R&D Engineer- HVDC Converter valve cooing design

Hitachi Automotive Systems Americas, Inc.; Ludvika kommun; On-site; SEK 680,000 - 880,000; Full time

Job summary

HITACHI ENERGY SWEDEN AB in Ludvika is seeking a mechanical/physics-minded engineer to advance HVDC valve cooling technology. You will research, model, and test cooling concepts, and collaborate with cross-functional teams to integrate cooling into valve designs.

Required are a Master’s degree in mechanical engineering or engineering physics, strong CFD/thermodynamics knowledge, and NX proficiency. English fluency is essential; Swedish is a plus.

Qualifications

• Master’s degree in mechanical engineering or engineering physics.
• Curious about physics and new technologies for future product.
• Theoretical understanding in fluid mechanics and thermodynamics.
• Experience with CFD simulations or thermal cycle calculations advantageous.
• Open to multi-disciplinary assignments in mechanical and electrical fields.
• Experience in new product development, flow simulations, thermal cycle calculations, or cooling system control advantageous.
• Proficiency in 3D-CAD modeling, NX preferred.
• Understanding of mechanical core competencies, material selection, manufacturing methods, GD&T, and basic electrical technology.
• Knowledge of fieldbus technology, components/instrument, deionizing chemistry, and cooling system redundancy philosophy advantageous.
• Fluency in English; Swedish advantageous.

Responsibilities

• Develop new cooling technologies and improve existing ones for HVDC valve cooling systems.
• Conduct research, testing, and validation using modelling and simulation tools.
• Collaborate with electrical, mechanical, and software engineers to integrate cooling systems.
• Evaluate materials, components, and suppliers based on requirements, cost and reliability.
• Contribute to new product development with valve cooling design tasks.
• Perform DFMEA to prevent future development issues.
• Prepare 3D CAD models, drawings, and BOM.

Skills

CFD simulations

Thermal analysis

Mechanical design

3D-CAD modeling

Heat transfer

Multidisciplinary teamwork

English fluency

Education

Master's degree in mechanical engineering

Master's degree in engineering physics

Tools

NX

CFD software

Job description

Location:Ludvika, Dalarna County, SwedenJob ID:R0145498Date Posted:2026-10-16Company Name:HITACHI ENERGY SWEDEN ABProfession (Job Category):Engineering & ScienceJob Schedule:Full timeRemote:NoJob 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/hvdcYou 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 impactDevelop 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 toolsCollaborate 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 involvingundefinedundefinedPerform DFMEA to prevent unnecessary product development issues in futurePreparation of 3D CAD Models, drawings and BOMYour backgroundMaster’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, manufacturingmethods, 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 usWe are interested to learn more about you and what you can contribute with so don’t hesitate to apply even though you don’t meet all requirements. A team with great cooperation and with diverse backgrounds is waiting for you to join!Union representatives - Sveriges Ingenjörer; Torbjörn Wilund, [phone], or Mikael Hjort, [phone]; Ledarna: Christer Fridlund, [phone]; Unionen: Stefan Barkman, [phone]. All other questions can be directed to Talent Partner Filip Henriksson at Accessibility and reasonable accommodationQualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.Use of Al and automated tools in recruitmentAs part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.Background Screening and Security ChecksAs part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.