Firmware Engineer

Symmetrio is recruiting a Senior Firmware Engineer for our customer, a global conglomerate in the medical device space. This engineer will support firmware development initiatives and work closely with the lead firmware architect on embedded systems for critical medical applications. The ideal candidate will bring strong expertise in embedded C/C++ programming, ARM Cortex-M microcontrollers, and real-time systems development within regulated medical environments. This role offers the opportunity to work on cutting-edge embedded systems that directly impact patient care and clinical workflows.

Remote candidates will be considered but preference will be given to those located in Florida. Salary range is $120-145k depending on experience.

Responsibilities

• Support lead firmware engineer on embedded system development for medical device applications
• Design, develop, and maintain embedded firmware using C/C++ for ARM Cortex-M based systems
• Implement and optimize firmware for NXP i.MX RT1170 (Diamond platform) and STMicroelectronics STM32 G4 (Alpheratz platform) microcontrollers
• Port existing firmware designs and algorithms between different MCU platforms ensuring code portability and maintainability
• Develop low-level MIPI-DSI communication protocols for high-resolution image sensors, particularly IMX585 integration
• Implement image and video processing algorithms including binning, H.264, AV1, and other compression/processing methods
• Work with IAR EWARM IDE environment for development, debugging, and testing of embedded systems
• Collaborate with hardware, software, and clinical teams to define system requirements and resolve integration challenges
• Conduct thorough testing and debugging of embedded firmware across multiple hardware platforms
• Ensure all firmware components comply with FDA regulations and medical device standards including IEC 62304
• Participate in design reviews, risk analysis, and support validation testing required for regulated medical environments
• Document firmware architecture, APIs, and implementation details for regulatory and maintenance purposes

• 7+ years of experience in embedded firmware development, preferably in medical devices or regulated industries
• Highly proficient in embedded C/C++ programming with strong preference for C
• Extensive experience with ARM Cortex-M microcontrollers and associated SDKs
• Proficiency with IAR EWARM IDE development environment
• Strong understanding of real-time operating systems and embedded system design principles
• Experience with NXP (i.MX RT series) and/or STMicroelectronics (STM32) microcontroller families
• Knowledge of MIPI-DSI communications protocols and high-resolution image sensor integration
• Strong testing, debugging, and validation skills for embedded systems
• Excellent documentation and communication skills for technical and regulatory requirements
• Ability to work collaboratively with cross-functional engineering teams

Preferred

• Experience with image/video processing algorithms and compression techniques (H.264, AV1, binning)
• Background in medical imaging systems, diagnostic equipment, or therapeutic devices
• Knowledge of FDA 21 CFR Part 820, ISO 13485, IEC 62304, or similar medical device compliance frameworks
• Experience with Sony IMX585 or similar high-resolution CMOS image sensors
• Prior work on code portability and platform migration projects
• Understanding of medical device software lifecycle processes and risk management

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k, IRA)
• Paid Time Off (Vacation, Sick & Public Holidays)