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# Senior Firmware Engineer - Connectivity in Milwaukee

- **Company:** Energy Jobline
- **Location:** Milwaukee, WI, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, ARM Architecture, Microsoft Azure, Bluetooth Low Energy (Bluetooth), Binary Space Partitioning, C++ (Programming Language), Communications Protocols, Computer Engineering, Continuous Integration, Software Debugging, Device Drivers, Embedded C, Firmware, Hardware Interface Design, Joint Test Action (IEEE Standards), Release Management, Software Troubleshooting, Git, Information Technology, Bare Metal
- **Published:** November 1, 2026
- **Apply:** https://www.energyjobline.com/job/senior-firmware-engineer-connectivity-milwaukee-32123265

## About the Role

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.
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 * 5+ years of embedded firmware development experience using C++.
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 * Strong hands-on experience with 32-bit ARM Cortex microcontrollers.
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 * Proven experience developing and debugging production bare-metal firmware.
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 * Strong Bluetooth Low Energy (BLE) experience, including firmware development, integration, debugging, and troubleshooting.
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 * Experience with interrupt handling, timing-critical operations, peripheral drivers, and hardware interfaces.
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 * Proficiency in embedded debugging using JTAG/SWD and hardware diagnostic tools.
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 * Experience with Git, Azure DevOps, and CI/CD workflows.
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 * Strong troubleshooting, problem-solving, communication, and cross-functional collaboration skills.
\n, * Experience with wireless modules, BLE SoCs, and vendor-specific SDKs.
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 * Knowledge of embedded communication protocols and low-level hardware interfaces.
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 * Experience with automated firmware testing and production release processes.
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 * Experience working in Agile development environments.
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 * 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.