Process Development Engineer

Ready to be part of world-class technology development?

Join our mission at Neste, a leader in renewable and circular solutions. We're looking for a motivated Process Development Engineer to join our Technology Development team in Porvoo on a fixed-term contract until the end of June, 2026.

This is a crucial role to support our ongoing success in renewable technologies and an excellent opportunity for both fresh graduates and those with a couple of years of relevant work experience to gain hands-on expertise in a dynamic, global environment.

Our team of experts in Renewable Processes, part of the Technology & Innovation function, is at the forefront of developing NEXBTL technology—the core of our proprietary process for producing hydrocarbons from renewable oils and fats. This technology is vital for creating sustainable fuels, polymers, and chemicals.

You will be involved in projects across the full development chain, from early lab-scale R&D and pilot testing to conceptual and feasibility studies, and providing direct support to our existing production sites globally.

Reasons to join

Real impact right now. We create solutions for mitigating climate change and accelerating a shift to a circular economy. We live by our values every day; we care, we have courage, we cooperate.

Safety and caring. We value safety always and everywhere. We want our work to feel good and do good. At Neste, we nurture a culture where everyone is welcome and feels safe, respected and encouraged to be their unique true selves.

Exciting growth. Transformation brings new possibilities, fostering both courage and curiosity. As a global company, collaboration is the key, and we believe in flexible, smart ways of working. We support personal development with versatile learning and career opportunities.

The job is located in Kilpilahti, Porvoo, which is about 30 minutes by car from the center of Helsinki. We organize free bus transportation to Kilpilahti for our employees from the capital region, Porvoo and the nearby areas. Neste also offers a hybrid work model, requiring a minimum of three office days per week to ensure effective team collaboration and on-site project support.

Your role in creating a sustainable future

• Contribute to technology development & engineering projects, from initial technology evaluation to conducting conceptual and feasibility studies

• Support R&D by helping to design experiments and pilot testing campaign

• Drive continuous improvement efforts for our existing renewable products refineries in Finland, the Netherlands and Singapore

• Participate in concept development within technology development and investment projects focused on low-carbon and renewable solutions

• Collaborate actively with a global network of process engineers, R&D specialists, modeling experts, and engineering disciplines to achieve Neste’s strategic goals

You will report to the Manager, Renewable Processes, and to project managers in a matrix structure.

The best combination to succeed in this role

• M.Sc. degree in Chemical Engineering or an equivalent field

• Knowledge of thermochemical conversion, catalytic processes, or bioprocesses

• Good data analysis skills

• Fluent written and spoken command of English

• A hands-on, proactive attitude and a strong willingness to learn new technologies quickly

• Motivation to do practical project work and reporting tasks

• Excellent interpersonal and communication skills for collaborating with diverse stakeholders

• Advanced self-leadership and an organized approach to managing tasks

• A responsible, safety-oriented mindset

We Also Value:

• Relevant process engineering experience in oil refining, petrochemicals, or chemicals

• Knowledge of renewable fuel processes and associated unit operations

• Experience in process design activities (e.g., material and heat balance calculations, equipment sizing), modeling, and/or simulation

Let’s get you started

We look forward to receiving your CV and application (with a salary request) by 2nd of November, 2025.

If you have any questions regarding the process or the position, please get in touch with Elina Andtsjö, Manager, Renewables Processes, +358504589790 on October 23rd at 1-2pm (EEST) or October 28th at 12-1pm (EEST).

We will start reviewing applications and may begin interviews during the application period. Due to security and confidentiality, please submit your application through our recruitment system. Applications sent via email will not be considered.

We will do our best to contact you within 2 weeks after the application time has ended. The recruitment process will include interviews and a possible aptitude assessment. The person selected for the position must pass a health examination including a drug test. A possible security clearance is obtained with your consent.

Neste in brief

Neste (NESTE, Nasdaq Helsinki) creates solutions for mitigating climate change and accelerating a shift to a circular economy. The company is the world’s leading producer of sustainable aviation fuel (SAF) and renewable diesel, enabling its customers to reduce their greenhouse gas emissions. Neste refines waste, residues and other renewable raw materials to high-quality renewable fuels at its refineries located on three continents. The company’s annual renewable fuels production capacity will be increased to 6.8 million tons in 2027. 

Neste has high standards for sustainability and the company has consistently been recognized by several leading sustainability indices. In 2024, Neste's revenue stood at EUR 20.6 billion. Read more: neste.com

#Li-hybrid