Axon

Senior Firmware Engineer I - Batteries

Axon
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1 month ago
USA (city not specified)Senior
H1B sponsor

Base Salary

$141k - $226k/yr

Responsibilities

  • Implement and verify firmware for battery safety, fuel gauging, accelerated charging, thermal management, battery de-rating, and battery health.
  • Develop embedded Linux user-space power-management daemons and firmware patches for USB-C subsystems and Qualcomm SoC PMICs.
  • Implement fleet-wide battery metrics, Splunk dashboards, alerting, and AI-assisted analysis across more than 500,000 devices.
  • Diagnose customer-returned products, analyze logs, and deliver failure-analysis reports with remediation steps.
  • Support battery runtime profiling using Joulescopes and automated test systems.
  • Build battery-focused automated test fixtures and expand validation coverage across charger, temperature, and battery-pack permutations.
  • Write battery test plans, design documents, pull requests, and architecture diagrams, and collaborate with electrical battery engineers and vendors.

Requirements

  • Bachelor of Science in Computer Engineering, Electrical Engineering, or equivalent.
  • 8+ years of industry firmware or embedded experience developing on battery-powered IoT products.
  • Experience with battery and power-management subsystems, battery safety and thermal behavior, bootloaders, and system-on-chips.
  • Programming experience with C, C++, Rust, Golang, and/or Python.
  • Ability to read datasheets and schematics and use electrical lab bench equipment to diagnose firmware-hardware boundary issues.
  • Experience with kernel and user-space embedded Linux, Yocto, OpenWRT, or other embedded distributions for board support packaging.
  • Strong understanding of computer architecture, peripherals, operating systems, concurrency, and networking concepts.
  • Experience with technical writing, architecture diagramming, data-driven engineering, and hands-on AI coding and analysis tools.

Benefits

  • Competitive salary, 401k with employer match, discretionary paid time off, paid parental leave, medical, dental, and vision plans.
  • Fitness programs, emotional and mental wellness support, learning and development programs, and office snacks.
  • Hybrid schedule based in Seattle or Scottsdale: onsite Tuesday through Friday and remote Monday, subject to approved accommodation.
  • Candidates near Boston, Brussels, Tampere, or Greater Romania may also be considered upon request.

Tech Stack

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Axon

About Axon

5,001-10,000 employees

Axon builds TASER energy devices, body and in-car cameras, sensors, and a cloud software suite for managing evidence, records, and real-time operations used by law enforcement, public safety agencies, and enterprises. Revenue comes from hardware sales bundled with SaaS subscriptions and services across its Axon Evidence and Records platforms. Founded in 1993 and headquartered in Scottsdale, Arizona, Axon Enterprise is a NASDAQ-listed public company serving police departments and government customers globally.

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