Job Description

Salary: $66,000 - 106,000 per year Requirements:

• Proficient in embedded C for both bare-metal and Linux-userspace applications.
• Familiarity with dual-core or heterogeneous SoC architectures, specifically ARM Cortex-A and Cortex-M, or a strong willingness to adapt.
• Experience with embedded Linux (Yocto, Torizon, etc.) and FreeRTOS, or equivalent real-time operating systems.
• Comfortable using Linux command line tools, SSH, Docker, and shell scripting.
• Familiarity with CMake for build processes and cross-compilation.
• Proficient in Git or similar version control systems.
• Knowledge of common embedded peripherals such as I²C, USB, SPI, and UART.
• Hands-on experience with LVGL or similar embedded HMI frameworks is preferred.
• Familiarity with EtherNet/IP or industrial sensor protocols (IO-Link) is advantageous.
• Understanding of safety-critical design patterns including watchdog timers and hazard analysis is a plus.
• Experience with unit testing in C and designing code for testability is preferred.
• Proficient in Python for scripting and tooling is preferred.
• A minimum of two years of related work experience is preferred.
• Risk and design-control experience is preferred.
• Bachelors degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field is preferred.

• Design, develop, and maintain firmware on diverse ARM SoC platforms including Cortex-A and Cortex-M, ensuring reliable inter-core communication.
• Create and manage touchscreen HMI applications using LVGL or QT, including screen design and real-time data binding from sensory input.
• Architect software with a defined process to facilitate unit and integration testing, ensuring separation of decision logic from hardware effects for easier verification.
• Implement and support device drivers for I²C relay boards, IO-Link sensors, USB devices, and EtherNet/IP sensor modules.
• Bring up new hardware by managing board configurations and peripheral settings.
• Establish and maintain reproducible build environments using Docker and CMake, incorporating cross-compilation toolchains.
• Develop calibration tools to enable operators to adjust parameters without needing to rebuild firmware.
• Document design processes through architecture documents, flow diagrams, code comments, and guides to onboard future engineers.
• Maintain Design History File (DHF) documentation to support FDA 510(k) submissions and quality-system audits.
• Execute software testing, verification, and validation; develop test harnesses for both unit testing and integration testing on target devices.
• Contribute to risk analysis and design safety-critical features such as watchdog timers and recovery procedures.
• Utilize Git for effective source control management, including branch handling, code review, and release tagging.
• Troubleshoot field issues, replicate them in a lab environment, and implement root-cause solutions.

• ARM
• Architect
• Docker
• Embedded
• Ethernet
• Firmware
• Flow
• FreeRTOS
• Git
• Hardware
• Support
• Linux
• Python
• Qt
• C++

More:

We are seeking an Embedded Software Design Engineer to lead firmware and HMI development for Isopures medical water treatment and acid concentrate mixing systems. Our team is small and hands-on, dedicated to managing the complete software stack for our next-generation product line. You will be responsible for designing, building, and maintaining software for FDA-cleared devices, collaborating closely with hardware, manufacturing, and QA teams. This role is full-time and based at our headquarters in Louisville, KY, with a working schedule of M-F from 8:30 AM to 5:00 PM, including occasional overtime. We offer a comprehensive benefits package including health, dental, and vision insurance, a 401(k) plan, and paid time off.

last updated 18 week of 2026

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