Senior PLC Software Engineer

Senior Controls Software Engineer

Dungannon, Northern Ireland | Office-Based

£65,000+ DOE + Bonus + Flexi Time + Outstanding Benefits

Shape the Future of Electric, Hybrid and Autonomous Vehicle Technology

Are you an experienced Controls or Software Engineer looking to work on next-generation vehicle technologies? This is an exceptional opportunity to join an innovative engineering team developing advanced control systems for electric, hybrid and autonomous vehicles operating in demanding environments worldwide. Working at the forefront of vehicle controls, automation and software development, you'll play a key role in transforming complex vehicle functionality into robust, reliable and industry-leading software solutions.

From concept and architecture through to testing, validation and deployment, you'll be involved in the full product development lifecycle while working on cutting‑edge technologies that are shaping the future of transportation.

As a Senior Controls Software Engineer, you will be responsible for the design, development and integration of sophisticated vehicle control systems used across a range of advanced vehicle platforms. Working alongside multidisciplinary engineering teams, you'll develop software architectures, define control strategies, integrate complex electronic systems and validate solutions through rigorous testing processes. This role offers the opportunity to work across electric propulsion systems, autonomous technologies, advanced diagnostics, communication networks and embedded control applications within a highly innovative engineering environment.

• Develop software architecture and functional specifications using platforms such as Co De Sys  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

You will be an experienced controls or software engineer with a strong background in vehicle systems, automation, embedded software or advanced machinery controls.

• 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 Co De Sys , 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…