), recycled carbon fuels (RCFs) and low-carbon fuels.

Job Description

Your tasks:
As Sustainability Project Manager at Meo Carbon Solutions (MCS), you will work on key topics of the energy transition, including renewable hydrogen, renewable fuels of non-biological origin (RFNBOs), recycled carbon fuels (RCFs) and low-carbon fuels. We are looking for someone with a background in chemistry, chemical engineering or a related natural science who wants to combine technical expertise, project management and client advisory work. In this role, you will apply your knowledge of chemical processes, fuel value chains, greenhouse gas (GHG) accounting, sustainability criteria and certification while helping shape practical solutions in the regulated European market.

Your main duties will be:
• Consult on projects with a focus on renewable fuels of non-biological origin (RFNBOs), recycled carbon fuels (RCFs) and the further development of related methodologies 
• Take responsibility for the full project lifecycle, including project planning, stakeholder management, documentation, controlling, and participation in client meetings and project workshops 
• Partly lead and support the further development of the ISCC EU certification scheme for RFNBOs and RCFs 
• Partly lead and support the integration of further regulatory developments under ISCC EU, such as low-carbon fuels, including the development of new system documents and audit procedures, where applicable 
• Serve as the primary point of contact within the team for chemical and technical expertise related to hydrogen and sustainable fuel processing 
• Implement concepts and processes together with MCS customers and support their practical application 
• Support the further development of the MCS service portfolio, manage proposals and tenders, and explore new markets and service offerings 
• Represent MCS at national and international events and conferences, give company presentations, and build your own network of customers and industry contacts 
• Develop customized GHG calculations for entire supply chains, applying different tools and standards to ensure consistent and technically sound results 
• Carry out data research, analysis and evaluations for specific customer requests, and prepare reports and market studies


Your profile:
• M.Sc. or PhD in chemistry, chemical engineering, environmental engineering, natural sciences or a related field 
• At least 4 years of professional experience in industry or academia
• At least 2 years of professional experience in project management 
• At least 1 year of professional experience in greenhouse gas calculations and/or life cycle assessment (LCA) after graduation 
• Strong interest in hydrogen, sustainable fuels, chemical processes and regulatory developments 
• Excellent English language skills (C2 level, written and spoken) 
• Excellent organizational skills 
• Excellent communication skills 
• Excellent research and analytical capabilities 
• Very good ability to explain complex topics and transfer knowledge clearly 
• Very good ability to design, shape and improve processes 
• Service-oriented mindset

Optional / considered an advantage• Familiarity with net-zero and climate neutrality frameworks
• Exposure to certification standards and sustainability schemes  
• Familiarity with carbon footprint calculations and interpretation of results  
• Experience with feasibility studies or technical assessments


Why us?:
We are an international and diverse team of passionate and experienced experts, joining forces for a sustainable future! We believe that our team is our core asset and we support our people as best we can. 
 
 To help you build your future and thrive with us, we offer:
 
 Great Team Environment
• Various team events throughout the year (Celebrating Diversity, Summer Team Event, Christmas Party)
• Close collaboration with our sister companies Meo Carbon Solutions GmbH, GRAS Global Risk Assessment Services, 4C Services, ClimatePal, and TYC
• The opportunity to work independently and shape processes

Individual learning and development plan
• Professional onboarding to help you have an ideal start with us
• Frequently feedback sessions to ensure a high quality of communication and mutual reflection 
• Many free language classes
• Access to several technical specific as well as training courses
• We promote from within! 

Work-Life Balance
• Hybrid set-up
• 4 weeks remote work at a place of choice (after probation)
• Flexible working hours and trust based working time
• 30 vacation days and 3 additional vacation days (Christmas Eve, New Year’s Eve, Carnival Monday)
• Sabbatical options

Financial benefits 
• A generous pension scheme (bAV) in line with our sustainability values
• JobTicket/Deutschlandticket
• Annual bonus scheme based on performance

Wellness Programs
• Subsidized Urban Sports Club
• Health weeks promoting healthy habits in personal and professional life


Ready to join our team?:
Then we would be happy to hear from you soon! Please apply via the button below with a meaningful cover letter, CV and any relevant certificates.  We are looking forward to your application and hope to welcome you in our team soon!  We are a company with equal opportunities for everyone and encourage applications from all suitably qualified candidates regardless of age, race, gender or any other criteria that is not a professional qualification for an open position.

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