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 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

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 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

Highly Desirable

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

What's on Offer?

£65,000+ depending on experience
Annual bonus scheme
Annual salary reviews
Flexi-time working
Early finish every Friday
30 days holiday
Enhanced maternity and paternity benefits
Health Cash Plan
Death in Service cover
Gym membership discounts
Salary sacrifice schemes
High street discounts
Branded clothing allowance
Free Will Writing Service
Fully funded Summer and Christmas events
Fundraising and social events
Bereavement leave
Parental leave
Long-term career progression opportunities
Exposure to advanced electric, hybrid and autonomous vehicle technologies

Why Apply?

This is far more than a traditional software engineering role.

You'll have the opportunity to work on innovative vehicle technologies, influence product development from concept to deployment, and contribute to projects involving electrification, automation, connectivity and autonomous operation.

For ambitious engineers seeking technical challenge, career growth and the chance to work on genuinely exciting engineering programmes, this represents an outstanding opportunity.

Apply today for a confidential discussion
Only candidates based in UK and eligible to work in UK are allowed