Your tasks

ISCC – International Sustainability and Carbon Certification is one of the leading certification systems for sustainability, traceability and the reduction of greenhouse gas emissions. Our activities and impact are expanding and our teams are growing exponentially since the last 3 years.

To strengthen our ISCC EU team, we are looking forward to welcoming you as a Sustainability Manager – Biomass Fuels at our headquarters inCologne.

In this role, you will play a key part in developing and advancing ISCC’s sustainability and certification framework for biomass-based fuels, with a particular focus on biogas, biomethane, and bioLNG. You will support and further strengthen the ISCC EU certification scheme, including traceability, chain of custody, and greenhouse gas (GHG) aspects, in line with the overarching principles of ISCC EU and related regulatory requirements, while working closely with internal teams, auditors, regulators, and external stakeholders.

If you are passionate about sustainability and would like to join a culturally certified **Great Place to Work®**company with highly motivated and diverse teams making a real difference, we look forward to your application!

Your main duties will be:

Developing and refining ISCC principles, criteria, and indicators related to biogas, biomethane, and bioLNG value chains
Monitoring, interpreting, and assessing relevant legislation and market developments affecting biomass fuels
Analysing global and regional market needs and identifying opportunities for system optimisation and further development
Strengthening internal expertise on biomass fuel supply chains, including mass balance systems, traceability approaches, GHG calculations, and auditability
Initiating, organising, and participating in stakeholder consultations, technical working groups, and industry dialogues
Developing and delivering ISCC trainings on certification requirements for biogas and biomethane supply chains
Engaging with regulators, competent authorities, and policymakers to support consistent interpretation and recognition of ISCC requirements
Developing and updating system documents, audit procedures, and guidance materials for certified companies and auditors
Contributing to the integrity program by supporting risk assessments, conducting plausibility checks, and evaluating certification patterns in biomethane markets

Additional duties can include:

Representing ISCC at external events, conferences, and industry forums
Supporting the organisation of stakeholder meetings, webinars, and thematic workshops
Contributing to communication materials such as newsletters, website content, and technical updates related to biomass fuels

Your profile

University degree in environmental sciences, agricultural sciences, biology, chemistry, or another relevant field
At least 3 years of relevant professional experience, including experience in biogas and/or biomethane
Strong understanding of anaerobic digestion, biomass fuel value chains, and related technologies (e.g. bioLNG)
Good knowledge of sustainability certification systems and relevant EU legislation (e.g. EU RED, EU IR 2022/996 or RePowerEU)
Familiarity with mass balance approaches, traceability systems, or GHG calculations is an asset
Strong analytical skills and ability to work independently in a structured and strategic manner
Very good communication and presentation skills in an international environment
High IT affinity (MS Office, databases) and willingness to travel internationally
Excellent English language skills (at least C1, written and spoken); additional languages are a plus

Why us?

We are an international and diverse team of passionate and experienced experts, joining forces for a sustainable future! We believe thatour 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
Frequent feedback sessions to ensure a high quality of communication and mutual reflection
Many free language classes
Access to several trainings as well as specific technical courses
We promote from within!

Work-Life Balance

Hybrid set-up
4 weeks remote workat 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 schemebased on performance

Wellness Programs

Subsidized Urban Sports Club
Health weekspromoting 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.

About us

ISCC – International Sustainability and Carbon Certificationis 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 atISCC 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.

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