{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Firmware Engineer","description":"

We are seeking a Principal Firmware Engineer to lead the development of embedded firmware for complex, low-power medical devices. This is a highly hands-on technical role for an engineer who can work close to the hardware, write and debug production-quality firmware, and provide technical leadership to a small engineering team.

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The ideal candidate will bring deep experience in embedded C/C++, Bluetooth Low Energy (BLE), hardware-software integration, and regulated product development. Experience with active implantable medical devices is strongly preferred.

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Key Responsibilities

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Design, develop, test, and maintain embedded firmware for complex, low-power medical devices.
Serve as a hands-on technical leader for firmware development while mentoring engineers and contractors.
Develop and optimize embedded software in C/C++ for resource-constrained systems.
Lead firmware integration with PCBAs, microcontrollers, sensors, and other hardware components.
Develop and maintain Bluetooth Low Energy (BLE) and other wireless communication functionality.
Implement and expand Hardware-in-the-Loop (HIL) testing and automated verification capabilities.
Develop Python-based tools and scripts to support firmware testing and automation.
Debug embedded systems using tools such as JTAG, Segger, oscilloscopes, and logic analyzers.
Work with state-machine-driven architectures and real-time embedded systems.

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Qualifications

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Education

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Bachelor's or master's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical field.

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Required Experience

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7+ years of embedded firmware or embedded software development experience.
Strong hands-on programming experience in C/C++.
Demonstrated experience developing firmware that interfaces directly with embedded hardware.
Strong experience with Bluetooth Low Energy (BLE) and low-power embedded systems.
Experience developing software for resource-constrained embedded environments.
Strong understanding of embedded systems architecture and hardware-software integration.
Experience with RTOS and/or bare-metal embedded development.
Strong embedded debugging experience using tools such as JTAG, Segger, oscilloscopes, and logic analyzers.

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","datePosted":"2026-08-19","hiringOrganization":{"@type":"Organization","name":"recruitAbility"},"validThrough":"2026-09-18","jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Saint Paul, MN","streetAddress":"5353 Wayzata Boulevard Suite 400. St. Louis Park, MN 55416","addressRegion":"Minnesota","postalCode":"55416","addressCountry":"United States"}},"employmentType":"FULL_TIME","identifier":{"@type":"PropertyValue","name":"recruitAbility","value":"17871627847370128024LRh"},"directApply":true}