Expert, Process Analysis

About the role

We are looking for an experienced Senior Expert, Process Analysis to join our Process Analysis team within the Analysis, Modelling and Simulation department.

In this role, you will apply your expertise to nuclear engineering assignments supporting the safe and efficient operation, modernization and long-term development of nuclear power plants. Your work will focus on advanced process analysis and nuclear power plant model development using the Apros simulation software.

You will contribute to nuclear safety assessments and plant modification projects for Loviisa NPP. In addition, you will participate in customer projects and support the development of Fortum’s simulation and analysis capabilities.

Your main focus areas are:

• Executing thermal-hydraulic and process analyses using Apros simulation software.
• Developing, maintaining and validating nuclear power plant models with Apros.
• Executing nuclear safety analyses, engineering analyses and licensing activities.
• Participating in customer projects and technical deliveries.
• Collaborating with multidisciplinary engineering teams across Fortum and customer organizations.

The position is located in Espoo, Finland. We apply a hybrid working model. Occasional travel to the Loviisa nuclear power plant and customer locations in Finland and abroad is expected.

About you

You are an experienced engineering professional with extensive expertise in process analysis, thermal hydraulics and nuclear power plant technology. You have a strong track record of delivering demanding analysis and modelling assignments using Apros and enjoy solving complex engineering challenges in a safety-critical environment.

To succeed in this role, we expect you to have:

• M.Sc. in Energy Technology, Process Engineering, Engineering Physics or another relevant engineering discipline.
• Proven experience in process analyses using Apros simulation software.
• Proven experience in nuclear power plant model development using Apros.
• Strong knowledge of thermal hydraulics and power plant technology.
• Experience from nuclear power plant projects and nuclear safety-related analyses.
• Demonstrated capability to independently execute demanding process analysis and modelling assignments.
• Good communication skills and ability to work effectively with multidisciplinary teams.
• Customer-oriented mindset and ability to work effectively with multiple stakeholders.
• Fluent English language skills, both written and spoken.

Previous experience from the nuclear industry is required. Finnish language skills are considered an advantage.

We offer you

At Fortum, we believe in a better future and want to be involved in shaping it. Our workplace is a safe place, both physically and mentally. You will grow with professional colleagues, being trusted and free to challenge yourself. We offer comprehensive benefits, flexible working hours, and hybrid work model to support your productivity, development and wellbeing. We are committed to build diverse teams where everyone feels included and is treated equally. 

You will have the opportunity to develop your expertise and build a meaningful career in one of the most demanding and technically advanced engineering fields.

In this role, you will:

• Participate in demanding international customer projects.
• Work with advanced simulation, modelling and analysis technologies.
• Collaborate with highly experienced nuclear engineering experts.
• Contribute to high-impact engineering work that supports safe and reliable nuclear power generation.

More information about our culture and benefits can be found here.

Espoo office is a smoke-free workplace.

Interested?

The application period opens on 1 August 2026 and closes on 23 August 2026. Due to the summer holiday season, the review of applications will begin on 10 August 2026. For further information about the position, please contact the hiring manager by email timo.toppila@fortum.com. Please submit your application through our online recruitment system.

To be selected for the position, the applicant must successfully complete background clearance and a health examination including drug testing.

We are Fortum
Fortum is a Nordic energy company. We generate and deliver reliable energy to our customers and the Nordic energy system while at the same time helping industries decarbonise their processes and grow. Our core operations comprise efficient and best-in-class low-carbon power generation, customer services, and heating and cooling. Fortum’s power generation is already 99% from renewable or nuclear sources with one of the lowest specific CO2-emissions in Europe. We are guided by our ambitious SBTi-validated emission reduction targets on our way towards net-zero by 2040. For our ~4,500 employees, we commit to be a safe and inspiring workplace. Fortum's share is listed on Nasdaq Helsinki. fortum.com