Senior Bluetooth Engineer

Job Description

SENIOR FIRMWARE ENGINEER – CONNECTIVITY

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Location: Milwaukee, Wisconsin

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Experience: 5+ Years

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Job Type: Contract

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Work Authorization: W2 ONLY – NO C2C

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Job Description

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We are looking for an experienced Senior Firmware Engineer – Connectivity with strong hands-on experience in Bluetooth Low Energy (BLE), Embedded C++, and Bare-Metal Firmware Development.

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The ideal candidate will develop and debug wireless connectivity firmware for embedded products, working with ARM Cortex microcontrollers and BLE technologies.

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Key Responsibilities

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• Develop embedded firmware using C++ for 32-bit ARM Cortex microcontrollers.

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• Design, integrate, and debug Bluetooth Low Energy (BLE) functionality.

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• Troubleshoot BLE connectivity issues across firmware, hardware, and communication protocols.

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• Develop and debug bare-metal firmware, including interrupt handling, device drivers, and hardware interfaces.

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• Perform unit, functional, and integration testing.

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• Use JTAG/SWD debuggers, oscilloscopes, and logic analyzers for troubleshooting.

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• Collaborate with hardware, software, and product engineering teams.

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• Manage firmware development, testing, documentation, and production releases.

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Must-Have Skills

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• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field.

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• 5+ years of embedded firmware development experience.

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• Strong hands-on experience with Bluetooth Low Energy (BLE) – MUST HAVE.

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• Strong programming experience in Embedded C/C++.

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• Experience with 32-bit ARM Cortex microcontrollers.

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• Strong experience in bare-metal firmware development.

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• Experience with BLE modules/SoCs and vendor SDKs.

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• Knowledge of JTAG/SWD debugging and hardware troubleshooting.

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• Experience with Git and Azure DevOps is preferred.

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