R&D Engineer- HVDC Converter valve cooing design

Hitachi Energy Ltd.; Ludvika kommun; On-site; SEK 550,000 - 850,000; Full time

Job summary

Hitachi Energy Ltd. in Ludvika invites engineers to join the Valve Development Department, focusing on HVDC and SVC converter valves. You will work with a diverse team to advance cooling solutions for HVDC valves, leveraging CFD, 3D CAD, and cross-disciplinary collaboration to drive robust product development.

The role emphasizes research, validation, and integration of cooling systems, with opportunities to influence materials, components, and supplier choices across global projects.

Qualifications

• Master's degree in mechanical engineering or engineering physics is required.
• Theoretical understanding of fluid mechanics and thermodynamics is essential; CFD or thermal analysis experience is a plus.
• Experience with new product development, flow simulations, thermal cycle calculations or cooling system control is advantageous.

Responsibilities

• Develop new cooling technologies and improve existing ones for HVDC converter valves and their cooling system.
• Conduct research, testing, and validation of cooling systems using advanced modelling and simulation tools.
• Collaborate with electrical, mechanical, and software engineers to integrate cooling systems into designs.
• Evaluate and select materials, components, and suppliers based on technical requirements, cost, and reliability.
• Engage in new product development projects focusing on valve cooling design tasks and DFMEA to prevent issues.
• Prepare 3D CAD models, drawings and BOM.

Skills

Fluid mechanics

Thermodynamics

DFMEA

Cross-functional collaboration

Product development

Materials selection

3D-CAD modeling

English proficiency

Education

Master’s degree in mechanical engineering or engineering physics

Tools

NX

CFD software

Job description

You will be part of Technology and Solutions Development for HVDC applications, within Hitachi Energy, in Ludvika. The HVDC technology has been on the market for the past 60 years and is used, among other things, to transmit power over long distances with minimal losses, using overhead lines, underground and submarine cable systems.

The Valve Development Department is a part Technology and Solutions Development office in Ludvika, and it is responsible for the development of new HVDC and SVC converter valves. HVDC converter valves are used to convert AC to DC, and vice versa, and are essential for HVDC power transmissions. SVC converter valves are used in SVC systems, in order to support and stabilize AC systems. The Valve Development Department is focusing mainly on electrical and mechanical design and development activities and works in close collaboration with the global HVDC organization. Please find out more about our world leading technology at https://www.hitachienergy.com/offering/product-and-system/hvdc

You are welcome to join our energetic team with mix of experienced and young engineers and colleagues from diverse nationalities around the world. We work closely with design teams and collaborate with engineering and research team in Sweden and abroad.

How You'll Make An Impact

• Develop new cooling technologies and improve existing ones to enhance the performance of HVDC converter Valves and its cooling system.
• Conduct research, testing, and validation of cooling systems using advanced modelling, simulation, and analysis tools
• Collaborate with cross-functional teams, including electrical, mechanical, and software engineers, to integrate cooling systems into designs.
• Evaluate and select materials, components, and suppliers for cooling systems based on technical requirements, cost, and reliability.
• Work in new product development projects focusing on valve cooling design tasks involving
• Perform DFMEA to prevent unnecessary product development issues in future
• Preparation of 3D CAD Models, drawings and BOM

Your background

• Master’s degree in mechanical engineering or engineering physics.
• Genuinely curious in physics and new technologies that can be applied in a future product.
• Theoretical understanding in fluid mechanics and thermodynamics are must. Experience in CFD simulations or thermal cycle calculation will be an advantage.
• Open for multi-disciplinary assignments in mechanical and electrical fields.
• Experience with new product development, flow simulations, thermal cycle calculations, or control of cooling systems will be an advantage.
• Proficiency in 3D-CAD modeling, ideally in NX environment is preferred.
• Understanding of mechanical core competences, material selection, manufacturing
• methods, GD&T, and basic understanding of electrical technology.
• Knowledge of fieldbus technology, component/instrument, deionizing chemistry, and cooling system redundancy philosophy will be an added advantage.
• Fluency in English -written and spoken. Proficiency in Swedish will be an advantage.
• Experience in exchange study or any other international opportunity will be an advantage.

More About Us

Union representatives -SverigesIngenjörer;TorbjörnWilund, [phone], or MikaelHjort, [phone];Ledarna: Christer Fridlund, [phone];Unionen: StefanBarkman, [phone].All other questions can be directed to Talent PartnerFilip Henriksson at

Publication date : 2026-10-16