C# Programmer / OT (Operational Technology) Applications Engineer

Location: Wrexham
Salary: £34,000-£40,000
Job Type: Permanent
Hours:

Monday-Thursday: 08:00-17:15
Working Fridays: 08:00-16:15

Join a Growing Automation Team Driving Global Innovation

We are recruiting for an OT Applications Engineer to join a cutting‑edge automation department that is leading the charge in automating recycling processes across UK and international facilities. This team designs, builds, and implements bespoke automated equipment and production lines, leveraging the latest technologies such as 3D printing, industrial robots, cobots, smart factory tools, and Industry 4.0 systems.

As part of a major digital transformation initiative, we are expanding the team to support continued innovation in operational technology and automation development.

The Role

As an OT Applications Engineer, you will design, develop, implement, and maintain OT applications and automation systems across both UK and overseas manufacturing sites. Your work will ensure seamless integration between OT applications, control systems, and wider IT platforms, while maintaining cybersecurity and operational performance.

Key Responsibilities

Application Development & Integration

Configure and deploy SCADA, HMI, and MES systems
Develop automation logic/scripts for PLCs and industrial controllers
Build custom OT applications using C# and web‑based languages/frameworks
Develop systems that support data collection, analysis, and integration

System Commissioning

Install, test, and validate OT applications on production lines and automated systems

Maintenance & Optimisation

Monitor and troubleshoot existing OT and automation systems
Apply updates, patches, and performance enhancements
Ensure system reliability, uptime, and compliant security standards

IT/OT Convergence

Integrate OT environments with enterprise IT systems for analytics, reporting, and improved visibility

Support & Documentation

Provide technical support for OT applications
Maintain comprehensive technical documentation for applications and integrations

Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

By applying for this role your details will be submitted to Adecco. Our Candidate Privacy Information Statement explaining how we will use your information is available on our website