Firmware Engineer

Firmware Engineer - Embedded Systems & Custom Protocols 📍 Location: Mawdesley, West Lancashire (Office-based - own transport required) 💰 Salary: Competitive, based on experience 🕒 Job Type: Full-time, Permanent 🎓 Level: Mid to Senior About Us A UK leader in the design and manufacture of life safety and compliance technology, including fire alarms, nurse-call systems, and assistive hearing devices. Based in Wigan, with a cutting-edge R&D facility in Mawdesley, we are a growing, engineering-focused company where your technical skills make a real difference. The Role We are looking for an experienced Firmware Engineer to join our R&D team, working on complex embedded systems for life-critical applications. You will: Develop and maintain embedded firmware for ARM microcontrollers Work on distributed systems with custom networking protocols Implement touchscreen HMI functionality for user interfaces Write robust, efficient code in C for real-time embedded environments Collaborate with hardware, software, and product teams across the full product lifecycle Debug, test, and validate code using tools such as IAR Embedded Workbench Contribute to systems design, architecture, and product innovationAbout You You're a confident, capable firmware developer with a track record in complex system design. Essential skills and experience: Solid commercial experience in embedded C development Strong understanding of ARM-based microcontrollers Experience with IAR Embedded Workbench (or similar IDEs) and toolchains including Segger middleware Familiarity with real-time operating systems (RTOS) and low-level debugging Experience designing firmware for distributed systems with custom comms protocols Experience developing touchscreen HMI interfaces Experience in regulated or safety-critical industries Familiarity with electronics/hardware design principlesNice to have: Knowledge of EMC, signal integrity, or power managementWhat We Offer 34 days annual leave (including bank holidays) Private health insurance + death-in-service benefit Healthcare cash plan Enhanced pension contribution Discretionary Friday half-day Real technical ownership and variety in your role Career progression within a growing R&D-focused companyInterested? If you're ready to take ownership of technically demanding projects and want to help create innovative, life-saving systems, we'd love to hear from you