Sr. Embedded Firmware Engineer

Capgemini Engineering; Waller (TX); On-site; USD 73,000 - 174,000; Full time

Job summary

Capgemini Engineering in Texas is seeking an experienced embedded software engineer to design, develop, test and integrate firmware for HVAC and smart control systems. You will work with Embedded C/C++, Zephyr RTOS, and Modbus interfaces, ensuring robust, secure, high-performance solutions.

You will collaborate with hardware teams, perform code reviews per MISRA-C, and contribute to CI/CD pipelines for embedded projects. On-site role in Waller, TX with competitive compensation and benefits.

Qualifications

• 8+ years of experience in embedded software roles.
• Strong experience in Embedded C/C++ and Zephyr RTOS.
• Experience with Modbus RTU/TCP communication.
• Hands-on embedded debugging and testing.
• Hardware/software integration and board bring-up.
• Familiarity with MISRA-C and secure coding practices.
• Experience with UART, SPI, I2C, CAN, Ethernet protocols.
• CI/CD for embedded projects.

Responsibilities

• Design, develop, and maintain embedded firmware for microcontroller-based systems.
• Implement modular, reusable software architecture.
• Develop device drivers, middleware, and application components.
• Perform code reviews and ensure MISRA-C and secure coding guidelines.
• Develop and optimize embedded applications using Zephyr RTOS.
• Configure 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 interfaces.

Skills

Embedded C/C++

Zephyr RTOS

Modbus RTU/TCP

Embedded debugging

Embedded testing and automation

Hardware/software integration

Microcontroller architecture

UART, SPI, I2C, CAN, Ethernet

Git

CI/CD for embedded projects

Tools

MISRA-C

CI/CD tooling

Job description

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Location

Waller, Texas onsite.

About the job you’re considering

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.

Your Role

• 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.
• Communication Protocol Integration
• 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.

Your Skills and Experience

• +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 by policy Vacation 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

Important Notice

Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini’s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.