Senior Firmware Engineer - Wireless Comms (Energy Tech)

Lunar Energy, Inc.; Mountain View, Northern (CA, KY); Hybrid; USD 120,000 - 175,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) plan

Parental leave

EV charging subsidies

Commuter benefits

Job summary

Lunar Energy, Inc. is seeking a Senior Firmware Engineer for Communications in Mountain View, CA. You will own firmware development across power electronics controls, system-level behaviors, and communication stacks for home energy products.

The role requires deep experience in embedded C/C++, WiFi/BLE, CAN, and TCP/IP, plus collaboration with a cross-functional team to deliver reliable, scalable solutions. We offer competitive pay, equity, and strong benefits.

Qualifications

• 5+ years delivering firmware for new products within a team.
• Experience with CAN, Protocol Buffers, and embedded Ethernet stacks.
• Proficiency in C/C++, Python, and build tools like CMake.

Responsibilities

• Design firmware for home energy product components, including controls and diagnostics.
• Develop and test firmware through simulations and validation tests.
• Collaborate with cross-functional teams to deliver reliable, 24/7 communications.
• Optimize firmware for manufacturability and testing at scale.

Skills

Firmware development

C/C++ programming

Python scripting

Wireless communication

Education

Bachelor's degree in computer engineering or related field

Tools

esp-wifi-mesh

TCP/IP

Oscilloscopes

Logic analyzers

Job description

Lunar Energy, Inc. is seeking a Senior Firmware Engineer for Communications in Mountain View, CA. You will own firmware development across power electronics controls, system-level behaviors, and communication stacks for home energy products.

The role requires deep experience in embedded C/C++, WiFi/BLE, CAN, and TCP/IP, plus collaboration with a cross-functional team to deliver reliable, scalable solutions. We offer competitive pay, equity, and strong benefits.