Firmware Engineer II

Generac

Firmware Engineer designing energy storage systems with a focus on power electronics for Generac. Developing firmware and control algorithms to enhance energy reliability and grid independence.

Posted 4/29/2026full-timeNorth Billerica • Maine, Massachusetts • 🇺🇸 United StatesJuniorMid-Level💰 $94,800 - $122,800 per yearWebsite

Tech Stack

Tools & technologies

PythonRTOSUnix

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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

Benefits

Comp & perks

medical, dental and vision plans
life, long-term disability, flexible spending and health savings accounts
accrued paid time off
eight paid holidays
401(k) retirement benefits

ATS Keywords

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Hard Skills & Tools

control algorithmsfirmware developmentC programmingembedded systemsmultithreadingRTOStest-driven developmenttime-critical codeADCPWM

Soft Skills

collaborationcommunicationaccountabilityproactivityownership

Certifications

BS in EngineeringBS in Computer ScienceBS in MathematicsBS in PhysicsUL1998 compliance