Senior Sustainability Operations Specialist

It’s no wonder we can go further, faster together.

We’re a team of 450+ professionals from 50+ nationalities, all commercially driven, entrepreneurial and ready to turn potential into progress. Not just for us, but for the world too.
At STX, we’re focused on so much more than making money. We’re here to make a profit with a purpose. Because for us, nothing’s more important than being able to trade in environmental commodities and create the most effective decarbonization strategies for our clients. Join us and together we can change the world – one trade at a time.
Your success story starts here…

TEAM AND ROLE

You’ll join a collaborative and fast-paced team focused on ensuring the integrity and compliance of our renewable gas (RNG) supply chain. In this role, you will play a key part in managing sustainability certification processes, coordinating with internal teams and external partners, and maintaining high standards across ISCC and other voluntary schemes. This position offers a unique opportunity to combine technical expertise with stakeholder engagement to drive reliable and compliant biofuel operations.

KEY RESPONSIBILITIES

• Deep expertise in managing and applying EU Standard requirements (such as ISCC EU) for our RNG supply chain. Knowledge of other EU/Global standards is welcomed
• Responsible for creating clear, centralized procedures, methodologies and systems for handling our sustainability documentation (SDs, GOs and PoS)
• Overseeing annual ISCC EU audits and ensuring all incoming and outgoing sustainability operations data is effectively managed and centralized throughout the year.
• Being able to provide guidance and training to colleagues internally, RNG suppliers and customers externally, while tracking Standard updates and integrating these changes into daily operations.
• Active participation in Voluntary Schemes’ working groups to enhance understanding of requirements and share actively our insights in these working groups.