Managing the performance, resilience and lifecycle of cloud services, infrastructure, devices and applications. Administering Microsoft 365, Entra ID, identity and access management, endpoint security and corporate SaaS applications. Maintaining corporate networks, including firewalls, switches, wireless, VPN, DNS and DHCP. Implementing configuration changes, integrations and automation to improve efficiency … consistency. Monitoring service health, capacity, performance and security, proactively addressing risks and vulnerabilities. Leading complex incident resolution, root-cause analysis and security investigations. Coordinating patching, upgrades, backups, recovery testing and business continuity arrangements. Maintaining technical documentation, operational procedures, asset records and IT service-management standards. Mentoring ...