Entry-Level Firmware Engineer, Embedded IoT

ADT; Blue Bell (NJ); On-site; USD 60,000 - 90,000; Full time

Job summary

ADT is seeking an entry-level Firmware Engineer to develop embedded firmware for security and connected-home devices. You will write and debug C/C++ code, learn embedded Linux, and work with senior engineers to grow foundational skills.

You will collaborate with hardware and QA teams, implement features for Wi-Fi connectivity, and contribute to build/test automation while expanding knowledge of radios and protocols.

Qualifications

• Basic C and/or C++ programming fundamentals demonstrated via coursework, labs or projects.
• Basic familiarity with Linux or command-line development and build processes.
• Introductory OS concepts (processes, threads, memory) and multitasking; embedded experience helpful.
• Basic networking concepts (IP, Wi‑Fi, client/server, secure connections).
• Some scripting experience in Shell or Python for simple tasks.
• Basic Git or other source-control familiarity and willingness to learn workflows.
• Ability to read technical docs and use lab tools (serial console, oscilloscope).
• Curiosity, problem-solving mindset and willingness to learn from senior engineers.

Responsibilities

• Develop and maintain embedded firmware in C/C++ for Linux-based IoT devices with senior engineer mentorship.
• Assist with embedded Linux setup, build tools and board support configurations.
• Help implement firmware features for connect-to-backend services over Wi‑Fi and JSON messaging.
• Support wireless device interfaces (Z‑Wave, Bluetooth/BLE, Zigbee, DECT/ULE) as needed.
• Collaborate with hardware team on bring-up, peripherals (UART, SPI, I2C, USB) and root-cause analysis.
• Write unit tests and assist QA with test plans and CI for firmware builds.
• Clarify requirements with Products and translate to implementable firmware tasks.
• Use Git, build scripts, and CI tools (Jenkins) to support development and testing.
• Document designs, debug notes, and how‑to guides for reuse by the team.
• Continuously learn new protocols, tools, and platform details and share findings.

Skills

C programming

C++ programming

Linux basics

Networking basics

Python scripting

Git basics

Reading technical docs

Debugging hardware/software

Education

Bachelor’s degree in computer engineering, Electrical Engineering, or Computer Science

Tools

Git

Jenkins

Buildroot/Yocto

Job description

ADT is seeking an entry-level Firmware Engineer to develop embedded firmware for security and connected-home devices. You will write and debug C/C++ code, learn embedded Linux, and work with senior engineers to grow foundational skills.

You will collaborate with hardware and QA teams, implement features for Wi-Fi connectivity, and contribute to build/test automation while expanding knowledge of radios and protocols.