Senior Software Solution Engineer

Senior Software Solution Engineer

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 for a more sustainable world for us all.

Whom We Need

We are seeking a Senior Software Solution Engineer to join solution team in Herndon, Virginia. This position will be 100% on site and relocation will be provided if needed. Simply put, an electrical engineer with a passion for state-of-art software development will be an ideal candidate for this position

• As part of the solution team, you will develop and deploy software & control technologies on our GEMS SW platform according to our solution standards and project requirements that solves electrical power and energy problems. You will often need to innovate to meet new challenges.

• When it comes to coding, you will most often code in Java, but will also involve JavaScript and Python languages from time to time.

• You will need to read decent amount of electrical engineering documents to understand the design and will develop technical documents of your own according to our standards.

• You will work closely with other electrical, mechanical and software engineers when delivering solutions to projects.

• As a senior engineer, you would mentor and guide junior members in the team. A small team leading ability is a plus.

• Up to 10% of time you will travel internationally to help commissioning your work at large solar, wind, energy storage or hybrid power plants.

Must Have

1. Candidate must have Bachelor's Degree in Engineering, but preferably in Electrical engineering.

2. Proficient in coding Java as the main programming language for over 5 years.

3. Passionate about renewable energy.

4. Attention to details and good time management skill. Ability to multi-tasking and engage multiple projects simultaneously

Optional and Preferred, but we can teach you if you are a fast learner.

• Knowledge of TCP/IP network communication devices and protocols

• Grasp of cybersecurity principles and practices in software products

• Experience or knowledge of SCADA standards and products

• Familiar with Linux OS and Docker technology

• Working experience with Modern software development management tools including JIRA, GIT and Confluence.

• Good understanding of data science and machine learning

Last application date: 11/12/2025

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:

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.

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