Samsara

Staff Firmware Engineer

Samsara
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2 months ago
Remote, United StatesStaff+
H1B sponsor

Base Salary

$162k - $290k/yr

Responsibilities

  • Evaluate hardware components, including SoCs, flash, RAM, and sensors, and validate choices on prototypes
  • Bring up new hardware platforms by configuring I/O, enabling SPI, I2C, UART, and BLE, debugging system initialization, and validating designs
  • Develop peripheral drivers, secure bootloaders, device firmware updates, power-management layers, and connectivity-management layers
  • Optimize protocols and hardware management for long battery life in sensors and gateways
  • Collaborate with product, full-stack, mobile, electrical, cloud, and quality engineers to deliver complete products
  • Design systems that collect sensor data, detect meaningful events, and structure recorded data for efficient analysis across devices
  • Lead technical work and provide designs, reviews, and guidance that raise the effectiveness of the engineering team
  • Drive consensus across teams, document technical decisions, and deliver iteratively at scale

Requirements

  • 8+ years building firmware for resource-constrained systems shipped to and operated by real customers
  • Fluency in C and ability to analyze compiler behavior, linker maps, stack traces, and memory issues
  • Substantial bare-metal and RTOS experience, including scheduling, memory, timing, mutexes, and semaphores
  • Experience bringing up new boards and debugging hardware-software issues with electrical engineers
  • Fluency with SPI, I2C, UART, CAN, and ADC interfaces
  • Experience using oscilloscopes, network analyzers, or RF spectrum analyzers
  • Staff-level experience leading work across hardware, firmware, cloud, and quality from concept through shipment
  • Ability to drive cross-team consensus, make cross-layer technical trade-offs, document designs, and conduct post-mortems
  • Experience iterating quickly with automated testing and maintainable code
  • Preferred: deep BLE expertise and PHY-level understanding
  • Preferred: cellular IoT experience with LTE-M or NB-IoT, power-state management, and FCC, PTCRB, and carrier approvals
  • Preferred: embedded security experience with secure boot, firmware signing, cryptography, and key management
  • Preferred: OTA and device firmware update experience at fleet scale, including A/B partitions and rollback
  • Preferred: embedded Linux experience with Yocto or Buildroot, kernel drivers, and device trees
  • Preferred: CAN and J1939 experience on commercial vehicles
  • Preferred: Python and Bash tooling experience and hardware-in-the-loop test automation
  • Preferred: experience with electronics manufacturing, factory processes, quality assurance, and production issue resolution

Benefits

  • Remote for applicants residing in the United States or Canada
  • Flexible employee-led remote work model with offices available for in-person work
  • Professional development stipend
  • Comprehensive health and parental leave plans
  • Performance-based bonus or variable pay and equity eligibility, including an initial RSU grant and ongoing refresh opportunities subject to plan terms

Tech Stack

Categories

Samsara

About Samsara

5,001-10,000 employees

Samsara builds a Connected Operations Cloud that uses IoT hardware and software to help fleets and other physical-operations organizations monitor vehicles, assets, and worksites. Its platform spans video-based driver safety, vehicle telematics, equipment monitoring, and mobile workflows, sold as subscriptions with accompanying devices. Founded in 2015 and headquartered in San Francisco, Samsara is a public company on the NYSE (ticker: IOT) serving transportation, construction, manufacturing, field services, and government.

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