Power Systems Engineer (Temporary) (Herndon, VA, US) at Wärtsilä
Wärtsilä · Herndon, United States Of America · Hybrid
- Junior
- Office in Herndon
Wärtsilä Energy Storage & Optimization (ES&O) is the leading global energy storage optimizer. Our mission is to deliver integrated energy solutions that build a resilient, intelligent, and flexible energy infrastructure - unlocking the way to an optimized renewable future. By integrating renewables, energy management technology, and storage with traditional energy resources, we reinvent clean energy production from the largest and most complex grids to the most remote and essential microgrids. We play a key role in Wärtsilä’s vision towards a 100% renewable energy future through flexibility, reliability, and integration and a more sustainable world for us all.
We are looking for a Temporary Power Systems Engineer (12-month contract) to contribute to the development of our power systems modeling tools. This role focuses on dynamic modeling of battery energy storage systems (BESS) in software like PSCAD, supporting grid code analysis and stability assessments of hybrid BESS + solar PV systems.
The successful candidate will join our Simulation and Data Science team in a Research and Development capacity, supporting the evolution of our software capabilities and new product development in automated power system optimization.
This position will be based in Herndon, VA and will be hybrid.
Key Responsibilities:
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Develop and implement dynamic models for BESS.
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Transform data models and algorithms into software, conducting simulation tests to evaluate effectiveness.
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Collaborate with the hardware testing team to refine battery system modeling.
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Conduct grid code compliance studies.
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Enhance internal models and tools to facilitate faster product development.
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Document improvements to algorithms and models, explaining the structure and rationale behind new methods.
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Adapt to additional tasks outside the defined job scope as needed in a fast-paced, dynamic work environment.
Qualifications:
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Currently pursuing a M.Sc. or Ph.D. degree in Power Systems Engineering, Electrical Engineering, or a related field.
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Solid understanding of electrical engineering principles.
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Experience in modeling inverter-based resources.
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Familiarity with modeling tools such as PSCAD and DIgSILENT.
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Ability to work independently.
Desired Skills:
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Experience with code-based modeling in PSCAD, PSS/E, and DIgSILENT.
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Proficiency in Python and Fortran.
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Strong attention to detail and follow-through on tasks.
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Clear communication skills, with the ability to seek assistance when needed.
Additional Information: This role offers the opportunity to gain hands-on experience in power system optimization and modeling within a supportive and dynamic environment. If you’re ready to contribute to a renewable future, we encourage you to apply.
Last application date: 14/10/2025
Candidates for regular U.S and Puerto Rico positions must be a U.S. citizen, national, or an alien admitted as permanent resident, refugee, asylee with valid work permit or temporary resident under 8 U.S.C. 1160(a) or 1255a(1). Individuals with temporary visas such as E, F-1, H-1, H1B, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.
Individuals hired for positions that require on-site customer interactions and/or in-person travel may be required to be fully vaccinated against COVID-19 or other country-specific vaccinations, unless otherwise prohibited by law.
Wärtsilä North America values our employees. We offer a competitive salary and comprehensive benefits package. Wärtsilä North America is an EOE/AA employer.
At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.
Effective January 2025, Wartsila companies in the USA have implemented a new hybrid work model. Most employees who live within 40 miles of an office will work 2 days per week in office. This model will provide our employees the flexibility of working from home, while also providing the benefits of in-person collaboration twice a week. We will be happy to provide more information during your interview process.
Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.
This is Wärtsilä
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.
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