Lunar Energy · 4 months ago
Senior Firmware Engineer
San Francisco, CA
Full-time
Onsite
Senior Level
$130K/yr - $195K/yr
7+ years expLunar Energy is a fast-growing company focused on transitioning homes to 100% clean energy. They are seeking a Senior Firmware Engineer to manage the full product development lifecycle of firmware and software, collaborating with a cross-functional team to deliver innovative clean energy products.
Clean EnergyCleanTechElectrical DistributionEnergy ManagementRenewable Energy
Responsibilities
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
Qualification
Required
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
Benefits
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
Company
Lunar Energy
Lunar Energy powers homes around the world with endless clean energy.
201-500 employees
H1B Sponsorship
Lunar Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (11)
2023 (12)
2022 (12)
2021 (3)
Funding
Current Stage
Growth StageTotal Funding
$300M2023-11-03Series C
2022-08-24Series Unknown· $300M
Leadership Team
Kunal Girotra
Founder & CEO at Lunar Energy
Recent News
2025-09-09
citybiz
2025-06-12
Company data provided by crunchbase