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Master's Thesis Worker


Porvoo, FI

Country/Region:  FI
Job Area:  Technology & Product Development
Business Unit:  Technology

This is an ad for creators of change!


This is for you who wants to have a real impact on creating a healthier planet for our children every day. At Neste, you will be working for the world’s leading producer of sustainable aviation fuel and renewable diesel and a forerunner in developing renewable and circular feedstock solutions for polymers and chemicals. Let’s create transformation for a sustainable future together.

We are looking for you,

Master’s Thesis Worker

to join our technology development team in Neste’s Engineering Solutions unit

The subject of your thesis is related to a study of the development of the operation of a wastewater treatment plant. This is a temporary position of 6 months. The work would preferably start in September 2023.

The work includes a literature review and applied part. The study includes examination of different wastewater origins and conditions affecting them. Also the emission levels need to be cleared out if one of the purification steps would be left out. After these the chemicalization and optimisation of the operation should be sorted out.

Reasons to join

Real impact right now. We work in an inspiring and evolving business environment, where everything we do serves one purpose: to create a healthier planet for our children. To drive a growing impact as a global leader in renewable and circular solutions 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 and fosters our courage and curiosity. As a global growing company we support personal development with versatile learning and career opportunities. Collaboration is the key, and we believe in flexible, smart ways of working.

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.

The best combination to succeed in this role


  • Academic studies (e.g., MSc program) in process or chemical engineering
  • Knowledge of  process design basics (PI diagram, heat and mass balance, equipment sizing, etc.)
  • Experience from industrial wastewater treatment plant operations
  • Capability to identify and evaluate data from public sources
  • Clear and compact report writing skills
  • Willingness to learn new things
  • Good self management skills (organising and managing your tasks to meet deadlines)
  • Other strengths we value
  • Work experience in process design or production in chemical, oil, food or similar industries
  • Good written and spoken English
  • Positive mindset
  • Structured way of working

Let’s get you started

Wondering whether we are a match or not? Take a short test at

We look forward to receiving your CV, cover letter and transcript of records by June 8th, 2023.

If you have any questions regarding the process or the position, please get in touch with Meri Hovi, Manager, Renewable Processes, +358 40 7294231 on Wednesday, 31th of May during 15:30-16:30 EET or on Monday, 5th of June during 12:00-13:00 EET.

We will do our best to contact you within two weeks after the application time has ended. The interviews are preliminarily scheduled to take place on week 23. The person selected for the position must pass a health examination including a drug test. A security clearance is obtained with their consent.


About Neste
Neste creates solutions for combating climate change and accelerating a shift to a circular economy. With over 75 years of refining expertise, we are now the world’s leading producer of sustainable aviation fuel and renewable diesel and a forerunner in developing renewable and circular feedstock solutions for polymers and chemicals. We have set aspirational targets for climate, biodiversity, human rights, as well as our supply chain and raw materials. Our ambition is to make the Porvoo oil refinery in Finland the most sustainable refinery in Europe by 2030. Together with our partners we are aiming at a carbon neutral and nature positive value chain by 2040. Our success is created by 5,400 professionals working in 16 countries. Read more: Get inspired by our story.


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