Sr. Engineer, Firmware & Embedded Software

Carrier; Indianapolis (IN); On-site; USD 110,000 - 150,000; Full time

Job summary

Carrier in Indianapolis seeks a Senior Firmware & Embedded Engineer to design, develop, and optimize embedded firmware for next‑generation climate products. You will collaborate with hardware, systems, and production teams to deliver safe, reliable firmware that meets global quality and cybersecurity standards.

The ideal candidate brings 5+ years of hands‑on embedded software experience, strong C/C++ skills, RTOS expertise, and a disciplined approach to testing, documentation, and agile

Qualifications

• Bachelor's degree in engineering, CS, or a technical discipline.
• 5+ years of embedded firmware design and development experience.
• Willing to travel up to 10% domestically.

Responsibilities

• Design, develop, and optimize embedded firmware for air conditioning products.
• Work with MCUs, RTOS, and embedded communication protocols to deliver robust solutions.
• Write C/C++ code with emphasis on safety, reliability, and maintainability.
• Contribute across the firmware lifecycle from requirements to release.
• Support cybersecurity reviews and secure firmware practices.

Skills

Embedded firmware design

C/C++ programming

RTOS

Multi-threading

Bare-metal programming

Agile development

Cybersecurity concepts

Hardware debugging

Education

Bachelor's degree in Engineering or Computer Science

Tools

Jira

Confluence

GitHub

Azure DevOps

Job description

About Carrier

Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting-edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure safe transport of food, lifesaving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives we live and the world we share. We continue to lead because of our world-class, inclusive workforce that puts the customer at the center of everything we do. For more information, visit corporate.carrier.com or follow on Carrier social media at @Carrier.

About This Role

We are seeking a Senior Firmware & Embedded Engineer to design, develop, and optimize embedded firmware for next-generation air conditioning products.

In this role, you will contribute to architecture decisions, solve complex technical challenges, and collaborate with hardware, systems, and production teams. You will support critical technical topics, provide guidance to other engineers, and help ensure our products meet global standards for quality, reliability, safety, and cybersecurity.

Our engineering teams take on some of the most unique and exciting global challenges in climate technology. To maintain our position as a global leader, we are looking for talented, ambitious, and results-oriented engineers who thrive in a fast-paced environment and want to contribute to Carrier's continued legacy of innovation and success.

This is an onsite position located in Indianapolis, Indiana.

Role Responsibilities

• Design, develop, and implement embedded firmware solutions that meet business needs and deliver reliable, scalable product functionality.
• Apply hands-on experience with microcontrollers, RTOS platforms, and embedded communication protocols to develop robust embedded solutions.
• Develop firmware in C/C++ with a focus on efficiency, reliability, safety, and maintainability.
• Develop and maintain firmware using C/C++ and, where applicable, assembly or other low-level programming languages.
• Contribute throughout the embedded software development lifecycle, including requirements analysis, design, reviews, implementation, integration, validation, and release support.
• Support software quality through engineering best practices, including design reviews, code reviews, unit testing, functional and integration testing, and CI/CD integration.
• Create and maintain software designs, technical documentation, and implementation details for assigned firmware features and product functionality.
• Participate in product cybersecurity reviews and support secure firmware development practices.
• Participate in Change Control Board meetings to help prioritize features, defects, and product improvements.
• Debug and troubleshoot embedded systems using tools such as emulators, JTAG/BDM debuggers, oscilloscopes, logic analyzers, and related equipment.
• Stay current with emerging embedded technologies and apply relevant innovations to improve product performance, quality, and maintainability.
• Work within Agile development environments using tools such as Jira, Confluence, GitHub, and related software development platforms.
• Provide technical guidance, knowledge sharing, and review feedback to junior and mid-level engineers as needed.
• Analyze, design, program, debug, troubleshoot, and modify firmware for embedded applications.

Required Qualifications

• Bachelor's degree in Engineering, Computer Science, or a technical discipline.
• 5+ years of experience designing and developing embedded firmware.
• Willing and able to travel up to 10% of the year (domestic).

Preferred Qualifications

• Strong proficiency in C/C++ programming for embedded systems.
• Hands-on experience with RTOS, multi-threading, and bare-metal programming.
• Good understanding of microcontroller architecture, interrupts, timers, memory such as Flash, RAM, and EEPROM, and low-level drivers.
• Experience with wired communication protocols and architectures such as UART, RS232/485, I2C, SPI, and Modbus.
• Experience in the use of Jira, Confluence, Azure DevOps, or other software development tools.
• Knowledge of embedded development workflows, version control, and build systems such as CMake and Make.
• Experience using hardware debugging tools and test equipment.
• Demonstrated knowledge of firmware development best practices, including Agile development, design documentation, code reviews, and unit testing.
• Experience with IoT and embedded system design elements such as bootloader, over-the-air firmware downloads, and firmware updates.
• Understanding of cybersecurity technologies and best practices, including encryption, key management, certificates, secure exchanges, and Secure Boot.
• Experience w