Full-Time

Senior Firmware Engineer

Confirmed live in the last 24 hours

Lunar Energy

Lunar Energy

201-500 employees

Modular energy storage solutions for homeowners

Compensation Overview

$130k - $195k/yr

Senior

Mountain View, CA, USA

In Person

Category
Embedded Engineering
Software Engineering
Required Skills
C/C++
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.
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.
Desired Qualifications
  • 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.

Lunar Energy provides energy storage solutions specifically designed for residential clients. Their main product, the Lunar System, is a modular energy storage unit that homeowners can expand as their energy needs increase. This system allows users to store energy generated from solar panels, which can then be used during peak hours or power outages, ensuring a reliable power supply. Unlike traditional energy storage options, the Lunar System is user-friendly and integrates with an app that tracks energy usage and storage, helping users manage their consumption effectively. Lunar Energy differentiates itself from competitors by focusing on modularity and ease of use, making it accessible for homeowners who want to optimize their energy usage and reduce dependence on traditional power grids. The company aims to promote sustainability and energy independence, providing a solution that not only saves money on energy bills but also supports environmentally conscious living.

Company Size

201-500

Company Stage

Early VC

Total Funding

$300M

Headquarters

Mountain View, California

Founded

2020

Simplify Jobs

Simplify's Take

What believers are saying

  • Growing interest in virtual power plants enhances Lunar Energy's market opportunities.
  • Partnership with Sunrun boosts market penetration and customer acquisition.
  • User-friendly app design increases customer engagement and satisfaction.

What critics are saying

  • Competition from Ava Community Energy's VPP initiative may attract potential customers.
  • Supply chain disruptions at the Georgia factory could delay production.
  • Tesla's dominance in the residential battery market challenges Lunar Energy's growth.

What makes Lunar Energy unique

  • Lunar Energy offers a modular energy storage system for easy expansion.
  • The Lunar System integrates seamlessly with solar panels for energy independence.
  • Lunar Energy's app provides detailed energy usage reports for effective management.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

401(k) Retirement Plan

401(k) Company Match

Paid Parental Leave

Phone/Internet Stipend

Wellness Program

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

2%

2 year growth

3%
Funds Magazine
Apr 24th, 2025
Ava Community Energy Announces Ambitious Virtual Power Plant Initiative to Help its 2M Customers Optimize Their Energy Investments While Relieving Stress on the Grid

Ava Community Energy announces ambitious Virtual Power Plant initiative to help its 2M customers optimize their energy investments while relieving stress on the grid.

American Battery Technology Company
Aug 8th, 2024
How a network of ex-Tesla employees created $10 billion worth of U.S. clean-energy investments

Lunar Energy, for example, is working with SK, a South Korean manufacturing company,to make new home batteries at a Georgia factory.

PR Newswire
Jul 20th, 2023
Lunar Energy Awarded Two If Design Awards For Home Battery System

The Lunar System includes elegant hardware and intuitive software, making it simple to enjoy endless clean energyMOUNTAIN VIEW, Calif., July 20, 2023 /PRNewswire/ -- Lunar Energy , a new company powering homes around the world with endless clean energy, today announced it received two design awards for its Lunar System. The awards were granted at the International Forum (iF) Design Awards 2023, a globally recognized design competition.The Lunar System pairs with solar as an all-in-one battery solution that enables homeowners to make, store, and use their own clean energy. The Lunar System includes a comprehensive home battery system complete with an inverter, batteries, and an accompanying mobile app, which together provide homeowners the ability to lower and eliminate monthly energy bills and secure long-term grid independence.The Lunar Battery received the iF award in the Building Technology category for its modular, sleek design that can scale according to individual energy needs. The System was designed to be up to 50 percent more compact than existing solutions, reducing the visual clutter of today's energy storage systems while offering more flexibility on where they can be installed. It is also designed to enable grid independence by providing backup during power outages and severe weather conditions.The Lunar App, the company's mobile experience, received the iF award in the User Experience category for providing an intuitive interface for homeowners to monitor and manage energy consumption. The App not only keeps track of the weather and provides backup protection, but also serves as a proactive supersaver: helping people make money by using grid, solar and battery power when the costs are lowest."When we set out to engineer the Lunar System, we knew it would be a tall order to create something that was both extremely durable and beautiful," said Matt Jones, Head of Design at Lunar Energy

Financial Post
Jun 23rd, 2023
Sunrun, Lunar Energy to Challenge Tesla's Dominance in Residential Battery Market | Financial Post

(Bloomberg) — California startup Lunar Energy Inc. launched a home power storage system this week with Sunrun Inc. as its first installer in a bid to enter the residential battery market dominated by Tesla.

Energy Theory
Jun 23rd, 2023
Simplifying Solar: Lunar Energy Introduces a User-Friendly Home Battery System

The home battery backup company, Lunar Energy, introduced Lunar System, their first product.