Skip to Main Content

Job Title


Sr. Embedded Systems Designer


Company : Thornhill Medical


Location : Toronto, Ontario


Created : 2026-03-07


Job Type : Full Time


Job Description

POSITION SUMMARY The Senior Embedded Systems Designer/Engineer is responsible for designing, developing, and maintaining the embedded systems driving Thornhills MADM and RespirAct product lines. The position is also involved in all parts of the medical device lifecycle for both product lines. DUTIES & RESPONSIBILITIES Perform embedded system development and maintenance activities on all products and accessories that make up the MADM and RespirAct product lines. Generate documentation for embedded designs in compliance with quality system requirements. Actively collaborate with electronics designers on hardware design and hardware/firmware integration; manufacturing specialists on hardware sustaining activities; test engineering on verification activities, including execution of safety and performance testing to satisfy applicable standards (e.g., IEC 60601-1). Maintain existing embedded designs to ensure conformance with state-of-the-art standards. Design and develop prototypes for future products. Prepare engineering change requests and change orders. Participate in design review process. Support production and service teams by assisting with the resolution of technical issues encountered as well as by establishing effective testing and test benches. Interface with partners, suppliers, and subcontractors to address technical issues and requirements. Provide technical leadership to junior team members including coop students. Consider quality in all aspects of the job and respect procedures and norms. Other duties as assigned. EDUCATION & EXPERIENCE Bachelors degree in electrical/computer engineering or related field. 8-10 years of practical experience working in a regulated industry (e.g., medical device industry preferred). Experience with embedded system design, firmware development, circuit design, schematic capture, and PCB design using ECAD tools (e.g., Altium Designer). Proven experience with debugging techniques for embedded systems using soldering and common electronics tools (e.g., logic analyzers, microcontroller debuggers, oscilloscopes). Experience with revision control systems (e.g., Git/Gitlab). SKILLS & KNOWLEDGE Microcontroller embedded software development in C/C++. Familiarity with sensors and serial protocols (e.g., I2C, SPI, UART) common in embedded systems. Excellent problem solving, troubleshooting, and debugging skills, including use of common tools and techniques (e.g., logic analyzers, microcontroller debuggers, oscilloscopes). Aptitude in programming for reliability and testability. Strong organization skills with attention to detail, plus the ability and desire to create maintainable designs. Strong understanding of complex integrated electromechanical systems and embedded software. Knowledge of the following standards: IEC 62304, ISO 14971, and IEC 60601. Excellent interpersonal and communication skills (verbal and written). Selfstarter that is highly motivated, creative, and able to work both independently and within a team environment. Ability to build strong relationships and work collaboratively with crossfunctional teams to meet shared objectives. Drive to consistently achieve results, even under tough circumstances. Holds self and others accountable to meet commitments. Strong computer skills and proficiency with Microsoft Office suite products (Word, Excel, PowerPoint, Access). Development expertise with Microchip dsPIC and PIC32 microcontrollers. OTHER REQUIREMENTS Primarily office related requirements with exposure to production work rooms when required. Light lifting and bending. Some travel may be required. Thornhill Medical welcomes and encourages applications from all qualified people, including those with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. We thank all applicants for their interest; however, only those selected will be invited for an interview. #J-18808-Ljbffr