Jobware GmbH

ISCC System GmbH

Job Description

ISCC – International Sustainability and Carbon Certification is one of the leading certification systems for sustainability, traceability and the reduction of greenhouse gas emissions. More than 10,440 companies in 142 countries worldwide use the ISCC System. ISCC covers all sustainable feedstocks, including agricultural and forestry biomass, circular materials and renewables. As a no-deforestation standard with a strong commitment to protect forests, high-carbon stock lands and biodiversity, ISCC strives for a world where biomass and other raw materials are produced in an environmentally, socially and economically sustainable manner.

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:

  • Co-design and implement ISCC's strategy in providing certification solutions for the aviation and maritime sectors
  • Co-lead the development of the ISCC CORSIA system in view of relevant legislative and market requirements
  • Provide technical expertise to develop ISCC's other certification standards (ISCC EU, ISCC PLUS) in view of emerging legislative and market requirements of the aviation and maritime sectors (e.g., in terms of certification requirements and procedures)
  • Evaluate and monitor international legislations relevant to ISCC's work in aviation and maritime (e.g., ICAO CORSIA, US low carbon fuel standards, IMO LCA Guidelines, etc.)
  • Support ISCC's work in voluntary markets for SAF and SMF (e.g., developing ISCC's book and claim solutions)
  • Manage own team, including feedback and development discussions, to achieve high performance, a productive and collaborative work environment and good team spirit
  • Contribute to ISCC EU controlling, including setting up relevant KPIs
  • Manage and optimize processes in the Aviation & Maritime team
  • Represent ISCC in relevant fora (conferences, events, etc.)
  • Co-lead ISCC stakeholder activities for the markets of aviation and maritime (e.g., new stakeholder committees)
  • Support conducting relevant trainings (e.g., ISCC CORSIA training)
  • Carry out benchmarking with other certification systems to continuously develop ISCC
  • Develop and manage pilot projects with key partners to create certification solutions for new fuels and supply chain set-ups
  • Provide technical support with regard to ISCC certification requirements to ISCC system users in a timely and professional manner



  • University degree in bioenergy, chemistry, circular economy, bioeconomy, environmental studies, business management, economics, law or similar
  • At least 3 years postgraduate professional experience
  • At least 2 year postgraduate professional experience in relevant field (e.g., sustainable fuels, circular economy, GHG calculations)
  • At least 2 year professional experience in a leading role
  • Preferred: experience with sustainability certification, labels and/or relevant sustainability legislation in aviation and/or maritime transport
  • Proven professional experience in project management
  • Excellent communication skills in an international environment with stakeholders at all levels
  • Excellent language skills in English (at least C1) and good German (at least B2), additional language skills will be of advantage
  • Service-oriented thinking and excellent networking capability, especially in international environments
  • 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 in databases and MS Office
  • High degree of initiative and very good decision-making ability combined with an independent working style and pragmatic, hands-on attitude
  • Willingness to contribute to the continuous improvement process and to drive change
  • Willingness and ability to travel internationally


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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