Senior Firmware Engineer

Insight Global; Carol Stream (IL); On-site; USD 90,000 - 125,000; Full time

Job summary

Insight Global is seeking a Firmware Engineer to design, develop, and maintain firmware for connected devices and embedded products. You will collaborate with hardware and software teams to translate requirements into tested solutions.

The role emphasizes using RTOS, ARM-based MCUs, and cross-cutting skills in API development, debugging, and testing within Agile workflows. Strong communication of technical findings is essential.

Qualifications

• Experience in firmware, embedded software, and C/C++ for MCU/embedded systems.
• Familiarity with RTOS, ARM, Linux, and OS kernels is valuable.
• Proficient in software design, algorithms, and debugging.

Responsibilities

• Design, implement, and debug firmware for microcontrollers and RTOS-based systems.
• Integrate sensors, PCBs, FPGAs, and communicate via Zigbee, Ethernet, TCP/IP.
• Build and test APIs, including RESTful APIs, and support JSON/XML data exchange.

Skills

Firmware engineering

C/C++

RTOS

ARM

Linux

Software design

Algorithm design

Signal processing

Debugging

Software testing

Python

Scripting

Bash

MATLAB

Simulink

Visual Studio

Eclipse

Jenkins

SVN

GitHub

UML

Tools

Git

Jira

Confluence

VS Code

Job description

We are seeking a Firmware Engineer to develop and maintain reliable software for connected devices and embedded products. You will work across firmware, hardware, and application interfaces, turning system requirements into tested solutions. Your impact: dependable firmware helps users operate connected devices safely and consistently.

Responsibilities

• Design, implement, and debug firmware for microcontrollers, embedded systems, and real-time operating systems (RTOS).
• Integrate sensors, printed circuit boards (PCBs), field-programmable gate arrays (FPGAs), and communication protocols such as Zigbee, Ethernet, and TCP/IP.
• Build and test application programming interfaces (APIs), including RESTful APIs, and support JSON and XML data exchange.
• Use logic analyzers, soldering, and engineering troubleshooting to diagnose hardware and software issues.
• Create unit tests and test automation; document designs and collaborate through Agile or Scrum workflows and tools such as Git, Jira, and Confluence.

Experience

• Demonstrated experience with firmware, embedded software, embedded C, C, or C++; knowledge of ARM, assembly language, Linux, operating systems, and OS kernels is valuable.
• Familiarity with software design, algorithm design, signal processing, debugging, software testing, and software quality assurance.
• Experience with Python, scripting, Bash, MATLAB, Simulink, Visual Studio, Eclipse, Jenkins, SVN, GitHub, or UML is useful.
• Strong analysis skills and the ability to communicate technical findings clearly.