Senior Embedded Firmware Engineer: Zephyr RTOS & Modbus

Capgemini; Town of Texas, Northern (WI, KY); Hybrid; USD 73,000 - 174,000; Full time

Benefits offered by this job

PTO & Holidays

Personal Days

Health, dental, vision

401(k) plan

Life and disability insurance

Employee assistance program

Job summary

Capgemini in Waller, Texas is seeking an experienced embedded software engineer to design, develop, and maintain firmware for microcontroller-based HVAC and smart control systems. You will work with Embedded C/C++, Zephyr RTOS, and Modbus interfaces to deliver secure, high-performance products.

The role emphasizes modular architectures, device drivers, and rigorous code reviews against MISRA-C and secure coding guidelines, with CI/CD and hardware integration experience valued.

Qualifications

• Eight years of experience in embedded software roles.
• Strong programming in Embedded C/C++ for microcontrollers.
• Hands-on with Zephyr RTOS and Modbus interfaces.
• Experience in MISRA-C and secure coding practices.

Responsibilities

• Design, develop, and maintain embedded firmware for microcontroller-based systems.
• Implement modular, reusable software architecture following industry best practices.
• Develop device drivers, middleware, and application components.
• Perform code reviews and ensure MISRA-C and secure coding adherence.

Skills

Embedded C/C++

Zephyr RTOS

Modbus RTU/TCP

MISRA-C

Secure coding

CI/CD

Git

Hardware integration

Embedded debugging

Microcontroller peripherals

Tools

Git

Job description

Capgemini in Waller, Texas is seeking an experienced embedded software engineer to design, develop, and maintain firmware for microcontroller-based HVAC and smart control systems. You will work with Embedded C/C++, Zephyr RTOS, and Modbus interfaces to deliver secure, high-performance products.

The role emphasizes modular architectures, device drivers, and rigorous code reviews against MISRA-C and secure coding guidelines, with CI/CD and hardware integration experience valued.