Staff/Senior Firmware Engineer

This is a fully remote position, open to applicants in California.

📋 Description

• Create software that operates on millions of devices for industrial and enterprise clients.

• Assess and choose hardware components, such as SoCs, flash/RAM, and sensors.

• Initiate new hardware platforms and sensors from raw silicon.

• Set up I/O and establish communication protocols like SPI, I2C, UART, and BLE.

• Troubleshoot system initialization and verify hardware designs.

• Develop peripheral drivers, secure bootloaders, device firmware updates, power management, and connectivity layers.

• Design protocols and hardware management for battery-operated sensors and gateways to optimize device longevity.

• Construct systems for data collection and the identification of significant events.

• Organize recorded data for effective analysis across numerous devices.

• Collaborate with electrical, product, full-stack, mobile, quality, and other engineering teams.

• Ensure that firmware data is transmitted to dispatchers, fleet managers, and technicians in a useful and intact manner.

• Direct technical designs, thorough reviews, mentorship, engineering practices, and cross-functional agreement.

• Link technical choices to customer and business results.

• Deliver high-quality solutions in an iterative manner.

⛳️ Requirements

• Over 8 years of experience developing firmware for resource-limited systems.

• Proven track record of leading firmware development for multiple new products from concept through architecture, implementation, validation, and launch.

• Extensive bare-metal and RTOS experience, including Zephyr or FreeRTOS.

• Proficient in initiating new boards and troubleshooting hardware/software problems.

• Expertise in SPI, I2C, UART, CAN, and ADC interfaces.

• Familiarity with oscilloscopes, network analyzers, or RF spectrum analyzers.

• Senior-level experience encompassing hardware, firmware, cloud, and quality throughout the product lifecycle.

• Capability to connect driver-level decisions to customer outcomes and navigate cross-layer trade-offs.

• Proficiency in C, including understanding compiler behavior, linker maps, stack traces, and corrupted heap analysis.

• Skill in writing actionable design documents, review comments, and post-mortems.

• Experience with rapid iteration based on customer feedback while ensuring automated testing and maintainable code.

• Familiarity with incorporating AI into daily workflows.

• In-depth experience with BLE, including PHY-level comprehension, is a plus.

• Knowledge of Cellular IoT, including LTE-M or NB-IoT, power state management, and FCC, PTCRB, or carrier approval, is a plus.

• Background in embedded security, including secure boot, firmware signing, cryptography, and key management, is a plus.

• Experience with OTA/device firmware updates at fleet scale, including A/B partitions and rollback procedures, is a plus.

• Factory-floor experience with electronics mass production, quality assurance, and production issue resolution is a plus.

🏝️ Benefits

• Competitive salary above market rates.

• Initial RSU grant with no vesting cliff.

• Ongoing equity refresh opportunities linked to performance.

• Performance-based bonuses and variable pay.

• Employee-driven remote and flexible working arrangements.

• Team-oriented incentive programs.

• Comprehensive health benefits.

• Inclusive health plans.

• Parental leave programs.

• Professional development allowance.

• Samsara for Good fund.

• Flexible working model.

• Support for remote work aligned with operational needs.

• Office access available for employees who prefer in-person work.