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Lunar Energy

Modular energy storage system for homes

Electrical Engineer

Board & Electronics DesignConfirmed live in the last 24 hours
ContractMountain View, CA, USA$43 - $67 /hrIn-person

About the Job

Requirements

  • Three years of experience in power electronics design.
  • Experience with battery management systems, inverters, or charging systems.
  • Proficiency with Altium Designer schematic capture and PCB layout, and experience working with PCB fabrication and assembly houses.
  • Strong laboratory skills and working knowledge of tools and techniques for power conversion testing and analysis, including oscilloscopes, impedance analyzers, sources, and loads, in environments with high voltages, high currents, and high common-mode and differential-mode noise.
  • Experience working with high voltage, current, and power.
  • Proficiency in prototyping and rework, including conduction and hot-air soldering, paste and flux application, and cleaning.
  • Familiarity with embedded control and the application and programming of microcontrollers and programmable logic devices.
  • Knowledge of analog circuit design, including operational amplifiers, stability analysis, and linear and switching power-supply design.
  • Knowledge of mixed-signal design, particularly noise analysis and grounding techniques.
  • Good debugging and troubleshooting skills down to the component level.

Responsibilities

  • Contribute to product-level features, design, and vision.
  • Perform detailed design of tester interface boards for Internet of Things devices, power electronic systems, DC/DC converters, and inverters.
  • Bring up and test systems to validate functionality, optimize performance, and evaluate critical characteristics.
  • Collaborate to create efficient test and validation mechanisms for individual PCB assemblies and the complete system, and support development of custom test cards and apparatus.
  • Work with the mechanical cross-functional team on a bed-of-nails fixture.
  • Work across mechanical, thermal, reliability, and firmware engineering functions to optimize the product.
  • Own the electrical aspects of the system from design through prototype, validation, and manufacturing.

About the Company

Lunar Energy

Modular energy storage system for homes

What Lunar Energy does: It sells a modular residential energy storage system called the Lunar System that stores energy from solar panels for use during peak hours or outages, helping homeowners maintain power and save on bills. How the product works: The system is built from expandable storage modules that can be added over time, charges from solar energy, and is paired with an app that shows energy usage, storage levels, and analytics while integrating with home solar setups. How it differs from competitors: It emphasizes scalable expandability, easy solar integration, and partnerships with solar installers who offer the Lunar System as part of their service, combining hardware with software for monitoring. The company’s goal: Enable environmentally conscious homeowners to achieve energy independence, lower energy costs, and stay powered during outages.

Company size
201-500
Company stage
Series D
Total funding
$532M
Headquarters
Mountain View, CA
Founded
2020

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