Firmware Engineer II

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 Home is dedicated to delivering state of the art Battery Energy Storage Systems (BESS) for our residential customers to improve energy reliability and grid independence. Generac Home is looking for a Firmware Engineer with experience or desire to grow in the area of Power Electronics to help create next generation energy storage designs. This role entails ownership of firmware implementation, validation, and ongoing fleet improvements. The candidate should demonstrate solid technical and organizational skills and be excited about bringing sustainable energy to the world. 

Located onsite in North Billerica, MA (alternate So. Portland, ME).

What You’ll Do: 

• Develop control algorithms for switch mode power electronics. 
• Drive power electronics, communications, and battery design architecture with a firmware focus. 
• Develop, enhance and debug new and existing real-time firmware in C. 
• 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. 
• Utilize Claude code to efficiently build modules, testing and general tooling to maximize efficiency 

Minimum Requirements:

• BS in Engineering, Computer Science, Mathematics, Physics  
• At least 2 years of relevant work experience with power converters or embedded systems.

Preferred qualifications

• Experience with switch mode power electronics including: inverters, DC-DC converters, power management, power conversion and control   
• Excellent software fundamentals, including architectural design, algorithm development, data structures, code modularity, and maintainability. 
• Multithreaded and RTOS experience. Experience with communication interfaces on embedded systems such as RS-485, CAN, SPI, I2C is desired. 
• Experience with test-driven development using unit testing, software in the loop, or hardware in the loop methodologies. Our developers participate significantly in firmware testing, so a validation mindset is required. 
• Familiarity with electrical test tools like scopes, meters, and power supplies. 
• Desired to have 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. 
• Desired to have Python experience for supporting tools and data analysis. 
• Familiarity with a Unix environment. 
• Proficient in standard source control tools like Git. 
• Engaged, proactive, and positive when taking on challenging tasks, owning assignments 
• High accountability for personal and overall team success. 
• Ability to collaborate and communicate complex technical concepts.

Generac is committed to fair and equity compensation practices. The salary range for this role based in N. Billerica MA is $94,800 $122,800. Final compensation for this role will be determined by various factors such as a candidate's relevant work experience, skills, certifications and geographic location. This position includes a comprehensive benefit package that includes medical, dental and vision plans; life, long-term disability, flexible, spending and health savings accounts, accrued paid time off, eight paid holidays in 401(k) retirement benefits.

At this time position is not approved for OPT or H1B sponsorship or transfer.

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.”