Senior Firmware Engineer - Connectivity in Milwaukee

We are seeking an experienced Senior Firmware Engineer - Connectivity to design, develop, integrate, and validate wireless firmware for embedded products connected to the ONE-KEY ecosystem and cloud platforms. The ideal candidate will have strong experience in embedded C++, ARM Cortex microcontrollers, Bluetooth Low Energy (BLE), and bare-metal firmware development., * Bachelor’s degree in Computer Engineering, Computer Science, Electrical Engineering, or a related field. \n

• 5+ years of embedded firmware development experience using C++. \n

• Strong hands-on experience with 32-bit ARM Cortex microcontrollers. \n

• Proven experience developing and debugging production bare-metal firmware. \n

• Strong Bluetooth Low Energy (BLE) experience, including firmware development, integration, debugging, and troubleshooting. \n

• Experience with interrupt handling, timing-critical operations, peripheral drivers, and hardware interfaces. \n

• Proficiency in embedded debugging using JTAG/SWD and hardware diagnostic tools. \n

• Experience with Git, Azure DevOps, and CI/CD workflows. \n

• Strong troubleshooting, problem-solving, communication, and cross-functional collaboration skills. \n, * Experience with wireless modules, BLE SoCs, and vendor-specific SDKs. \n

• Knowledge of embedded communication protocols and low-level hardware interfaces. \n

• Experience with automated firmware testing and production release processes. \n

• Experience working in Agile development environments. \n

• Ability to work independently and manage technical deliverables from concept through production. \n, Embedded C++, Bluetooth Low Energy (BLE), ARM Cortex MCUs, Bare-Metal Firmware, Embedded Systems, Wireless Connectivity, BSP, Device Drivers, JTAG/SWD, Oscilloscopes, Logic Analyzers, Git, Azure DevOps, CI/CD, Firmware Testing, Root Cause Analysis.

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• Develop embedded C++ firmware for wireless connectivity on 32-bit ARM Cortex microcontrollers using bare-metal architecture. \n

• Implement, integrate, debug, and troubleshoot Bluetooth Low Energy (BLE) functionality using wireless modules, SoCs, and vendor SDKs. \n

• Diagnose complex connectivity issues involving application firmware, drivers, BSP, protocol stacks, timing, and hardware interfaces. \n

• Translate product requirements into firmware specifications, design documents, test plans, and implementation strategies. \n

• Perform unit, functional, and integration testing, and support test automation within CI/CD pipelines. \n

• Debug firmware and hardware interactions using JTAG/SWD debuggers, oscilloscopes, logic analyzers, and spectrum or protocol analyzers. \n

• Collaborate with hardware, mechanical, cloud, application, product, and reliability teams to resolve technical issues and deliver production-ready firmware. \n

• Work with component suppliers on hardware integration, design decisions, and root-cause analysis. \n

• Use Git and Azure DevOps for source control, work-item tracking, code reviews, and CI/CD activities. \n

• Own firmware deliverables from investigation and implementation through validation, documentation, and production handoff. \n

• Participate in Agile development practices, provide regular progress updates, and proactively communicate risks and project status. \n

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