Senior HR Business Partner (interim)

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:
At STX, people are at the center of our mission and success. As a Senior HR Business Partner in the People & Culture department, you will play a strategic role partnering with senior leaders to build a sustainable, high-performing organization and drive business growth in a scalable way. This is not a typical HRBP role, it’s for someone who thrives close to the business, enjoys solving challenges, and sees opportunities to create smart, scalable ways of working. With an entrepreneurial, data-driven mindset and strong HR expertise, you will deliver solutions that elevate both people and performance in a fast-moving, scale-up environment. You stay calm in constant change, think quickly, and challenge constructively, equally comfortable shaping long-term strategy and making tactical decisions that help leaders and teams move forward today.

Please note: this is a 6-month maternity leave cover from March 15 - October 15 2026 

KEY RESPONSIBILITIES

• Partner with senior leaders as a trusted advisor, supporting team growth, leadership effectiveness, and organizational decision making.


• Translate business challenges into pragmatic people solutions that balance fast execution with long-term strategic thinking.


• Challenge and coach leaders constructively, offering clarity and perspective and strengthening leadership behaviors.


• Lead and contribute to key people programs such as performance management, talent development, and engagement.


• Strengthen our STX culture and build scalable, human-centered HR initiatives in close collaboration with cross-functional teams (like Talent Acquisition, HR Services, Human Capital Development, and outside the People & Culture department).


• Use data-driven insights to influence change and decision making, improve the employee experience, and shape and execute the people strategy in alignment with our STX objectives.

KEY REQUIREMENTS

• 8+ years of HR experience, including 5+ years as an HR Business Partner in a global, dynamic, and preferably scale-up environment; bachelor’s degree required, master’s preferred; fluent in English (Dutch is a pre, other languages a plus).


• Strong experience handling a wide range of employee cases and solid knowledge of Dutch labor and social laws (additional experience in other European countries, the US, or APAC is a plus).


• Broad HR expertise across designing and executing people programs (e.g., performance, engagement, succession, culture), and leading cross-functional projects and change management initiatives


• Ability to connect business outcomes with people initiatives, combining strong business insight, HR know-how, and creative problem-solving.


• Outstanding communication, influencing, and stakeholder-management skills, with proven capability in executive coaching and driving change.


• Strategic thinker with a hands-on and to the point mindset, data-driven approach, strong problem-solving abilities, and that is independent, proactive and shows ownership, and comfortable navigating ambiguity in a fast-moving environment shows initiative.

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