(Senior) Process Development Engineer

Are you looking for a career in an inspiring, global environment where your expertise makes a difference? At Neste, you will be working for the world’s leading producer of renewable diesel and sustainable aviation fuel. Together we can help our customers to reduce their greenhouse gas emissions.

We are looking for you,

(Senior) Process Development Engineer

to our Process Modelling team. We are a diverse team of experts contributing to technology development and investment projects. Process modelling is one of the key capabilities in the development of sustainable and innovative technologies. Together with your expertise, we can do meaningful work to drive Neste forward.

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. 

Reasons to join

We operate in an inspiring and evolving business environment as a global leader in renewable fuels. We contribute to Neste’s success by living our values every day: we care, we have courage, we cooperate.

We prioritize safety at all times and in every location. We strive to create a positive and impactful work environment.

Transformation brings new possibilities and fosters our courage and curiosity. As a global  company, we support personal development with versatile learning and career opportunities. Collaboration is key, and we believe in flexible, smart ways of working. We work at the office at least three days a week to ensure seamless teamwork and a sense of belonging.

In addition, our benefits for employees in Finland include, for example, a personnel fund as part of the overall remuneration, good occupational health care, a membership in a sickness or health insurance fund and leisure time accident insurance. We also support leisure time activities, e.g. by offering benefits for sports and culture (ePassi).

More about the job

Your role in our team

• Hands-on process modelling and simulation in projects ranging from the early phase concept development to the optimization of existing production units

• Development of new or existing process/kinetic models and calculation tools

• Planning of experiments and analytics, as well as data analysis and reconciliation for process modelling

• Execution of process simulations to provide initial data, for example heat and material balances, for process design

• Documenting, reporting and presenting key results, findings and providing expert recommendations

Depending on your level of expertise, you may also be responsible for scoping, planning and leading modelling and simulation tasks in addition to your own hands-on modelling work.

Keys to success in this role

• M.Sc. or D.Sc. degree in Chemical Engineering or equivalent

• 3-5+ years of experience in process modelling and simulation in the field of oil, petrochemical or chemical industry or university

• Programming skills (e.g. Python, C++)

• Experience and willingness to collaborate with R&D

• Good communication and influencing skills

• Good self leadership skills being able to deliver results and learn new

• Excellent data analysis and documentation skills

• Responsible attitude and safety-oriented mindset

• Eager to experiment with AI tools to find better and more efficient ways of doing the tasks

Other strengths we value

• Experience in analysing and working with refinery or process plant data

• Process safety and process design skills

• Dynamic simulation expertise
  
  

Let’s get you started

We look forward to receiving your CV and application by 13.5.

If you have any questions regarding the process or the position, please get in touch with Juha Visuri, Manager, Process Modelling +358 50 379 4171, on 8.5. at 12:00-14:00 (UTC+3 hours) or 4.5. at 13:00-15:00 (UTC+3 hours) .

To ensure security and confidentiality, please submit your application through our recruitment system, as we are unable to consider applications sent via email. 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 potential aptitude assessment. The first interviews are preliminarily scheduled to take place on week 21. The person selected for the position must pass a health examination including a drug test. Depending on the position’s requirements, a security clearance may be conducted with your consent.

Neste in brief

Neste (NESTE, Nasdaq Helsinki) is the world's leading producer of renewable diesel and sustainable aviation fuel (SAF), with production on three continents. The company’s renewables production capacity is expected to reach 6.8 million tons annually in 2027. Neste also produces high-quality oil products at its Porvoo refinery in Finland. The company has a network of nearly 1,000 fuel stations with expanding service offering, such as EV charging, in Finland and in the Baltics.

Neste’s strategy focuses on growth in renewable fuels, which help its customers to reduce their greenhouse gas emissions. Neste is included in many international indices for its sustainability performance. In 2025, Neste's revenue stood at EUR 19.0 billion. Read more: neste.com

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