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# Senior Embedded (Firmware) Engineer job in Vernon Hills

- **Company:** Zurn Elkay Water Solutions
- **Location:** Vernon Hills, IL, United States
- **Experience:** Expert
- **Salary:** $118,545.0 - $163,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Communications Protocols, Computer Programming, Computer Engineering, Software Debugging, Programming Tools, Embedded Software, Firmware, Integrated Development Environments, Software Engineering, Software Systems, Universal Asynchronous Receiver/Transmitter, Wi-Fi Technology, PIC Microcontroller, State Machines, Production Code, Software Coding, Software Performance
- **Published:** November 4, 2026
- **Apply:** https://jobs.diversity.com/career/2553300/senior-embedded-firmware-engineer-illinois-il-vernon-hills

## About the Role

* 7+ years of relevant industry experience in embedded software or firmware development
 * Bachelor's degree in computer engineering, Electrical Engineering, or a related engineering discipline
 * Proven experience developing, documenting, testing, and releasing firmware for commercial products
 * Proficiency in C and C++ programming
 * Strong foundation in embedded software development
 * Hands on experience with electronic circuits and electrical components.
 * Experience with circuit board testing, troubleshooting, and debugging
 * Working knowledge of industry-standard communication protocols, including UART, I²C, BLE, and RS-485
 * Familiarity with embedded software development tools, processes, and best practices
 * Experience with ATmega microcontrollers and Atmel Studio development environment
 * Excellent verbal and written communication skills, with the ability to effectively collaborate across cross-functional teams
 * Strong analytical and problem-solving skills with a hands-on approach to debugging and product development
 * Proficiency with Microsoft Windows operating systems and related development tools
 * Ability to travel up to 10% as required

Core Competencies

&bull Coding techniques & interfaces

&bull Electromechanical components and sensors.

&bull Problem Solving & Critical thinking

&bull Troubleshooting

&bull Organizational skills

&bull Written and verbal Communication

&bull Teamwork and collaborative development

## Description

The Senior Embedded (Firmware) Engineer is responsible for leading and supporting all engineering efforts related to embedded systems software throughout the product lifecycle. This includes software design and development, R&D initiatives, in-house and field validation, testing, maintenance, and product release activities., * Develop control software algorithms for tankless water heaters, boilers, and other HVAC-related products

 * Collaborate with systems and design engineers to define and implement control system state machines
 * Design, develop, test, and validate embedded firmware by translating control logic into production-ready code
 * Perform firmware testing and validation on embedded hardware platforms, both in-house and at field test sites
 * Conduct hands-on development and troubleshooting activities, including electrical measurements and data acquisition for temperature, analog signals, frequency, and PWM outputs
 * Travel to field locations to evaluate software performance, diagnose issues, and implement corrective actions
 * Assist in the preparation and maintenance of technical documentation, user guides, and engineering literature
 * Develop, implement, and test communication protocols supporting device connectivity and Internet of Things (IoT) applications
 * Design and validate software solutions for Over-the-Air (OTA) firmware updates
 * Support software development efforts related to display interfaces, wireless communications, and Wi-Fi integration
 * Document test procedures, results, debugging activities, and defect resolution processes