Sherief Refaat Diab

• Deployed Hybrid Microsoft Exchange Server 2019, centralizing email management for cloud and on-premises operations. • Designed and implemented SharePoint Server 2019 with SQL integration, streamlining document management and collaboration. • Spearheaded 20+ large-scale IT projects, including SAP ERP systems infra structure and layout, disaster recovery implementations, and data center implementation & migrations, network redesign topology, WAN design topology • Enhanced operational efficiency by automating workflows and improving collaboration tools. • Reduced organizational IT costs by 30% through strategic vendor negotiations and hardware optimizations. • Improved IT infrastructure reliability, achieving 90% uptime through robust configurations and disaster recovery protocols. • Strengthened cybersecurity using advanced firewalls (Sophos, Forti, Cyberoam, Sophos Home Edition) and endpoint protection. • Deployed, Configured and implement Cisco and Juniper core, distribution & Edge s