Ready to make a real impact in the world of environmental commodities?

OTC Flow, a leading international trading and brokerage firm based in Amsterdam, is looking for an ambitious Sustainability Specialist to join our fast-growing team. We operate at the intersection of finance and sustainability, connecting companies with the market tools they need to meet climate goals and regulatory requirements.

This is a unique opportunity to contribute to the global energy transition while building a rewarding career in one of the most dynamic and fast-evolving sectors of international trading. If you have a background in environmental sciences, renewable energy, a passion for sustainability, and the drive to thrive in a high-performance environment, we want to hear from you.

About the role

As a Sustainability Specialist at OTC Flow, you will act as the internal expert on sustainability certification requirements and support the continued growth of our biomethane business by maintaining robust compliance processes and providing guidance to internal and external stakeholders.

Working closely with our commercial, operations, and renewable gas teams, you will help ensure that sustainability requirements are translated into efficient and scalable business processes.

Responsibilities

Serve as the internal expert on sustainability certification schemes applicable to renewable gas and biomethane markets, with a particular focus on ISCC EU and ISCC PLUS.
Develop, maintain, and continuously improve procedures, methodologies, and controls related to sustainability compliance.
Monitor the market and identify arbitrage opportunities on the biomethane market in Europe
Manage sustainability documentation and traceability systems, including:
- Sustainability Declarations (SDs)
- Proofs of Sustainability (PoS)
- Guarantees of Origin (GOs)
- Mass Balance documentation
Coordinate and manage annual certification audits and ensure ongoing compliance throughout the year.
Monitor developments in European renewable energy legislation and voluntary certification schemes and translate regulatory changes into internal processes.
Support commercial teams by providing guidance on sustainability requirements and certification structures relevant to transactions.
Deliver training and knowledge-sharing sessions to colleagues, suppliers, and customers.
Act as the primary point of contact for certification bodies, auditors, and industry stakeholders.
Participate in industry working groups and maintain active engagement with market developments within the renewable gas sector.
Identify opportunities to improve operational efficiency, compliance controls, and reporting processes.

About you

Bachelor's or Master's degree in Environmental Sciences, Renewable Energy, Engineering, Sustainability, or a related discipline.
Proven experience working with ISCC EU requirements within biomethane, renewable gas, biofuels, or environmental commodities markets.
Strong understanding of sustainability certification frameworks, traceability systems, and renewable gas supply chains.
Excellent English communication skills, both written and spoken.
Ability to work independently in a fast-paced and entrepreneurial environment.
Strong analytical and problem-solving skills.
Exceptional attention to detail and accuracy.
Excellent stakeholder management and communication abilities.
Ability to translate complex regulatory requirements into practical business processes.
Proactive, hands-on, and solution-oriented mindset.
Team player with the ability to collaborate across commercial and operational functions.

Preferred

Experience with additional certification schemes such as:
- ISCC PLUS
- REDcert
- RSB
- INS
Knowledge of RED II and RED III legislation.
Experience working within environmental commodity trading, renewable energy markets, or brokerage environments.
Familiarity with cross-border biomethane trading and certification processes.

What we offer

Competitive Remuneration: Attractive base salary with performance-based bonuses that reward achievement of sales and profit targets.
Growth & Career Development: A meritocratic environment where you can grow your career, with opportunities for advancement as the business expands.
Recognition & Incentives: Celebrate your successes with team awards, company events, and performance bonuses.
Team Perks:
- Healthy lunches, snacks, and drinks provided by the in-house team.
- Covered commuting expenses, including transport reimbursements, bike plans, and free parking.
- Exciting team-building events, including sports activities, international trips, and social gatherings.
Inclusive Culture: Join a motivated, young, and international team in the heart of Amsterdam, where innovation, collaboration, and results are valued.
Work-Life Balance: Enjoy a full-time, 40-hour workweek with 25 days of vacation annually, ensuring a healthy balance between work and personal life

If we have just described your profile, don't miss out on this opportunity.

The recruitment process is as follows*:

Submit your application with your CV and cover letter (optionally);
We will get to know you better through a pre-screening interview with our corporate recruiter;
We will invite you for 1-3 interviews.

Note: The recruitment process may vary slightly.

At OTC Flow, we celebrate diversity and believe it fuels innovation and growth. We welcome applicants from all backgrounds, fostering an inclusive culture accessible to all.

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