Nordic Nuclear Trainee Program: Design Engineer, Nuclear Safety

Fortum; Espoo; Hybrid; EUR 32,000 - 46,000; Full time

Benefits offered by this job

Flexible working hours

Remote work option

Smoke-free workplace

Job summary

Fortum in Espoo, Finland, invites applications for the Nordic Nuclear Trainee Program as a Design Engineer, Nuclear Safety. The fixed-term role runs Nov 2026 to Dec 2027 and combines hands-on safety work with trainee activities across the Nordic nuclear sector.

Join Fortum’s Engineering & Projects team to collaborate on safety analyses, EOP development, and licensing documentation, gaining essential experience for a future career in nuclear energy.

Qualifications

• A university degree in Engineering (e.g. energy engineering), Energy Technology or Physics, with a couple of years of relevant working experience.
• Fluent English; Finnish and/or Swedish are considered an advantage
• Familiarity with nuclear safety principles or other regulated environments, with a safety mindset
• Knowledge of power plant technology, operation and maintenance, or construction is advantageous
• Systematic, goal‑oriented work style with strong problem-solving and high responsibility

Responsibilities

• Functional safety analyses for Loviisa NPP or external customers
• Emergency operation procedure (EOP) development
• Safety and seismic classification studies and reports
• Nuclear newbuild projects: evaluation of plant concepts, dialogue with regulators and licensing documentation
• Owner’s engineering – supporting utilities in new build projects
• Evaluate and develop severe accident management concepts for Loviisa and new nuclear projects

Skills

Engineering degree

English proficiency

Nuclear safety knowledge

Power plant tech

Problem solving

Education

University degree in Engineering/ Physics

Job description

Join a unique trainee program and build your future in the nuclear industry!

Fortum, Teollisuuden Voima, Vattenfall and Uniper are launching the fourth Nordic Nuclear Trainee Program (NNTP), a joint initiative for future nuclear professionals.

The Nordic Nuclear Trainee Program offers a unique opportunity to deepen your understanding of the nuclear industry while building valuable connections across the Nordic nuclear sector.

You’ll connect with experienced professionals, build a strong network, and gain first‑hand insight into the role nuclear energy plays in the energy transition. At the same time, you’ll gain hands‑on experience in your role as Design Engineer, Nuclear Safety at Fortum and develop skills that will support your future career in the industry.

The program begins in January 2027 and runs until December 2027. NNTP is a paid trainee program. During the program, you will be employed by Fortum in a fixed‑term position as Design Engineer, Nuclear Safety and participate in trainee activities alongside your daily work.

Program details:

• A one-year trainee experience designed to support your professional development and strengthen your understanding of the nuclear industry
• Approximately 450 hours of dedicated program activities
• Six in-person modules (three days each), including site visits to nuclear facilities across the Nordics
• Four virtual seminars covering key topics in the nuclear sector
• A rotation assignment (2-4 weeks)
• A project assignment addressing a real industry challenge
• Mentoring from experienced nuclear industry professionals
• A visit to the WANO Paris Centre (World Association of Nuclear Operators)
• Networking opportunities with nuclear professionals and fellow trainees from across the Nordic nuclear industry

Read more about the program here.

About your role at Fortum:

Are you ready to be part of a dynamic team dedicated to ensuring the safe and efficient operation of nuclear power plants?

We are looking for a Design Engineer to join our Nuclear Safety team within the Engineering & Projects (E&P) business area in Espoo, Finland. This is a fixed‑term position starting in November-December 2026 and continuing until December 2027.

As a Design Engineer, you'll play a crucial role in shaping the future of nuclear energy. In this role you will collaborate with a diverse group of experts to support Fortum’s internal preparatory work for possible nuclear newbuild, external nuclear customers, and co-owned units.

The Nuclear Safety team has a wide range of different competencies which are utilized in supporting safe and efficient operations of our nuclear units, external nuclear customers, and the development of new nuclear and nuclear R&D activities in Fortum.

You will work closely together with our other nuclear experts and with our external partners in creating winning solutions for the needs of our customers both in Finland and abroad.

Your assignments mayinclude e.g.:

• Functional safety analyses for Loviisa NPP or external customers
• Emergency operation procedure (EOP) development
• Safety and seismic classification studies and reports
• Nuclear newbuild projects: evaluation of plant concepts, dialogue with regulators and writing licensing documentation
• Owner’s engineering – supporting utilities in new build projects
• Evaluate and develop severe accident management concepts for Loviisa and new nuclear projects

What We Are Looking For

To be successful in this role, you bring:

• A university degree in Engineering (e.g. energy engineering), Energy Technology or Physics, and a couple of years of relevant working experience
• A good command of English, both written and spoken; Finnish and/or Swedish are considered an advantage
• Familiarity with nuclear safety principles or other regulated environments, combined with a questioning attitude and strong safety mindset
• Knowledge of power plant technology, operation and maintenance, or construction is considered an advantage
• A systematic and goal‑oriented way of working, with strong problem‑solving skills and a high level of responsibility

We offeryou

In addition to the learning opportunities offered through NNTP, you will have a chance to start working as part of the nuclear expert community. We offer both flexible working hours and the possibility of remote work. The aim of the program is for you to become part of Fortum’s nuclear team and continue your career with the new skills and knowledge gained through the program.

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

Espoo office is a smoke‑free workplace.

If you would like to hear more about the position, please contact Kaisu Leino, through e-mail [e-mail]

For questions about the trainee program, please contact Joel Ronimus, Senior Training Expert, at [phone].

Additional Information

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