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SmartSense by Digi · 1 month ago

Senior Embedded Firmware Engineer, SmartSense (Boston, MA - Hybrid)

Boston, MA

Full-time

Hybrid

Mid, Senior Level

$105K/yr - $164K/yr

5+ years exp

SmartSense by Digi builds end-to-end IoT systems for critical industries such as healthcare and food safety. The Senior Embedded Firmware Engineer will be responsible for developing and maintaining embedded firmware for the company's IoT ecosystem, ensuring performance and reliability across thousands of devices.

Information Technology

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

Embedded firmware developmentC/C++ programmingIoT wireless technologiesRTOS developmentDebugging toolsEmbedded LinuxCloud IoT platformsSystem validationPrototypingCollaboration skills

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

Experience with AWS IoT, Azure IoT, or Google Cloud IoT is strongly preferred

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

SmartSense by Digi

SmartSense delivers intelligence-driven IoT solutions that enhance food and product safety, automate healthcare compliance, optimize facility monitoring, and increase actionability across the supply chain.

Founded in 2005

Boston, Massachusetts, USA

51-200 employees