Senior Firmware Engineer I - Batteries

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and ...

Life at Axon is fast-paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter.

Contribute to AIoT Device-level Firmware Infrastructure as part of the Platform & Firmware development team and advance Axon’s mission to Protect Life. The Platform Firmware supports all of Axon’s Camera-based products, Robotics, key ownership of the Cellular LTE Link, Automated Test Systems for organizational Engin...

Implementation and verification of Firmware for Battery Safety logic
Implementation and verification of Firmware for Battery Fuel-Gauging logic, including when working with multiple batteries that work together to create a composite Fuel Gauge 0 - 100% value
Implementation and verification of Firmware for Accelerated Battery Charging with Thermal considerations
Implementation and verification of Firmware for De-rating Batteries to achieve State of Health RMA targets
Implementation and verification of Firmware for eLinux User-space daemons that override Power Management and leverage Qualcomm System-on-Chip PMICs
Implementation and verification of Firmware patches for USB-C sub-systems where power is routed through when customizations are required for battery charging and related topics (e.g., moisture detection)
Implement fleet-wide battery metrics across 500K+ devices with Splunk dashboards and alerting, using AI-assisted analysis to spot degradation trends and anomalies faster than manual review allows
Diagnose and debug products RMA'd by Axon's customers, using AI tools to triage logs and draft findings, and deliver accessible failure analysis reports with remediation steps to Leadership
Collaborate heavily with Battery Engineers in the Electrical Engineering on any/all Battery topics; including meetings with APAC Battery vendors
Support Battery Runtime Profiling with breakdowns of any/all products supported by Axon both via Joulescopes and Automated Test Systems (ATS)
Write concise Battery Test Plans for HW Verification and Validation Engineers
Build and advance Axon R&D's Automated Test Systems (ATS) with custom battery-focused hardware fixtures, using AI to widen coverage across charger, temperature and battery-pack permutations so releases from Axon or 3rd parties don't introduce regressions
Write and review Design Docs and Pull Requests, including AI-generated code, and hold it to the same bar as your own
Be a Team Player, Mentor, Strong Communicator and be ready and willing to support the Team when needed

B.S. in Computer Engineering, Electrical Engineering or equivalent
Experience with Battery and Power Management sub-systems, Safety and Thermal
Experience in programming with C, C++, Rust, Golang and/or Python
Real-world Industry Firmware or Embedded experience of 8+ years developing on Battery-powered IoT products
Experience with Boot-loaders
Experience with System-on-Chips (SoC)
Ability to read Datasheets and Schematics
Experience and ability to use electrical lab bench equipment to profile and diagnose firmware-hardware boundary issues
Experience with concise Technical Writing and Architecture Diagramming
Strong understanding of Computer Architecture and Peripherals
Strong understanding of Operating Systems, Concurrency and Networking concepts
Experience with both Kernel and User-space Embedded Linux with exposure to Yocto, OpenWRT or other Embedded Distros for Board Support Packaging (BSP)
A mindset for Data-driven Engineering Excellence
Daily, hands-on use of AI coding and analysis tools in your engineering work, with the judgment to know when their output can't be trusted