Job Description

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.

Wärtsilä Energy Storage & Optimization, a leading battery energy storage integrator, is seeking an experienced and motivated Senior Embedded Software Quality Assurance Engineer to join our team with a minimum 5 years of experience in embedded systems QA execution and methods as well as experience testing battery management systems. The ideal candidate will be responsible for ensuring the quality and reliability of our embedded software products through rigorous testing and validation processes. This exciting opportunity will allow you to contribute with your knowledge and passion in the development of cutting-edge technologies to aid on the Wärtsilä’s vision towards a 100% renewable energy future. The location for this position is Herndon, VA.

Educational Background/Requirement

• Electrical, Computer Engineering, or related field

Main responsibilities

• Develop and execute detailed test plans for embedded software systems applied to battery management systems and energy management systems for stationary battery applciations.
• Perform manual and automated testing to identify system vulnerabilities and quality problems.
• Collaborate with the development team to diagnose and resolve software defects.
• Analyze test results and report findings to relevant stakeholders.
• Lead the creation and maintenance of test documentation.
• Implement best practices in test automation and continuous integration processes.
• Stay up-to-date with new testing tools and test strategies.
• Collaborate with cross-functional teams for system testing, system reliability and product certification.

Desired Technical Skills:

• Proficiency in programming languages such as C/C++, Python, or Java.
• Battery Management Systems and Energy Storage Systems experience
• Experience with embedded systems and microcontroller architectures.
• Familiarity with software development lifecycle (SDLC) and QA methodologies.
• Strong knowledge of test automation frameworks and tools
• Experience with Hardware-in-the-loop (HIL) automated testing for embedded systems
• Knowledge of industry standards for functional safety and software quality
• Experience with Continuous Integration/Continuous Deployment (CI/CD) pipelines.
• Familiarity with Agile development methodologies.
• Experience with Matlab/Simulink
• Software Tools: Practical usage of software management tools like Git, Bitbucket, and Jira.
• Working knowledge of safety and reliability standards like IEC 61508, ISO26262 and reliability methodologies such as Fault Trees, RBD, STPA, and FMEA.
• Familiarity with Communication Protocols: such as RS485, CAN, MODBUS TCP, OPC UA, Ethernet, TCP/IP, UDP, and is preferred.
• Documentation: Experience generating technical documentation and potentially authoring internal or external publications.

Desired Soft Skills:

• Excellent written and oral communication skills
• Strong organizational skills
• Attention to detail
• Ability to work independently and in a team
• Excellent analytical and problem-solving skills.

Last application date: 30/05/2025 

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:

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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