Applications Engineer - Hampton, Greater London
14 hours ago
Hampton
Contract: PermanentSalary: Competitive salary up to £66,000 per annum depending on experienceWe 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 updates including Windows patches, security updates, and antivirus. Regional, Site & Interface Development, • Deliver regional and site SCADA developments, including standardised architectures and deployment solutions., • Develop SCADA interfaces, data streams, and telemetry communications., • Provide technical SCADA input to capital delivery projects through design and commissioning. Availability, Fault Management & Support, • Ensure SCADA solutions are fit for operational use and support a 99.98% availability target., • Provide second-tier OT technical support, including complex fault investigation, hotfixes, and incident resolution., • Work with system integrators and vendors to resolve issues and improve system performance. Stakeholder Engagement & Continuous Improvement, • Translate operational requirements into effective SCADA solutions., • Contribute to OT strategy, standards, and architecture development., • Review emerging SCADA and OT technologies and support continuous improvement., • Strong experience in SCADA programming, development, and maintenance., • Proven ability to manage competing priorities in reactive operational environments., • Experience with SCADA platforms such as AVEVA/Wonderware System Platform, InTouch, FactoryTalk View, and ClearSCADA., • Software development experience using Microsoft .NET, C#, and structured development practices., • Experience programming to IEC 61131 standards (LD, SFC, FBD, ST, IL)., • Knowledge of Windows operating systems, virtualisation, and IP-based communications., • Experience with telemetry protocols including DNP3, WITS DNP3, Modbus, and MQTT., • Strong technical documentation and reporting skills., • Experience in the water industry, utilities, or similar regulated sectors. Essential Technical Skills & Qualifications, • HNC (or equivalent) in a relevant technical discipline., • Strong understanding of OT systems and architectures., • Experience supporting relational and historian databases (e.g. SQL, PI, Wonderware Historian, ClearSCADA)., • Proficient in Microsoft Office and Visio., • Full UK driving licence. Desirable Experience & Skills, • Experience working within water operations or OT delivery teams., • Knowledge of OT methodologies and best practices., • Ability to clearly communicate complex technical concepts to non-technical stakeholders. What’s in it for you?, • Competitive salary: Up to £66,000 per annum, depending on experience., • Car Allowance: £4,500., • Annual Leave: 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)., • Performance-related pay plan directly linked to company performance measures and targets, • Generous Pension Scheme through AON.