Senior PLC Software Engineer

Salary: £65,000 - 75,000 per year

Requirements

• Degree qualified in Electronic Engineering, Software Engineering or a related discipline, or equivalent industry experience
• Minimum 5 years experience within OEM, Tier 1 automotive, off-highway, heavy equipment or vehicle engineering environments
• Strong experience in software development and systems integration
• Proficient with CoDeSys, MATLAB, Simulink and Stateflow
• Experience developing embedded control systems and software architectures
• Strong understanding of CAN, Ethernet, CAN Open and J1939 communication protocols
• Experience delivering projects through the full development lifecycle
• Understanding of software development methodologies including the V-Model
• Experience with design verification and validation processes
• Excellent problem-solving and analytical skills
• Experience working with electric and hybrid vehicle technologies
• Knowledge of functional safety principles
• Experience with autonomous vehicle systems
• Familiarity with HIL and SIL testing environments
• Experience using Vector CANalyzer, CANfox or similar vehicle diagnostic tools
• Knowledge of FMEA, 8D and structured root cause analysis methodologies

Responsibilities

• Develop software architecture and functional specifications using platforms such as CoDeSys and Danfoss PLUS+1
• Translate vehicle functionality requirements into robust software solutions
• Design and implement advanced control strategies for electric, hybrid and conventional vehicle systems
• Support model-based development using MATLAB, Simulink and Stateflow
• Promote software standardisation, reusability and best practice across multiple vehicle platforms
• Define electronic architectures and hardware solutions
• Integrate ECUs, motors, drives, sensors, energy storage systems and vehicle control systems
• Ensure reliable communication using CAN, J1939, Ethernet and CAN Open protocols
• Support autonomous vehicle and auxiliary system integration projects
• Implement diagnostics, fault management and remote monitoring capabilities
• Perform vehicle-level testing and system validation
• Conduct Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) testing
• Carry out fault insertion testing and functional verification activities
• Support prototype development, workshop testing and field trials
• Ensure compliance with relevant safety and quality standards
• Support multiple engineering projects simultaneously
• Develop project plans and software delivery schedules
• Maintain detailed technical documentation and traceability records
• Participate in design reviews, risk assessments, FMEA and root cause investigations
• Contribute to continuous improvement initiatives across software and systems engineering functions

Technologies

• CODESYS
• Embedded
• Ethernet
• Hardware
• Support
• Matlab
• C++

More

We are an innovative engineering team based in Dungannon, Northern Ireland, working office-based on next-generation electric, hybrid and autonomous vehicle technologies. We offer a competitive salary of £65,000+ DOE, annual bonus, flexi-time, an early finish every Friday, 30 days holiday, enhanced family leave, a Health Cash Plan, Death in Service cover, gym membership discounts, salary sacrifice schemes, high street discounts, branded clothing allowance, a Free Will Writing Service, funded summer and Christmas events, social and fundraising activities, bereavement leave, parental leave, and long-term career progression. This is a highly respected engineering environment where we develop advanced control systems for demanding vehicle applications worldwide and offer exposure to cutting-edge electrification, automation and connectivity programmes.

last updated 28 week of 2026