
Senior Embedded Firmware Engineer, SmartSense
Digi International
full-time
Posted on:
Location Type: Hybrid
Location: Boston • Massachusetts • 🇺🇸 United States
Visit company websiteSalary
💰 $105,000 - $164,000 per year
Job Level
Senior
Tech Stack
AWSAzureCloudIoTLinuxRTOS
About the role
- 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.
Requirements
- 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.
- 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.
- Experience with AWS IoT, Azure IoT, or Google Cloud IoT is strongly preferred.
Benefits
- Total Rewards package
- Short-term incentive program
- New hire stock award
- Paid parental leave
- Open (uncapped) PTO
- Hybrid work environment
- Competitive medical, health & wellbeing and compensation offerings
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
CC++RTOSdriversperipheralspower managementfirmware developmentembedded systemsreal-time telemetrydebugging
Soft skills
clear communicatorcollaborationproblem-solvingsystem-level thinking