Sustainability Specialist

Do you want to join us in building a cleaner tomorrow? Gasum
is a Nordic energy expert. Our purpose is to help our customers navigate the energy transition by offering cleaner energy and superior energy management services.

We are looking for a Sustainability Specialist based in our Espoo office to join Gasums Sustainability & HSEQ team for a fixed-term position covering parental leave from May 2026 to April 2027.

Our purpose is to secure access to cleaner energy for our customers. We help them navigate the energy transition towards continuously reducing emissions. Our areas of expertise are biogas, liquefied biogas (LBG), natural gas, liquefied natural gas (LNG) and electricity markets. We own and operate biogas plants and an extensive network of gas filling stations in the Nordic countries. Our customers include industry and businesses that use a lot of energy as well as maritime and land transport providers.

In this role, you will play a key part in supporting our ESG work, enhancing sustainability processes, and contributing to Gasums wider decarbonisation and reporting efforts.

At Gasum, our Sustainability and HSEQ teams plays a pivotal role in the sustenance and growth of our business. Our team of six of sustainability and HSEQ professionals is committed to committed to driving responsible operations, ensuring the highest standards of safety and quality, and supporting the transition toward a lowcarbon energy future. Together, we work proactively across the organization to integrate sustainability into decisionmaking, strengthen compliance, and build trust with our stakeholders.

Main responsibilities in the role are:

• Maintain the sustainability systems for biogas. - Data management: Collect, structure, and maintain ESG-related data in a reliable and organized manner. - Process documentation & cross-functional collaboration: Work closely with internal stakeholders across business functions to gather and support ESG initiatives. Support the fulfilment of customer sustainability data requests. - Reporting & analysis: Support the sustainability reports and disclosures such as ESRS data collection, EcoVadis, and CDP.

What we expect from you:

• Experience or educational background in sustainability, environmental engineering, energy, or a related field. - You may be a recent graduate or have a few years of relevant work experience. - Understanding of ESG frameworks and EU renewable energy directive is considered an advantage. - Strong analytical skills and the ability to manage complex data sets. - Excellent collaboration and communication skills in a cross-functional environment. English is required as a working language. - Proactive attitude, willingness to learn, and ability to work independently.

What we offer you:

• Interesting tasks in a Nordic work environment and a front row seat into the renewable energy transition - The opportunity to deepen your expertise in ESG and reporting.
• A positive and encouraging work community that drives change together
• Development opportunities in our sustainable, innovative and inclusive company
• A forward looking and modern workplace and an encouraging team to support you
• Flexibility in terms of working remotely or at the office in accordance with company policy.
• Various employment benefits and events, please read more here: Gasum as an employer | Gasum

At Gasum, we live by our values Respect, Sustainability and Positive energy. Our ethical code covers looking after people and the environment alike. Our purpose is to help our customers get access to cleaner energy and energy market services.

We look forward to your application! Please apply latest by 9.3.2026, enclosing your CV, cover letter and salary request. For inquiries about the vacancy, please contact Head of Sustainability & HSEQ, Senja Forsman-Katainen,

between 25th of February at 13.30 - 15.30 or between 4th of March at 13 - 15 on +358 50 469 0952.

Gasum values equality and diversity within the work community. We welcome applicants from different backgrounds, such as people of different ages, genders, and those belonging to different language, cultural, or minority groups. Learn more about our company.

Gasum is a Nordic gas sector and energy market expert. Our areas of expertise are biogas, liquefied biogas (LBG), natural gas, liquefied natural gas (LNG) and electricity markets. We own and operate biogas plants and an extensive network of gas filling stations in the Nordic countries. Our customers include industry and businesses that use a lot of energy as well as maritime and land transport providers.

Mitä tarjoamme sinulle?

• Over 350 professional and amazing colleagues
• Positive and encouraging work community
• Shared values to support our work
• Development and learning opportunities
• An inspiring and modern workplace
• Meaningful work for the cleaner tomorrow
• Inspiroiva ja moderni työpaikka
• Kehittymis- ja oppimismahdollisuudet
• Yhteiset arvot tukevat työtämme
• Positiivinen ja kannustava työyhteisö
• Yli 350 mahtavaa kollegaa
• Merkityksellinen työ kohti puhtaampaa huomista