Staff Embedded Software Engineer, ESS  

Location: Burlingame, CA (Onsite)  

Department: ESS Engineering  

Position Type: Full-time  

Reports to: Senior Manager, Software Engineering 

About the Company  

Peak Energy is the first American venture to advance globally proven sodium-ion battery systems as the storage standard for the new era of renewable energy on a resilient grid.  

Sodium-ion is cheap, readily available, and safe — making it the leading contender in a rapidly evolving market.  

Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, SunPower, and Fluence. We are backed by strategic investment and product partners including TDK Ventures, Eclipse Ventures, and GM Ventures.  

We recently announced America's first sodium-ion grid storage factory in Sacramento with production starting Q1 2027, and over $1B in signed customer commitments including Jupiter Power and Energy Vault.  

About the Role  

Peak Energy is looking for an Embedded Software Engineer to to design, develop, and deploy firmware for our grid-scale battery energy storage systems. In this role, you'll work closely with hardware and systems engineering teams to develop reliable, real-time embedded software, validate hardware designs, and support products from early prototypes through commercial deployment. You'll play a key role in shaping our embedded software architecture as we scale our technology and bring new energy storage solutions to market.

What You'll Do:   

• Design and implement real-time, C++, RTOS-based firmware targeting microcontrollers.  

• Understand, code, and use microcontroller hardware to meet functional safety requirements.  

• Create firmware for embedded prototypes to validate hardware design choices and accelerate firmware development.  

• Verify and support the integration of your code.  

• Assist with the definition of requirements.  

• Support products deployed to the field.  

• Participate in hardware and software design reviews.  

• Adhere to modern disciplined development practices such as Clang-based linting, consistent formatting, thoughtful naming, and clear commenting.  

What You’ll Bring (Minimum Qualifications):   

• Extensive experience writing firmware and software code in C++ or at least one similar systems programming language 

• Have shipped at least one commercial or industrial hardware product.   

• A degree in science, engineering, or a related field.   

• 8+ years of professional engineering experience.   

• Experience writing firmware for real-time embedded systems.   

• Experience designing complex software that coordinates several disparate functions.  

• Experience using Linux as a development environment and test platform.  

• Experience configuring build tools such as CMake/Make.  

• Experience with Git, GitHub, Dagger, Docker, or similar CI tools.  

• Eligibility to work in the United States.   

Our Core Values   

Speed Through Focus: Prioritize what matters most and execute quickly without distractions.   

Mission Over Self: Put the company's mission and team success ahead of individual interests.   

Face the Brutal Truth: Embrace honesty, even when it’s uncomfortable, to make informed decisions.   

Be a Good Person: Treat everyone with respect and integrity, fostering a positive and ethical work environment.   

Compensation & Benefits  

The salary range for this role is $190,000 - $260,000, with actual pay varying based on work location, experience, and skills. Our competitive benefits package includes:  

• Flexible time off  

• Comprehensive medical, dental, and vision coverage  

• Strong 401(k) plan  

• Equity opportunities  

• Many great work perks  

Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!  

At Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company's full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.