We are looking for an experienced, self-motivated Applications Engineer to join our Operational Technology (OT) team. You will act as a SCADA Subject Matter Expert (SME), responsible for developing, maintaining, and optimising regional and site-based SCADA systems that support Thames Water’s water and wastewater operations.

This role supports the digital transformation of the UK’s largest water company, delivering secure, resilient SCADA platforms operating 24/7.

What you’ll do as an OT SCADA Development Engineer

SCADA Development & Lifecycle Management

• Develop and maintain OT SCADA applications across the full lifecycle, from design and build through testing, deployment, and optimisation.
• Lead SCADA system, application, and framework upgrades to ensure platforms remain secure, supported, and maintainable.
• Develop and manage SCADA Object Template Libraries, standards, and configurations.
• Validate and deploy system upd...