Jalal Lalehparvar

Spearheaded the redesign of Cisco infrastructure across four branches for 300+ users, cutting downtime by 20%. Managed 25+ VPN tunnels and security policies through FortiGate, enhancing secure remote access. Administered 10+ VMware servers via ESXi/vCenter with HA and vMotion, maintaining 99.9% uptime. Maintained SAN storage systems handling 10+ TB of critical business data.

Implemented and managed virtual infrastructure supporting 30+ business-critical services, reducing hardware dependency and improving deploymentspeed. Resolved 90% of escalated endpoint connectivity issues remotely, reducing on-site support requests by 60% and improving first-call resolution rate to the highest on the team. Orchestrated 15+ upgrade and patch deployments for core infrastructure and virtualization platforms; ensured zero downtime and increased system stability by 40% across all platforms.

Closed 500+ service tickets covering hardware, OS, and network issues; maintained top-tier user satisfaction. Provisioned 100+ workstations, peripherals, and access credentials for new hires; ensured day-one readiness. Administered 200+ Active Directory user accounts and network services including DNS and DHCP; upheld infrastructure integrity.