Note: The job is a remote job and is open to candidates in USA. AssetWatch is a company that helps industrial teams monitor the health of critical equipment through connected hardware and analytics. They are seeking a Firmware Engineer to design, build, test, and sustain the firmware for their connected hardware platform, collaborating closely with various teams to ensure reliable and secure product development.
Responsibilities
- Develop and maintain embedded firmware for AssetWatch sensors, hubs, BLE modules, and related hardware systems
- Design, implement, and debug firmware features for sensor communication, diagnostics, scheduling, data collection, configuration, and firmware updates
- Work with BLE communication paths between hubs and battery-powered sensors, including scanning, connection handling, command/response flows, diagnostics, and update behavior
- Develop and debug firmware features involving Wi-Fi communication, wired Ethernet, cellular connectivity, TCP/IP networking, MQTT communication, device diagnostics, and edge-to-cloud data paths
- Support wired and wireless networking behavior across hubs and connected devices, including connectivity state, provisioning, configuration, reconnection behavior, signal quality, network diagnostics, and failure recovery
- Implement and review firmware cybersecurity features and protocols, including secure communication, device identity, authentication, authorization, encrypted transport, credential handling, signed firmware, secure update flows, and protection of device interfaces
- Support embedded Linux or edge-device services that interact with firmware, hardware, MQTT interfaces, diagnostics, logs, backend/cloud systems, and network interfaces
- Build and maintain production firmware release workflows, including versioning, changelogs, pull requests, build pipelines, packages, OTA/FOTA artifacts, and security review checkpoints
- Collaborate with hardware and test engineering on bring-up, regression testing, validation, fixture development, failure analysis, and production readiness
- Support hardware qualification phases such as prototype, EVT, DVT, PVT, and production ramp
- Investigate field issues involving sensors, hubs, wireless communication, wired networking, power behavior, firmware updates, diagnostics, security, or manufacturing/test failures
- Write clear technical documentation, including firmware specifications, process procedures, release notes, test plans, interface references, security notes, and troubleshooting guides
- Participate in design reviews, code reviews, sprint planning, Jira workflows, and cross-functional technical discussions
Skills
- Experienced in using AI tools to accelerate FW production and quality
- Strong experience developing production embedded firmware in C or C++
- Hands-on experience debugging firmware on real hardware using tools such as J-Link, oscilloscopes, logic analyzers, power profilers, serial logs, packet captures, network logs, or equivalent lab/debug equipment
- Experience with Git-based development workflows, pull requests, code review, branching, and release discipline
- Understanding of embedded communication protocols, device state machines, diagnostics, logging, and fault handling
- BLE experience, especially GATT, central/peripheral roles, scanning, connection lifecycle, pairing/bonding, encryption, authorization, Nordic/nRF, or NUS-style command interfaces
- Wi-Fi experience, especially 802.11 behavior, WPA2/WPA3, provisioning, connection management, roaming, signal quality, reconnection behavior, and wireless diagnostics
- Wired networking experience, especially Ethernet interfaces, link detection, IP configuration, routing, DNS, DHCP, firewalls, VPN behavior, and network troubleshooting on embedded Linux or edge devices
- Experience securing connected firmware systems using TLS/mTLS, certificates, secure provisioning, device identity, signed firmware, secure boot, encrypted OTA/FOTA, key management, or secure storage
- Experience with network-connected devices using protocols or technologies such as Ethernet, Wi-Fi, cellular, TCP/IP, UDP, DNS, DHCP, TLS, MQTT, HTTP/HTTPS, VPNs, or similar device communication paths
- Experience with firmware cybersecurity principles and secure communication protocols, including authentication, authorization, encryption, secure credential handling, secure firmware update concepts, and protection of device communication interfaces
- Experience working with wireless, sensor, IoT, embedded Linux, RTOS, or similar connected-device systems
- Ability to collaborate across firmware, electrical engineering, mechanical engineering, test engineering, backend/cloud, cybersecurity, product, support, and manufacturing teams
- Strong written communication skills and a willingness to maintain clear technical documentation
- Practical problem-solving mindset for ambiguous hardware, firmware, networking, cybersecurity, and field reliability issues
- Experience with low-power battery-powered devices, sleep states, current measurement, power optimization, and field reliability
- Experience with embedded Linux, Debian packaging, system services, shell scripting, Makefile/CMake, systemd, networking tools, or device-side daemons
- Experience with MQTT, JSON payloads, diagnostics, sensor schedules, edge-to-cloud communication, or industrial IoT systems
- Experience with OTA/FOTA firmware updates, rollback strategy, release validation, production deployment risk management, and cybersecurity review of update mechanisms
- Experience with CI/CD pipelines, semantic versioning, changelogs, release branches, package repositories, build automation, and software bill of materials or vulnerability tracking
- Experience supporting EVT/DVT/PVT, manufacturing test, end-of-line testing, fixture automation, IQA, CM coordination, or production ramp
- Experience with vibration sensors, condition monitoring, industrial equipment, or other ruggedized field hardware
Benefits
- Competitive compensation package including stock options
- Flexible work schedule
- Comprehensive benefits including retirement plan match
- Opportunity to make a real impact every day
- Work with a dynamic and growing team
- Unlimited PTO
Company Overview