Sr Embedded Firmware Engineer

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

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Location: Waller, Texas

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.

RTOS Development

• 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 LeaveMedical, 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

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.

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.

Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

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.