PermanentCentral London - 3 days on-site per weekUp to £90,000 (DOE)This is an exciting opportunity with a prestigious financial services client of ours who is seeking a talented Category and Performance Reliability Manager. This is a rare chance to play a central role in maintaining the stability and performance of one of the worlds most critical financial trading platforms. you''ll ensure regulatory compliance, proactive risk mitigation, and seamless handling of peak trading demands. Contribute to transparent global reference prices and help safeguard price risk management in a dynamic, business-critical environment. Job Title: Capacity and Performance Reliability Manager Job Type: PermanentSalary: Up to £90,000 (DOE) Location: Central LondonWorking Arrangement: Hybrid - 3 days on-site per week As Capacity and Performance Reliability Manager, you will: Forecast demand and plan capacity across virtual, containerised, and physical environments using historical data, predictive analytics, and scenario modelling. Conduct stress testing, performance tuning, and automate scaling/resource provisioning with Infrastructure as Code (IaC) and cloud-native tools. Maintain and enhance the Capacity Management tool suite (eg, Athene, Grafana) for zero data loss and high automation. Develop and manage Service Level Objectives (SLOs), SLIs, error budgets, monitoring, alerting, and observability solutions. Lead incident response, blameless post-mortems, and continuous improvement initiative