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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Embedded Firmware Engineer - **Company:** Fieldpiece Instruments - **Location:** Orange, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Bluetooth Low Energy (Bluetooth), Bluetooth, C++ (Programming Language), Communications Protocols, Computer Programming, Computer Engineering, Embedded Software, Firmware, Mobile Application Software, Real-Time Operating Systems, Universal Asynchronous Receiver/Transmitter, Wi-Fi Technology, Serial Peripheral Interface, PIC Microcontroller, Information Technology, Process Control Systems - **Published:** July 22, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ace72abb5c9f68ee ## About the Role * Bachelor's degree in computer engineering, electrical engineering, computer science, or similar. * 7+ years developing embedded firmware for commercial products. * Strong C/C++ programming, RTOS and microcontroller-based systems and wireless communication technologies such as BLE, Bluetooth, Wi-Fi, UART, SPI, or I2C experience. * Experience bringing connected products with wireless connectivity from development through production. * Worked on products that integrate with mobile applications. * Experience with sensors, data acquisition, or control systems. Bonus Point If You Have * Experience with motor, valve, or actuator control. * Experience in HVACR, industrial controls, or professional tools. ## Description Engineer the Connected Ecosystem Behind the HVACR Industry's Leading Tools Fieldpiece is a privately held, global leader in professional HVACR tools and test instruments. We're known for developing innovative products that technicians rely on every day-and for investing in our people, our technology, and our future. Named one of the Best Places to Work in Southern California for four consecutive years, we're looking for talented people who want to make an impact while growing their careers. Why This Role Fieldpiece is building the next generation of connected HVACR tools. Every new product includes embedded firmware, wireless connectivity, and intelligent software that allows tools, sensors, and mobile applications to communicate as one integrated system. Today, our products collect data from sensors, perform calculations, and share information through the Job Link® System App. Tomorrow, they'll do even more-coordinating multiple tools, automating workflows, and controlling equipment in the field. As a Senior Embedded Firmware Engineer, you'll write the firmware that makes all of this possible. You'll work across hardware, firmware, wireless communications, and connected products to create features technicians rely on every day. This position is in our Orange, CA office with an exciting move to Tustin, CA in 2028. This role follows a hybrid work schedule, with employees typically working onsite three days per week. Additional in-office days may be required from time to time for onboarding, training, team meetings, project collaboration, or other business needs. What You'll Do * Develop embedded firmware for connected HVACR products. * Design software for wireless communication between tools, sensors, and mobile applications. * Collaborate with electrical, mechanical, quality, and product teams to bring new products to market. * Integrate sensors, communication protocols, and embedded hardware into reliable production systems. * Support products from concept through production and sustaining engineering. * Troubleshoot firmware and system-level issues to improve product performance and reliability. Why This Position Is Different * Help shape the future of connected HVACR technology as Fieldpiece expands from connected diagnostics to connected tool control and workflow automation. * Create an ecosystem where tools communicate and work together and firmware powers wireless connectivity and intelligent features. * Influence products from concept through production and make a visible impact on products customers use every day. In Your First Year, You'll Likely... * Become an expert in the Fieldpiece connected product ecosystem and embedded architecture. * Develop firmware for new and existing products that improve communication between connected tools and sensors. * Partner across engineering to launch new products. ## Related Videos - [Smart, Connected, Unexpected: The Wild Side of IoT and AI](https://www.wearedevelopers.com/videos/1113-smart-connected-unexpected-the-wild-side-of-iot-and-ai) - [Building a Cross-Platform BLE Client with Kotlin Multiplatform and Kable](https://www.wearedevelopers.com/videos/100250-building-a-cross-platform-ble-client-with-kotlin-multiplatform-and-kable) - [Prototyping with Hardware and the Web](https://www.wearedevelopers.com/videos/651-prototyping-with-hardware-and-the-web) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Car's are Technology on Wheels - Impact of Software and IT Competence in Automotive](https://www.wearedevelopers.com/videos/780-car-s-are-technology-on-wheels-impact-of-software-and-it-competence-in-automotive) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)