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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Firmware Engineer - **Company:** Thermofisher Scientific - **Location:** Oakwood Village, OH, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Board Bringup, C (Programming Language), Agile Methodology, Automation of Tests, Bluetooth Low Energy (Bluetooth), Booting (BIOS), C++ (Programming Language), Cloud Computing, Static Program Analysis, Software Quality, Code Review, Communications Protocols, Computer Programming, Computer Engineering, Continuous Integration, Software Debugging, Linux, Programming Tools, Device Drivers, Microprocessors, Memory Management, Embedded C, Linux on Embedded Systems, Embedded Software, Ethernet, Firmware, FreeRTOS, Joint Test Action (IEEE Standards), Python (Programming Language), Message Queuing Telemetry Transport (MQTT), Scrum Methodology, Real-Time Operating Systems, Cloud Services, Software Engineering, Systems Integration, TCP/IP, Universal Asynchronous Receiver/Transmitter, USB, Wi-Fi Technology, Serial Peripheral Interface, PIC Microcontroller, Git, System-level Testing, Information Technology, Multiaccess Edge Computing, U-Boot, Aws Iot, Software Version Control, Service Stack - **Published:** June 28, 2026 - **Apply:** https://dejobs.org/x/x/CA639DDA779247E996F01BBBF2D3F205/job/ ## About the Role * Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical discipline. * 7+ years of professional embedded firmware development experience. * Strong programming experience in embedded C. * Hands-on experience developing firmware for real-time operating systems such as FreeRTOS, ThreadX, Zephyr, embOS, or similar. * Experience developing firmware for Renesas microcontrollers or microprocessors, including use of Renesas development tools, SDKs, BSPs, or IDEs. * Strong understanding of embedded systems concepts, including interrupts, timers, DMA, memory management, bootloaders, power management, and communication protocols. * Experience with firmware debugging tools such as JTAG/SWD, oscilloscopes, logic analyzers, and protocol analyzers. * Familiarity with common embedded communication interfaces including SPI, I2C, UART, USB, CAN, and Ethernet. * Experience with version control systems such as Git. * Ability to read schematics and work closely with hardware engineers during board bring-up and troubleshooting. * Strong analytical, debugging, and problem-solving skills. * Excellent written and verbal communication skills. Preferred Qualifications * Experience with AWS IoT Greengrass, AWS IoT Core, or cloud-connected embedded devices. * Experience with secure boot, firmware update mechanisms, device provisioning, certificates, encryption, or embedded cybersecurity. * Experience with connectivity protocols such as MQTT, TCP/IP, BLE, Wi-Fi, or cellular. * Experience developing Linux-based edge applications or integrating microcontroller firmware with embedded Linux systems. * Experience with automated testing, CI/CD pipelines, static analysis, or code quality tools for embedded software. * Experience in regulated, industrial, medical, life sciences, or high-reliability product environments. * Familiarity with software development processes such as Agile, Scrum, or stage-gate product development., * Deep technical curiosity and a hands-on approach to solving complex embedded problems. * Ability to work independently while collaborating effectively with cross-functional teams. * Strong ownership mindset with attention to quality, reliability, and long-term maintainability. * Comfortable working in a fast-paced engineering environment with evolving requirements. * Ability to mentor junior engineers and contribute to firmware best practices. * Experience with AWS IoT Greengrass, cloud-connected devices, or edge computing is a strong plus. Example Technology Stack * Languages: C, C++, Python * RTOS: FreeRTOS, ThreadX, Zephyr, or similar * Chipsets: Renesas RA, RX, RL78, RZ, or similar Renesas platforms * Tools: Renesas e² studio, IAR, GCC, JTAG/SWD debuggers, Git * Interfaces: SPI, I2C, UART, USB, CAN, Ethernet, GPIO, ADC * Cloud/Edge: AWS IoT Greengrass, AWS IoT Core, MQTT ## Description We are seeking a highly skilled Senior Firmware Engineer to design, develop, test, and maintain embedded firmware for next-generation connected products. This role requires strong hands-on experience with embedded C, real-time operating systems, and microcontroller-based development, with particular emphasis on Renesas chipsets. The ideal candidate will be comfortable working close to the hardware, collaborating across electrical, software, systems, and product teams, and delivering reliable firmware for production-quality embedded systems., * Design, develop, debug, and maintain embedded firmware using C for microcontroller-based systems. * Develop firmware running on real-time operating systems, including task scheduling, inter-task communication, timing, synchronization, and resource management. * Bring up and integrate firmware on Renesas-based platforms, including peripheral configuration, board support packages, bootloaders, and device drivers. * Work closely with electrical engineering teams to support hardware bring-up, schematic review, board validation, and root-cause analysis. * Develop and maintain low-level drivers for interfaces such as I2C, SPI, UART, USB, CAN, Ethernet, GPIO, ADC, PWM, and similar embedded peripherals. * Participate in firmware architecture, design reviews, code reviews, and technical decision-making. * Implement robust, maintainable, and testable firmware for commercial or industrial embedded products. * Debug complex firmware and hardware interactions using oscilloscopes, logic analyzers, JTAG/SWD debuggers, and other lab equipment. * Support integration of embedded systems with higher-level software, connectivity stacks, and cloud-based services. * Develop unit, integration, and system-level test strategies for embedded firmware. * Create and maintain technical documentation, including requirements, design specifications, test plans, and release notes. * Collaborate with cross-functional teams to deliver high-quality products on schedule. ## Related Videos - [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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Project Fugu: Extending the web](https://www.wearedevelopers.com/videos/832-project-fugu-extending-the-web) ## Related Articles - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers) - [The Best Software Developer Blogs to Read](https://www.wearedevelopers.com/magazine/156-the-best-software-developer-blogs-to-read) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)