Applications Engineer

Thames Water • Berkshire, England • Posted June 20, 2026

About the Role

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...