Digi International · 1 month ago
Senior Embedded Firmware Engineer, SmartSense (Boston, MA - Hybrid)
Boston, Massachusetts, United States
Full-time
Hybrid
Mid, Senior Level
$105K/yr - $164K/yr
5+ years expDigi International is a company specializing in IoT systems for critical industries such as healthcare and food safety. They are seeking a Senior Embedded Firmware Engineer to design and maintain embedded firmware for their IoT ecosystem, focusing on improving device reliability and performance.
Cloud ComputingDeveloper ToolsInternet of ThingsNetwork HardwareWireless
No H1B
Responsibilities
Build and maintain embedded firmware (C/C++) for sensors and gateways powering SmartSense’s IoT ecosystem
Own critical parts of the firmware stack — from low-power drivers to real-time telemetry pipelines
Analyze and solve field issues across a massive distributed fleet, using telemetry, logs, and real hardware debugging tools
Develop firmware updates that introduce new capabilities, improve performance, or support evolving hardware
Tune wireless performance (BLE, Zigbee, LTE, GPS) and optimize power consumption for long-life sensors
Contribute to next-gen platform architecture, including edge processing and smarter sensor workloads
Bring up new hardware platforms — sensors, radios, boards — and collaborate with hardware engineers on system validation
Prototype new ideas, test their limits, and iterate quickly
Strengthen system diagnostics so the devices tell us what’s happening before anything becomes a problem
Support field engineering, manufacturing, and operations with tools, scripts, and deployment workflows
Qualification
Required
5+ years building firmware for embedded systems or IoT devices
Deep experience in C/C++, RTOS development, drivers, peripherals, power management, and system-level thinking
Strong understanding of IoT wireless technologies including BLE, Zigbee, LTE, GPS, and mesh-like networks
Comfortable maintaining legacy systems while also designing cleaner, modern solutions
You enjoy debugging — logic analyzers, scopes, JTAG, weird edge cases, intermittent failures — all of it
Experience with RTOS or embedded Linux (Yocto, Ubuntu)
Clear communicator who enjoys collaborating with hardware, cloud, and product teams
Based in the Greater Boston area for hybrid onsite work
Preferred
Experience with AWS IoT, Azure IoT, or Google Cloud IoT is strongly preferred
Experience with Digi XBee modules or mesh networking
Interest in TinyML, edge inference, or embedded analytics
Background in ultra-low-power design
Experience working in regulated or compliance-driven environments
Benefits
Short-term incentive program
New hire stock award
Paid parental leave
Open (uncapped) PTO
Hybrid work environment
Competitive medical, health & wellbeing and compensation offerings
Company
Digi International
Digi International is a global provider of IoT connectivity products, services, and solutions.
501-1000 employees
Funding
Current Stage
Public CompanyTotal Funding
$250M2023-12-11Post Ipo Debt· $250M
1989-10-13IPO
Leadership Team
Youyi Kitson
Director - Product Marketing, OEM Solutions
Recent News
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