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