Sr Embedded Firmware Engineer

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Location:

Waller, Texas

Responsible for the design, development, integration, testing, and maintenance of embedded software for HVAC and smart control systems. The role requires strong expertise in Embedded C/C++, Zephyr RTOS, Modbus communication, embedded system testing, and hardware/software integration to support development of reliable, secure, and high-performance products.

• Design, develop, and maintain embedded firmware using Embedded C/C++ for microcontroller-based systems.
• Implement modular, reusable, and scalable software architecture following industry best practices.
• Develop device drivers, middleware, and application-layer software components.
• Perform code reviews and ensure adherence to coding standards such as MISRA-C and secure coding guidelines.

• Develop and optimize embedded applications using Zephyr RTOS.
• Configure and manage tasks, threads, semaphores, queues, timers, and interrupt handling mechanisms.
• Integrate Zephyr-based solutions with hardware platforms and communication stacks.

• Design, implement, and troubleshoot Modbus RTU/TCP communication interfaces.
• Develop communication frameworks for interaction between controllers, sensors, gateways, and cloud-connected devices.
• Analyze protocol traces and resolve communication and interoperability issues.

• * 8 Years of experience in similar roles
• Strong programming experience in Embedded C/C++
• Hands-on experience with Zephyr RTOS
• Expertise in Modbus RTU/TCP Communication
• Embedded debugging and troubleshooting
• Embedded System Testing and automation
• Hardware/Software Integration and board bring-up
• Microcontroller architecture and peripheral development
• UART, SPI, I2C, CAN, Ethernet communication protocols
• Configuration management tools (Git)
• Continuous Integration/Continuous Delivery (CI/CD) for embedded projects

The base compensation range for this role in the posted location is: $73,150 - $174,000

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law. The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to:
Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity. It is not typical for candidates to be hired at or near the top of the posted compensation range. In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

• Paid time off based on employee grade (A-F), defined…