Chemist (Senior Expert)

Wärtsilä Oyj Abp; Vaasa; On-site; EUR 70,000 - 90,000; Full time

Job summary

Wärtsilä in Vaasa, Finland, seeks a Senior Expert / Expert, Fuels to lead chemical analysis in the Fuel Laboratory and support fuel development, engine testing and customer projects. You will develop analytical methods and interpret results for conventional, bio-based and alternative fuels to aid decarbonisation and fuel flexibility.

Fluent English is required; Swedish and/or Finnish are a strong plus. The role emphasizes hands-on laboratory work, collaboration in cross-functional teams and

Qualifications

• M.Sc. in Chemistry or related field.
• Strong laboratory experience of instrumental analysis in a chemistry laboratory.
• Fluent English communication skills; Swedish and/or Finnish a strong benefit.
• Ability to work independently and take ownership.
• Willingness to perform hands-on laboratory work when required.
• Team player with collaboration skills in cross-functional teams.
• Experience with advanced analytical instruments (e.g. IC, XRF, GC, ICP-OES, FTIR, TGA/DSC).
• Strong analytical thinking and problem-solving skills.
• Structured way of working and ability to interpret data, reporting and support technical decisions.
• Interest in method development and continuous improvement.
• Experience in fuel analysis or petrochemicals; knowledge of alternative fuels is an advantage.

Responsibilities

• Provide expert chemical competence to support fuel technology development and engine testing.
• Ensure high quality laboratory analysis and development of new analytical methods.
• Interpret results for conventional, bio-based and emerging sustainable fuels; support troubleshooting.

Skills

Independent work

Team collaboration

Hands-on lab work

Analytical thinking

Method development

Fuel analysis knowledge

Education

M.Sc. in Chemistry or related field

Tools

IC

XRF

GC

ICP-OES

FTIR

TGA/DSC

Job description

We are always on the lookout for a talent with a growth mindset – are you the one? We are looking for a Chemist that will be titled Senior Expert / Expert, Fuels with a main responsibility in the Fuel Laboratory. The location for this position is Vaasa, Finland.

Your role and responsibilities

As a Senior Expert / Expert, Fuels you will provide expert chemical competence to support Wärtsilä's fuel related technology development, engine testing, customer projects and fuel specification work as well as support on troubleshooting challenges. The role ensures high quality laboratory analysis, development of new analytical methods and expert interpretation of results for conventional, bio based and emerging sustainable fuels. The position supports Wärtsilä's strategic targets related to decarbonisation, fuel flexibility and reliable engine operation.

Requirements for the position

• M.Sc. in Chemistry or related field
• Strong laboratory experience of instrumental analysis in a chemistry laboratory
• Fluent English communication skills, Swedish and/or Finnish a strong benefit
• Ability to work independently and take ownership
• Willingness to perform hands-on laboratory work when required

Qualifications/to be able to succeed in the position we expect you to have

• A Team player with good collaboration skills in cross-functional teams
• See working in a Chemistry Lab as a “dream work” were to work & develop long term
• Experience with advanced analytical instruments (e.g. IC, XRF, GC, ICP-OES, FTIR, TGA/DSC)
• Strong analytical thinking and problem-solving skills
• Structured way of working and ability to interpret data, reporting and support technical decisions
• Interest in method development and continuous improvement
• Experience in fuel analysis or petrochemicals and knowledge of alternative fuels (e.g. ammonia, hydrogen, methanol) is seen as an advantage

Why you and us?

• You are valued – as your true self.
• At Wärtsilä YOU matter.
• We value diversity and are committed in supporting inclusive work community.
• Your growth is supported.
• We believe in continuous learning & teamwork.
• Wärtsilian community has your back when it comes to development opportunities – so you can develop beyond your potential.
• You get to make a difference.
• Innovation and sustainability are important for us.
• Every day, we - Wärtsilians - put our hearts and minds into enabling sustainable societies through innovation in technology and services into reality.

Application deadline

Last application date: 30/08/2026

Equal Employment Opportunity Statement

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.

Security Check

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

About us

Wärtsilä Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.