(Senior) Sustainability Manager – eFuels / RFNBOs

ISCC System GmbH

  • Köln
  • Veröffentlicht am: 14. November 2024
Jobbeschreibung

ISCC – International Sustainability and Carbon Certification is a globally applicable and leading certification system designed to enhance traceable, sustainable, deforestation-free, and climate-friendly supply chains. ISCC certifications are widely recognised and cover sustainable agricultural biomass, biogenic wastes and residues, non-biological renewable materials and recycled carbon-based materials. The development and implementation of different certification standards is ISCC's tool to promote its mission to mitigate climate change and bring more traceability into global markets and supply chains. To date, ISCC holds more than 11,300 valid certificates in 129 countries.

Our close-knit team of dedicated, supportive, and highly motivated professionals at ISCC come from a variety of backgrounds, which contributes to the diverse and dynamic work environment. We all work together with a shared enthusiasm for sustainability and a common objective. We look forward to having you join our team at the ISCC headquarters in Cologne if you think we are a good fit for you.


ISCC – International Sustainability and Carbon Certification is one of the leading certification systems for sustainability, traceability and the reduction of greenhouse gas emissions. If you are passionate about sustainability and would like to join our highly motivated and diverse teams to make a difference, we are looking forward to welcoming you as (Senior) Sustainability Manager in our team at the ISCC head office in Cologne.

Your main duties will be:

  • Lead the development and maintain the certifications solutions for eFuels/RFNBOs across the ISCC systems (e.g. ISCC EU RFNBOs scheme)
  • Monitor and evaluate legislations relevant for eFuels/RFNBOs, including but not limited to EU RED II/III, RFNBOs Commission Delegated Regulation, Low-Carbon Gases Regulations, FuelEU Maritime, ReFuelEU Aviation and other non-EU legislations (e.g. ICAO CORSIA, UK RFNBOs)
  • Engage with current and potential ISCC System Users and ISCC-cooperating Certification Bodies
  • Strategically establish networks in new markets
  • Represent ISCC in relevant for a (conferences, events) and actively promote ISCC certification solutions for these new markets
  • Lead ISCC stakeholder activities for these new markets (e.g. ISCC Technical Stakeholder Committee on RFNBOs)
  • Support conducting relevant trainings (e.g. ISCC RFNBOs Training)
  • Carry out benchmarking as well as develop and manage pilot projects
  • Provide technical support/consultancy to (potential) system users in a timely and professional manner



  • University degree in energy management, environmental engineering, chemical engineer, economics, natural sciences or other related fields
  • At least 3 years professional experience in the sustainable fuels sector, with focus on production and related supply chains
  • Preferred: first experience with eFuels (e.g. production, supply chain, RFNBOs, electricity market), first experience with sustainability certification
  • Proven professional experience in high-level customer support, or similar
  • Service-oriented thinking and excellent communication and networking capability, especially in international environments
  • Excellent language skills in English (both written and spoken), good German, additional language skills will be of advantage
  • Very strong presentation skills as well as the ability to explain complex issues in simple terms and to prepare professional presentations according to target group
  • General IT proficiency and very good working knowledge of MS Office
  • Excellent problem-solving abilities combined with an independent working style pragmatic and hands-on attitude
  • Willingness to contribute to the continuous improvement process and to drive change


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 ISCC System GmbH, GRAS Global Risk Assessment Services, 4C Services and ClimatePal, giving you even more development opportunities
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
  • The opportunity to work independently and shape processes
  • 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
  • Active Break scheme with weekly Yoga sessions
  • Health weeks promoting healthy habits in personal and professional life

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