Senior Firmware Engineer Jobs

Lunar Energy

Location:
United States, Mountain View

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

130000.00 - 195000.00 USD / Year

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Job Description:

Embedded/Firmware Engineers at Lunar will be responsible for the full product development lifecycle of our products’ firmware and software, which are important sources of functionality, adaptability, and optimization of our designs. We are looking for people who are passionate about a more sustainable future, and want to make that vision a reality. An ideal candidate is excited and ready to collaborate closely with a dedicated, cross-functional team to deliver innovative, best-in-class products. Engineers at Lunar are hands-on and involved in all aspects of the product, and own the design from forming concepts based on first principles to managing high-volume production quality. Lunar Energy was founded to transition homes to 100% clean energy—making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We’re a fast-growing, global company building the world’s best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants.

Job Responsibility:

Work collaboratively with other disciplines across the company to continuously refine and improve our understanding of how our products can create the greatest impact, get to market quickly, and operate reliably for our customers
Help us create the best possible products by brainstorming and evaluating new features and solutions and weighing pros and cons to narrow down options
Test ideas and designs: back-of-the envelope calculations, building simulations and designing validation tests
Design firmware software that runs in our home energy product components: Power electronics controls, system-level behaviors and optimization, mobile app design and interfaces, system diagnostics and updates, RF and powerline communication protocols, control algorithms, and installation automation features
Optimize manufacturing by designing automation support functionality in our components whose design reflects the part they play in the processes that create them and test them, and by supporting our features within our manufacturing partners

Requirements:

Degree in a computer-engineering related or adjacent field, or demonstrated commensurate ability
7+ years experience delivering firmware for new products as part of a team
Proficiency in C, and working familiarity with Cmake
Ability to explain and communicate about technical concepts with engineers in a variety of fields

What we offer:

Medical, dental, and vision insurance for employees and dependents
Flexible Paid Time Off plus 10 paid holidays
Tax deferred 401(k) plan
Paid parental leave for all full time employees including 12 weeks paid parental leave for the birthing mother and 6 weeks paid parental leave for the non-birthing parent
Subsidized EV charging and pre-tax commuter benefits

Additional Information:

Job Posted:
December 10, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Firmware Engineer