2 of 2 Permanent Performance Management Jobs in Portsmouth

will contribute... Build and maintain strong relationships with business stakeholders, providing regular engagement, issue resolution, and escalation management. Assure the quality, performance, and efficiency of end-to-end IT services, supporting service resolution to minimise business impact and meet or exceed SLAs. Oversee and support significant IT changes, ensuring … impacts are understood, risks managed, and end-to-end testing completed prior to production. Lead and participate in Major Incident and Problem Management, including 24/7 rota cover, working closely with Product Group, Service Quality, IT Operations, and suppliers. Ensure clear, timely communication of service events and outages ...

Perform daily configuration, operation, and maintenance (O&M) of IMS Core network nodes to ensure continuous service availability. Monitor network KPIs and proactively provide performance improvement recommendations across internal and external IMS Core platforms. Collaborate with cross-functional teams using automation and analytics tools to improve operational efficiency. Execute … parameter configuration changes on the 5G Standalone Core platform, including cloud-native core environments and subscriber data platforms. Manage performance monitoring and alerting for 5G SA Core networks using modern observability tools (metrics, logging, and alert management). Conduct service validation, acceptance testing, and end-to-end functional ...