Herndon, VA, US

Function:  Research & Development
Job Category:  Research & Development

Sr. Embedded Software Engineer - Chinese Speaker

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.


Wärtsilä Energy Storage & Optimization, a leading battery energy storage integrator, is seeking an experienced and motivated Senior Embedded Software Engineer to join our team with a minimum 8 years of experience in embedded software engineering. 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.


Educuational Background/Requirement

• Electrical, Computer Engineering, or related field


Desired Technical Skills:

• Embedded System Programming: Experience programming in C, C++, and Assembly for common TI, ARM and PIC processors

• High-level Languages: Working Familiarity with Python, VBA, JavaScript, SQL, and HTML.

• Mathematical Computing: Experience with MATLAB and related products like Simulink and Stateflow for simulation and modeling tasks.

• Software Tools: Practical usage of software management tools like Git, Bitbucket, and Jira. Experience with GNU build tools, cross-compilers, and Docker for containerization.

• Embedded Interfaces: Experience developing low-level device drivers for hardware peripheral interfaces such as SPI, I2C, USART, JTAG, GPIO, ADC and USB.

• RTOS and Frameworks: Programming knowledge of Operating Systems like TI-RTOS, Linux for embedded targets and VxWorks. Familiarity with frameworks like Embedded Coder from Mathworks.

• Safety and Reliability Standards: Working knowledge of safety standards like IEC 61508 and reliability methodologies such as Fault Trees, RBD, STPA, and FMEA.

• Coding Standards: Experience adhering to coding guidelines and standards like MISRA-C and SEI CERT C.

• Systems Engineering: Understanding of systems engineering principles, requirements gathering, analysis, and validation, including familiarity with Model-Based Systems Engineering tools.

• Test Automation: Experience with software quality assurance including unit and integration test development, and code inspection and reviews.

• Hardware Familiarity: Working knowledge of digital and analog circuits, PCBs, IC datasheet analysis, and usage of hardware testing equipment like oscilloscopes and power supplies.

• Communication Protocols: Additional expertise in communication and web protocols within the context of embedded systems such as RS232, RS485, CAN, MODBUS, OPC, Ethernet, TCP/IP, UDP, and HTTP is preferred.

• Documentation: Experience generating technical documentation and potentially authoring internal or external publications.

• Agile Methodology: Experience with Agile development practices and principles is a plus.

• Battery Management Technologies: Understanding of battery management and control systems will be considered a plus.


Desired Soft Skills:

• Excellent written and oral communication skills

• Strong organizational skills

• Attention to detail

• Ability to work independently and in a team



• Develop and maintain embedded software solutions for battery management systems (BMS) and interfaces to the Energy Management System (EMS).
• This role will lean towards development of middleware and embedded communication interfaces to higher layer applications and client applications, such as EMS, as well as internal BMS components.

• Support software architecture design, requirements analysis, interface definition.

• Support interface to integrate model-based automatically generated code in embedded platform

• Conduct system validation and verification supported with automated tools.

• Collaborate with cross-functional teams for system integration and product certification.

• Ensure system reliability and functional safety compliance.

• Support network infrastructure development in an embedded system platform over embedded Linux or RTOS: Ethernet TCP/IP, Modbus TCP, OPC/UA

• Evaluate and implement BMS mathematical algorithms, machine learning and AI solutions in resource-limited embedded systems.



Last application date: 11/12/2023 


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: https://www.wartsila.com/careers


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.






Nearest Major Market: Washington DC