Principal Firmware Engineer - Scotland

  • McNally Recruitment Ltd
  • Cumbernauld, Lanarkshire
  • Dec 16, 2025
Full time I.T. & Communications

Job Description

The Principal Firmware Engineer will provide technical leadership in the design, development and maintenance of software and firmware components utilized in Continuous Gas Analyzer Products with a strong emphasis on embedded systems and hardware-level integration. This includes firmware engineers who work on code for the board using C and C++ and collaborate closely with electronics engineers. This role requires both technical leadership and strong interpersonal skills to support front-facing responsibilities. Work may involve sustaining legacy codebases as well as new product development, depending on roadmap priorities.

PLEASENOTE

theclientwillonlyacceptcandidateswhoareauthorisedtoworkinthe UK, without the requirementforsponsorshiporANYtypeofvisa(e.g.dependant/spousal,post-studyetc.)Inaddition,thisrolehybridbasedwith4daysintheScottishoffice,thereforeyoushould currentlybe locatedinScotland.

PRINCIPLE JOB RESPONSIBILITIES
  • Perform requirements capture and analysis
  • Develop software/firmware architecture and concept proposals
  • Cyber-security risk analysis and mitigation strategies including assessments of cybersecurity notifications for 3rd party components
  • Co-ordinate estimation of development tasks to support project and software release planning
  • Design, coding and unit test of software/firmware components
  • Technical review of other team members' output including design, code and test plan reviews
  • Provide coaching and mentoring of other software team members
  • Collaborate with Product Owners, Scrum Masters, Software Developers and Testers within a Scrum framework and other functions within a global team
  • Work closely with electronics engineers for integration between firmware & hardware components
  • Bug capture, analysis and resolution
  • Co-ordinate technical support for field or manufacturing issues
  • Ensure compliance with software quality & process controls as specified by Global Software Manager
  • Provide recommendations to Global Software Manager of appropriate new tools, technologies, 3rd party components, industry best practices, etc.
  • Support leadership in Software team recruitment
  • Support Cyber Security legislation and SIL-related activities
  • Familiarity with safety standards and design authority transitions is beneficial
REQUIRED QUALIFICATIONS AND EXPERIENCE
  • Minimum 7 years of experience with embedded software development, preferably on Linux
  • Engineering degree within software, electronics, or computer science, or knowledge at the same level
Desirable Skills and experience
  • Strong technical knowledge of C and C++
  • Development experience with low level hardware interconnect protocols, i.e. CAN, SPI, UART, etc.
  • Strong skills in Real-time multi-threaded embedded systems and microcontrollers
  • Strong skills in Industrial protocols: Modbus, Profinet, HART, and Fieldbus
  • Development experience working with ADC or DAC devices
  • Experience in bare metal firmware development, and developing firmware within an RTOS environment
  • Familiarity with application development for embedded Linux distributions
  • Practical experience in board bring up and debug using appropriate tools and techniques