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Herndon, VA, US Melbourne, FL, US Fort Lauderdale, FL, US Emeryville, US Annapolis, US San Diego, CA, US Poway, US Kirkland, WA, US Orlando, US York, PA, US Huntington Beach, CA, US Harvey, LA, US Harvey, US Chesapeake, VA, US Houston, US

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

Software Engineer

Wärtsilä Energy Storage & Optimisation (ES&O) is the leading global energy storage provider. 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 seeking a mid-level software engineer to join our growing software team. This position can be remote or located in our software development center in Herndon, VA, USA.


This position is within the Data Science group where we develop products that are deployed around the world involving microgrid control, renewable energy forecasting, electricity market bidding, and battery system monitoring.



  • Write clean and tested code that can be maintained and extended by other software engineers and data scientists
  • Work with the team to deploy, monitor, and debug python applications
  • Help us turn R&D projects into robust and standardized products



  • Proficient in Python
  • Proven ability to develop and debug production software systems
  • Experience working in an agile development environment using common tools such as JIRA and Git


Nice to have

  • Experience with Docker and Kubernetes
  • Experience with Google Cloud Platform
  • Experience with machine learning and optimization
  • Interest in energy storage, power systems, electricity markets


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: http://www.wartsila.com/en/careers/vacancies.


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


Last application date: 28/09/2021

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.

This is Wärtsilä

Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. In 2020, Wärtsilä’s net sales totalled EUR 4.6 billion with approximately 18,000 employees. The company has operations in over 200 locations in more than 70 countries around the world. Wärtsilä is listed on Nasdaq Helsinki. Find out more at www.wartsila.com

Nearest Major Market: Washington DC