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.

If you're passionate about embedded systems, vehicle controls, automation and software innovation, this role offers the chance to make a genuine impact within a highly respected engineering environment

The Opportunity

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.

Key Responsibilities

Software & Control System Development

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

Systems Integration

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

Verification & Validation

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

Project Delivery & Continuous Improvement

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

About You

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

Essential 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 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…