Senior Firmware Engineer - RF/Embedded for Smart Livestock

Halter is seeking a Senior Firmware Engineer to lead the radio and wireless firmware for our cattle-tracking collars. You will own the RF stack across 4G/5G (3GPP), LoRa, Wi-Fi/HaLow, Zigbee, and other RF protocols, ensuring reliable, low-power operation in field conditions.

You will design and ship new features, manage firmware lifecycle from design to deployment, and mentor peers while collaborating with cross-functional teams to deliver mission-critical updates at scale.