Responsibilities: Design, implement, and support enterprise IT infrastructure covering network, systems, and cloud environments. Manage network and system infrastructure including Windows/Linux servers, virtualization platforms, and storage systems. Configure and maintain network components such as routers, switches, firewalls, VPNs, and load balancers. Deploy and support infrastructure monitoring tools to ensure system availability, performance, and reliability. Apply security hardening, patch management, and ensure compliance with security and regulatory requirements. Administer Microsoft 365 services, hybrid identity environments, and endpoint management solutions. Troubleshoot infrastructure issues and perform root cause analysis for incidents and outages. Execute ITSM processes including incident, problem, and change management activities. Manage IT assets, vendor coordination, procurement, and ensure SLA compliance. Collaborate with cybersecurity and project teams for infrastruct...