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Herndon, VA, US

Function:  Digital Technology & Innovation
Job Category:  Digital Technology and Open Innovation

Power Systems Intern


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 with smart technology, and our Smart Marine and Energy visions 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 are transitioning the world towards a cleaner future. By pushing the boundaries of engineering and technology, we make it work. We are always on the lookout for future-oriented talent - want to join the ride?



Role Summary/Purpose


The primary function of this role is to advance the development of our electrical and power systems modeling tools. The Power Systems Intern is expected to show solid theoretical background in dynamic modeling of inverter-based resources and power systems. The intern will mainly focus on dynamic modeling of battery energy storage systems (BESS) in MATLAB Simulink or similar software tools and the grid-code and stability analysis of BESS + solar PV systems. The candidate should have strong hands-on experience using MATLAB Simulink and EMT tools such as PSCAD for dynamic modeling and simulation. Prior practical experience with modeling inverter-based resources is a must-have. The Intern will be an integral part of the Simulation and Data Science team in a Research and Development role, working to accelerate the development of our software capabilities while supporting new product development initiatives in the field of automated power system optimization.



Essential Responsibilities

  • Develop, implement, and leverage dynamic models of battery energy storage systems.
  • Turn data models and algorithms into software and evaluate model effectiveness by conducting simulation tests
  • Work with our hardware testing team to leverage data related to detailed battery system modeling
  • Improve internal models and tools to facilitate rapid product development
  • Write documentation on algorithm and model improvements to clearly communicate the structure of new methods and implementations, including justification
  • Support tasks outside of job description as needed
  • The candidate must be able to embrace the fast and dynamic environment of a growth stage company, and comfortable with adjusting quickly to changing priorities.




  • Currently pursuing a degree in power systems engineering, electrical engineering, or a related field.
  • Concrete understanding of electrical engineering principles
  • Experience modeling inverter-based resources
  • Familiarity with MATLAB Simulink and PSCAD
  • Can work independently and provide strong leadership



Desired Characteristics

  • Familiarity with code-based modeling in PSCAD, PSS/E, DIgSILENT software
  • Proficiency in Python and Fortran.
  • Attention to detail and ability to follow through to complete tasks
  • Clear communication skills for the ability to connect the dots and acquire help from the team as needed



Why you and us


You will be a part of a global organization with local presence and work in an exciting and dynamic working environment with highly motivated and skilled co-workers. We offer interesting and challenging work tasks, as well as personal and professional development in a great team.


If you feel excited by being a part of this working environment and think your personal skills and qualities match the job requirements, we look forward to receiving your job application.


Successful applicant must be authorized to work in the USA without sponsorship.


We look forward to hearing from you. Qualified candidates must apply online:


Wärtsilä North America values our employees. We offer a competitive salary and comprehensive benefits package.   Wärtsilä North America is an EOE/AA employer.


Vaccination is a vital tool to reduce the presence and severity of COVID-19 cases in the workplace, in communities, and in the nation as a whole. The spread of COVID when working in customer facilities and project sites can lead to costly site shutdowns, for which Wärtsilä could be deemed financially responsible. Many local government authorities require proof of vaccination to enter the state or country, and many of our customers require proof of vaccination to be on a project site. In line with legal regulations Wärtsilä has implemented a COVID-19 policy on vaccination and testing to reduce the risk of transmission on Wärtsilä premises. Wärtsilä strongly encourages all employees to be vaccinated to protect themselves and other employees.




Nearest Major Market: Washington DC