Wärtsilä Energy Storage 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 seeking a staff-level software engineer to join our software team. This position will be hybrid and located in our software development centre in Herndon, VA, USA. This position is within the Cloud Product group where we develop products that are deployed around the world involving battery system modelling, battery system monitoring, islanded grid control, renewable energy forecasting, and electricity market bidding.

Role Summary/Purpose This role's main function is to advance the development of our Battery Energy Storage Systems modelling platform and tools. You will lead the productization and development of several web application UIs (User Interface) and middle tier API services. As we transition from our MVP (Minimum Viable Product) phases, we are looking for someone to help drive solid technical plans to lay a foundation for resilient, scalable, production-ready applications to help empower our customer workflows globally.

Essential Responsibilities • Execute our vision for the next evolution of our energy bidding platform, and cloud offering energy site management application. • Design systems and pipelines processing mass amounts of data in near real time • Design APIs for internal and external consumption in a secure manner • Lead our team in refining better practices and solid foundations for our applications to grow out of MVP phase into a mature application, while balancing feature delivery alongside these improvements. • Collaborate with cross-functional teams, and helping product & stakeholders understand the technical trade-offs and value associated with their next roadmap phase requests. • Identify methods for improving performance within the context of the business logic and key performance indicators. • Write clear, simple user facing documentation to communicate the structure of the tool and how each feature can be leveraged. • Bring a keen eye for well thought out user experience and workflow, to transition feature requests into fully formed Ideas that address customer needs effectively • 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, comfortable with adjusting quickly to changing priorities.

Qualifications/Requirements • B.S. or M.S. in Computer Science, Engineering, Physics, Applied Math, or similar • Proficient in Node.js, Typescript and React • Experience with Docker and Kubernetes deployment technologies • Can work with a team of engineers and provide strong leadership

Desired Characteristics • Google Cloud Platform experience• Big data pipelines and architecture • OIDC and application security • Java, Typescript, and React • Docker and Kuberenetes • Strong communication skills within engineering as well as partner organizations & their roles

Last application date: 18/08/2025

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. 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.

We are not accepting unsolicited submissions from 3rd party recruitment agencies. Successful applicant must be authorized to work in the USA without sponsorship. We look forward to hearing from you. Qualified candidates must apply online: https://www.wartsila.com/careers

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.

Effective January 2025, Wartsila companies in the USA will implement 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.

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