> Markdown version of [/jobs/ext/2440220-firmware-engineer](https://www.wearedevelopers.com/jobs/ext/2440220-firmware-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Firmware Engineer - **Company:** ADT - **Location:** Blue Bell, PA, United States - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** Board Bringup, Unit Testing, Bluetooth Low Energy (Bluetooth), Bluetooth, C++ (Programming Language), Client Server Models, Command-Line Interface, Computer Networks, Computer Engineering, Continuous Integration, Software Debugging, Linux, Linux on Embedded Systems, Embedded Software, Firmware, JSON, Python (Programming Language), Linux System Administration, Universal Asynchronous Receiver/Transmitter, USB, Wi-Fi Technology, Scripting, Serial Peripheral Interface, Wireless Devices, Backend, Git, Information Technology, Zigbee, Build Tools, IoT Security, Jenkins - **Published:** August 10, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/firmware-engineer-blue-bell-pa-usa-58899600 ## About the Role * wireless devices and radios (Z-Wave, Bluetooth/BLE, Zigbee, DECT/ULE) as needed * Collaborate with hardware on board bring-up and peripheral interfaces (UART, SPI, I2C, USB) and perform root-cause analysis * Write unit tests and assist QA with test plans and CI for firmware builds * Help Product team translate requirements into implementable firmware tasks * Use Git, build scripts, and CI tools such as Jenkins to support development and testing * Document designs, debug notes, and how-to guidance for reuse and extension * Continuously learn new protocols and tools, sharing findings with the team Tasks * Bachelor's degree in computer engineering, Electrical Engineering, Computer Science, or related field, or equivalent practical experience * Basic C and/or C++ programming fundamentals * Basic familiarity with Linux or command-line development * Introductory understanding of OS concepts (processes, threads, memory) * Basic exposure to networking concepts (Wi-Fi, client/server, secure aa equivalent * Some scripting exposure (Shell, Python) for build/test tasks * Basic familiarity with Git or willingness to learn * Ability to read technical documentation and use lab tools (serial console, logic analyzer, oscilloscope) * Curiosity, problem-solving mindset, clear communication, and willingness to learn from seniors Key requirements * ## Description Experteer Overview Entry-level Firmware Engineer at ADT, joining a team that builds embedded firmware for connected-home security devices. You will learn and contribute to C/C++ firmware on Linux-based systems, under mentoring from senior engineers. The role spans development, debugging, testing, and documentation to support secure wireless and cloud-connected features. You will collaborate with hardware, QA, and product teams to deliver reliable firmware and improve automation. This is a growth-focused opportunity to shape foundational skills in embedded systems within a security-focused product landscape. Compensation / Benefits * Develop and maintain embedded firmware and applications in C/C++ for Linux-based IoT security devices, with mentoring from senior engineers * Assist with embedded Linux setup and configuration, including build tools and board support * Implement and debug firmware features that connect devices to backend services over Wi-Fi using JSON * Support features for wireless devices and radios (Z-Wave, Bluetooth/BLE, Zigbee, DECT/ULE) as needed * Collaborate with hardware on board bring-up and peripheral interfaces (UART, SPI, I2C, USB) and perform root-cause analysis * Write unit tests and assist QA with test plans and CI for firmware builds * Help Product team translate requirements into implementable firmware tasks * Use Git, build scripts, and CI tools such as Jenkins to support development and testing * Document designs, debug notes, and how-to guidance for reuse and extension * Continuously learn new protocols and tools, sharing findings with the team Tasks * Bachelor's degree in computer engineering, Electrical Engineering, Computer Science, or related field, or equivalent practical experience * Basic C and/or C++ programming fundamentals * Basic familiarity with Linux or command-line development * Introductory understanding of OS concepts (processes, threads, memory) * Basic exposure to networking concepts (Wi-Fi, client/server, secure connections) * Some scripting exposure (Shell, Python) for build/test tasks * Basic familiarity with Git or willingness to learn * Ability to read technical documentation and use lab tools (serial console, logic analyzer, oscilloscope) * Curiosity, problem-solving mindset, clear communication, and willingness to learn from seniors Key requirements * ## Related Videos - [Prototyping with Hardware and the Web](https://www.wearedevelopers.com/videos/651-prototyping-with-hardware-and-the-web) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Building your way to a serverless powered IOT Buzzwire game](https://www.wearedevelopers.com/videos/590-building-your-way-to-a-serverless-powered-iot-buzzwire-game) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology)