R+D Firmware Engineer III- Diagnostics

Overview

Firmware Engineer – Embedded Linux – Cincinnati, OH

Lead firmware projects in the med‑tech space, guiding a team of engineers, shaping architecture, and ensuring compliance with FDA/ISO 13485 standards. Hybrid role: in‑office 4 days + 1 remote day.

• Participate in architecture decisions and design of custom embedded Linux platforms and OEM modules.
• Design the software framework for diverse connectivity options, including advanced BLE features and next‑generation wireless technologies.
• Implement secure boot and robust over‑the‑air update mechanisms across the full software lifecycle.
• Mentor junior engineers on embedded Linux best practices and real‑time design.
• Resolve complex, system‑level issues involving hardware, kernel, and user‑space interactions.
• Collaborate cross‑functionally with software, cybersecurity, and other engineering teams during product design, development, and post‑launch sustaining activities.
• Contribute to formal software documentation and verification strategy, ensuring compliance with FDA design controls and QMS (ISO 13485 / 21 CFR 820).

• Bachelor’s degree in Electrical Engineering, Computer Science, or related field.
• 4+ years of firmware experience, with a focus on signal acquisition, wireless technologies, and medical device software.
• Deep knowledge of the Linux kernel, device drivers, and hardware abstraction layers.
• Proven experience designing and shipping products with advanced wireless capabilities, particularly BLE.
• Experience developing medical device software under FDA (21 CFR 820) and international (ISO 13485) regulations, including formal design control processes.
• Strong C/C++ skill set and modern C++ system design patterns.
• Demonstrated ability to lead technical projects, mentor engineers, and make critical design decisions.

• Embedded Linux system development on ARM‑based SoCs or SoMs.
• Secure boot, application‑level cryptography, and graphics pipelines or display frameworks.
• Software lifecycle management – secure boot, OTA updates, and traceability.
• Mentoring, coaching, and technical leadership.
• Quality and regulatory documentation for FDA/ISO processes.

• Lead and coach a team of engineers, fostering professional growth.

Midmark Corporation is an Equal Opportunity Employer. We strongly encourage applications from qualified minorities, women, disabled individuals, and veterans.