Senior Firmware Engineer-Fire Alarm Systems

Summary:We are seeking a Senior Firmware Engineer to lead the design, development, and integration of embedded firmware for our advanced FX-4000 Modular Fire Alarm Control Platform (FACP). In this critical role, you’ll help build life-safety solutions that protect people and property around the globe. You’ll work closely with cross-functional teams—hardware, software, and systems engineering—to deliver robust, standards-compliant embedded solutions. This position requires deep expertise in real-time embedded systems, communication protocols, and system-level architecture. We’re looking for a candidate who combines technical depth, hands-on debugging skills, and a passion for building mission-critical systems. If you're driven by purpose, thrive in collaborative environments, and are committed to engineering excellence, we’d love to hear from you. This role is a full time permanent role based out of our Head Office in Vaughan, ON. Key Responsibilities: Design, develop, and maintain embedded firmware for FX-4000 modules using Quadros RTOS or similar real-time operating systems. Integrate and support communication protocols such as ARCNET, BACnet, RS-485, enabling reliable inter-module and external device communication. Collaborate on the configuration and optimization of FX-4000 HAL, ANC-6000, and other modular hardware components. Develop and maintain system-level diagnostics, annunciator mapping, and addressable loop integrations. Debug complex firmware and hardware issues using tools such as oscilloscopes, logic analyzers, and protocol analyzers. Analyze and optimize system performance, timing determinism, and overall reliability across the FX-4000 architecture. Work with graphical monitoring tools to validate and verify system integration. Participate in architecture reviews and contribute to the design of scalable, modular fire alarm solutions. Mentor junior engineers, conduct design/code reviews, and support robust documentation and knowledge sharing. Ensure work is performed in compliance with ISO 9001 quality standards and company procedures.  Requirements and Skills: Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field. 5+ years of embedded firmware development experience, ideally in safety-critical or industrial environments. Proficiency in C/C++ and experience with real-time operating systems, such as Quadros RTOS, FreeRTOS, VxWorks, QNX, or similar. Familiarity with toolchains like Visual DSP, GNU C, STCube, and Code Composer. Strong understanding of the OSI model, especially application and data link layers. Extensive experience with communication protocols such as ARCNET, BACnet, RS-485, RS-232, SPI, and Ethernet/IP. Ability to interpret schematics and debug complex hardware/firmware interactions using lab instruments including oscilloscopes and logic analyzers. Comfortable working with modular hardware platforms and addressing embedded integration challenges. Preferred: Experience with fire alarm systems (FACP) and/or building automation solutions is highly desired. Knowledge of FX-4000 architecture or similar fire alarm control panels (FACP). Familiarity with graphical monitoring tools such as OpenGN. Understanding of DFT (Design for Testability) concepts and manufacturing test strategies. What Mircom Offers: A great working environment with opportunities for career advancement; a collaborative, innovative engineering culture where your ideas make a difference. The opportunity to work on technology that directly saves lives, shaping the future of building safety. Competitive salary Group Insurance benefits Company RRSP program We would like to thank all applicants for their interest in this position however only those selected for interviews will be contacted. Mircom Group of Companies is an equal opportunity employer that considers all applicants regardless of cultural background, religion, marital status, sexual orientation, family status, disability or any other grounds as outlined in the Human Rights Act. Mircom is committed to providing a welcoming and inclusive work environment for all individuals with disabilities in a respectful and dignified manner. Accommodations will be made available, upon request, to applicants who have specialized needs throughout the recruitment process.  Disclaimer: Mircom does not accept resumes from employment placement agencies, head-hunters or recruitment suppliers that are not in a formal contractual arrangement with us. Our recruitment supplier arrangements are restricted to specific hiring needs and do not include this or other job postings. Any resume or other information received from a supplier not approved in advance by Mircom to provide resumes to this posting or web-site will be considered unsolicited