Power Electronics Control Engineer

Power Electronics Control Engineer (Software Engineer3)

Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians – put our hearts and minds into turning Wärtsilä’s purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game‑changing ideas and continuous improvement have been part of our DNA since 1834.

Together, we can create new business opportunities and a more sustainable future that we can all be proud of.

We want to transition the world toward a decarbonised, sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future‑oriented talent – want to join the ride?

In this hybrid role, you will work at the intersection of large‑scale power system modeling and detailed power electronics controls. You will develop dynamic models of inverter‑based Battery Energy Storage Systems (BESS) and hybrid solar‑plus‑storage plants using tools like PSCAD, DIgSILENT, and PSS/E. You will conduct grid integration and stability studies under relevant standards to ensure robust performance.

Concurrently, you will design, simulate, and implement advanced control algorithms for power converters and inverters. This includes capturing control strategies in MATLAB/Simulink and translating them into optimized embedded code (C, Python, or similar) for real‑time controllers. The successful candidate will bridge high‑level system simulations with hands‑on implementation, working in Wärtsila’s ESB Global Power Systems Engineering team to advance our renewable energy optimisation products.

• Dynamic System Modeling: Develop and validate detailed time‑domain models of battery storage systems and hybrid PV–BESS configurations in tools like PSCAD, DIgSILENT Power Factory, PSS/E. Use these models to simulate system behaviour under various operating conditions.
• Grid Code Compliance & Stability: Conduct grid interconnection studies to ensure designs meet standards (e.g., IEEE 1547, UL 1741, IEEE 2800). Perform stability and transient analyses on microgrids and utility‑scale systems to verify secure operation under disturbances.
• Power Electronics Modeling & Control: Create models of power electronic converters (multilevel, modular, etc.) and simulate their electrical dynamics. Develop and refine control strategies (e.g., vector control, grid synchronization, MPPT, protection schemes) for inverters and converters to meet performance and safety requirements.
• Controller Design & Implementation: Translate control concepts into working code. Implement control algorithms in MATLAB/Simulink and generate embedded C/Python code for microcontrollers or DSPs and optimise control software for reliability and efficiency.
• Embedded Systems Integration & HIL Testing: Integrate control software with real hardware platforms and perform Hardware‑in‑the‑Loop (HIL) simulations using platforms such as Typhoon HIL or OPAL‑RT. Validate converter prototypes and battery systems in lab tests, troubleshoot hardware issues, and refine models based on experimental data.
• System‑Level Design & FMEA: Contribute to the overall power system architecture. Participate in design reviews and conduct Failure Mode and Effects Analysis (FMEA) on system components and controls to identify potential failures and enhance reliability.
• Cross‑Functional
  
  Collaboration:
  
  Work closely with adjacent teams (hardware, firmware, software, data science) to align modelling, control, and implementation efforts. Collaborate with hardware testing engineers to refine models and incorporate lab findings into system design.

• Education: Pursuing or completed M.Sc. or Ph.D. in Power Systems, Electrical Engineering, Power Electronics, or a related field. Strong grasp of core electrical engineering principles (circuit theory, control, electromagnetics) is essential.
• Modeling
  
  Experience:
  
  Hands‑on experience modelling inverter‑based resources and…