**We are Generac, a leading energy technology company committed to powering a smarter world.** Over the 60 plus years of Generac’s history, we’ve been dedicated to energy innovation. From creating the home standby generator market category, to our current evolution into an energy technology solutions company, we continue to push new boundaries. Generac Clean Energy is dedicated to delivering revolutionary Battery Energy Storage Systems (BESS) for our residential customers to improve energy reliability and grid independence. Generac Clean Energy is looking for a motivated Firmware Engineer V to help create and support next generation energy storage designs. This role entails ownership of firmware implementation, validation, and ongoing fleet improvements. The candidate will show outstanding technical and organizational skills and be passionate about bringing sustainable energy to the world. Role is located in either our N. Billerica MA OR S. Portland ME office. **What You’ll Do:** + Develop, enhance and debug new and existing real-time firmware in C. Deliver high-quality code in a real-time embedded environment. + Design and implement functionality and behaviors of embedded subsystems. + Drive firmware development for performance, scalability, robustness, and tight integration with the hardware. + Design safety rated firmware to meet UL1998 or related standards. + Hands-on hardware bring up, build and execute component validation to deliver robust, functional code. + Leverage tools for electrical & controls simulation environments such as PLECS, Simulink or other **Minimum Requirements:** + BS in Engineering, Computer Science, Mathematics, Physics or proof of exceptional skills in related fields with practical firmware engineering experience. + Minimum of 8 years of relevant work experience + Demonstrated ability to deliver top-quality C code in a real-time embedded environment. + Excellent software fundamentals, including architectural design, algorithm development, data structures, code modularity, and maintainability. + Experience with test-driven development using unit testing, Familiarity with electrical test tools like scopes, meters, and power supplies. **Preferred Qualifications:** + Master Degree in related field + Multithreaded and RTOS experience. Experience with communication interfaces on embedded systems such as RS-485, CAN, SPI, I2C + Experience with software in the loop, or hardware in the loop methodologies. Our developers participate significantly in firmware testing, so a validation mindset is required. + Experience developing time-critical code using ADC, PWM for power controls, and battery management. + Desired to have experience in the development of embedded software compliant with formal safety certification processes such as UL1998 or similar. + Experience with Python for supporting tools and data analysis. + Familiarity with a Unix environment. + Proficient in standard source control tools like Git. \#LI-HR1 **Physical Demands** : While performing the duties of this job, the employee is regularly required to talk and hear; and use hands to manipulate objects or controls. The employee is regularly required to stand and walk. On occasion the incumbent may be required to stoop, bend or reach above the shoulders. The employee must occasionally lift up to 25 - 50 pounds. Specific conditions of this job are typical of frequent and continuous computer-based work requiring periods of sitting, close vision and ability to adjust focus. Occasional travel. _“We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.”_ Our success is directly tied to our employees’ professional growth and personal well-being, combined with strong families and communities. As an inclusive workplace, our employees embrace diversity, celebrate differences, and treat others with equality and respect. Over the 60 plus years of Generac’s history, we’ve been dedicated to energy innovation. From creating the home standby generator market category, to our current evolution into an energy technology solutions company, we continue to push new boundaries. As one of the leaders and largest suppliers of power generation equipment and technology, the work we do touches millions of lives. Employees at Generac are encouraged to be innovative and are valued as an integral part of our global team. Our challenging goals develop knowledgeable employees dedicated to helping continue Generac’s success. Generac provides individuals the opportunity to work in a fast-paced agile work environment where their work makes a difference in people’s lives and their own.