Performance Test Architect – Utilities / OT (SCADA, ADMS, OMS)

Performance Test Architect – Utilities / Operational Technology Contract: 12 months | Inside IR35 Start: ASAP We are hiring an experienced Performance Test Architect for a major UK energy utility delivering a large-scale Operational Technology (OT) transformation programme. You will own performance testing end to end across critical grid operations systems, working with multiple vendors and client stakeholders. Key Responsibilities Define and own the end-to-end performance testing approach, strategy and test plans Elicit and document non-functional and performance test requirements with business and technical stakeholders Hands-on scripting, test execution and results analysis Performance testing of OT systems such as SCADA, OMS, ADMS and GIS Use monitoring tools (Splunk, AppDynamics, Dynatrace) for in-depth performance analysis, bottleneck identification and troubleshooting Manage multi-vendor stakeholders and act as the key client liaison for performance testing Provide clear progress updates, risk assessments and actionable recommendations to senior stakeholders 12+ years in Performance Testing and Performance Engineering Hands-on Operational Technology performance testing experience across SCADA, OMS, ADMS and/or GIS Strong end-to-end performance testing experience: approach, scripting, execution and reporting Experience with performance tools such as LoadRunner, JMeter or NeoLoad Experience with at least one APM/monitoring tool: Splunk, AppDynamics or Dynatrace Proven multi-vendor stakeholder management and client-facing communication skills Utilities / energy domain experience (electricity distribution, network operators) Experience with ADMS platforms such as GE PowerOn, Siemens Spectrum or Schneider EcoStruxure ADMS Experience on ADMS/OMS upgrade or migration programmes Must have the right to work in the UK (British citizen, ILR or EU Settled Status). Visa sponsorship is not available. Must be able to work on-site in Reading 2 days per week