R&D Senior Engineer for System Design

Hitachi Energy; Ludvika kommun; On-site; SEK 900,000 - 1,300,000; Full time

Benefits offered by this job

Flexible hours

Health & wellness allowance

Career growth

Mentor program

Training opportunities

Diverse workforce

Parental leave support

Employee discounts

Job summary

Hitachi Energy’s HVDC R&D team is seeking a Senior Engineer to develop advanced control strategies for MMC‑based and LCC HVDC systems, including MTDC configurations. You will design, test and optimize control algorithms and contribute to system‑level performance evaluations.

You will mentor junior engineers, help shape technology roadmaps, and collaborate with global teams. This role requires deep power electronics knowledge, strong modeling skills, and excellent English communication.

Job description

The Opportunity

Join our HVDC R&D team at Hitachi Energy and help pioneer the future of energy transmission. We are looking for a R&D Senior Engineer to contribute to the development of advanced control strategies for HVDC systems, including Modular Multilevel Converter (MMC) and Line Commutated Converter (LCC) technologies. This is a unique opportunity to work in a global, collaborative environment focused on innovation and technical excellence.

In this role, you will design and optimize control algorithms for MMC‑ and LCC‑based HVDC systems, including multi‑terminal HVDC (MTDC) configurations. You will also perform small‑signal stability analysis, harmonic studies, and transient simulations to ensure robust and reliable system performance. A key part of your responsibilities will be to lead system‑level dynamic performance evaluations and drive continuous improvements in control strategies. Additionally, you will mentor junior engineers and actively contribute to strategic technology roadmaps, helping shape the future direction of HVDC control systems and power electronics design.

How You Will Make An Impact

• Contribute to converter topology design, control and protection, and main circuit development for VSC HVDC and LCC HVDC systems.
• Perform insulation coordination, steady‑state and dynamic stability studies, harmonic analysis, and performance assessments under various conditions.
• Address evolving customer requirements with a strong stakeholder focus.
• Uphold our core values of safety, integrity, and responsibility.
• Collaborate in a supportive and agile team environment.
• Take ownership of both technology and your personal development.

Your Background

• PhD or MSc in Power Systems, Electrical Machines and Drives, or Power Electronics Control.
• Several years of experience in HVDC or FACTS technologies.
• Strong knowledge of MMC topologies and HVDC control systems.
• Experience in small‑signal stability analysis and transient simulations.
• Skilled in simulation tools: MATLAB, PSCAD/EMTDC, EMTP‑RV, and ideally Modelica, RTDS, Python, C/C++.
• Open‑minded, solution‑oriented, and collaborative with strong organizational skills.
• Proficiency in English is required.

What We Offer

• Collective agreement
• Flexible working time
• Health care and wellness allowance
• Fantastic career possibilities within Hitachi Energy both within Sweden and globally
• Mentor to support you throughout onboard phase
• Various trainings and education supporting employee development
• Diversified company with over 70 nationalities working in Sweden
• Supplementary compensation for parental leave
• Employee Benefit Portal with thousands of discounts and perks