Dolat Kumar Email & Phone Number

Karāchi, Sindh, Pakistan

• Network Printer Setup: Installed and configured network printers for seamless operation across departments. Set up printer sharing and ensured proper network connectivity for all users.• Cisco Catalyst Switch Configuration: Configured Cisco Catalyst 3750-X Switches (24/48 Port Models) for optimized network performance. Managed VLAN assignments, port configurations, and network traffic to ensure reliable and secure communication.• Network Monitoring: Monitored multiple network devices, including Cisco switches, Mikrotik routers, and Fortinet Firewalls, to maintain optimal uptime. Regularly checked logs and traffic for potential anomalies, preemptively addressing any performance issues.• Data Center Operations: Managed data center activities, maintaining server hardware, cooling systems, and ensuring stable power supply. Prevented downtime by regularly inspecting infrastructure and applying proactive maintenance measures.• IP Phone Configuration: Installed and configured Polycom IP Phones, manually setting static IP addresses, configuring the subnet mask, default gateway, and DNS servers. Integrated with the network using PoE (Power over Ethernet) for reliable communication.• Daily Server Backups and Security: Performed daily backups of servers and managed data security protocols. Installed and configured Symantec and Trellix endpoint protection to safeguard the organization’s data from cyber threats.• Operating System and Software Management: Installed and managed Windows 10/11 operating systems, configured domain users, and handled various software installations, including different versions of Microsoft Office (2007, 2010, 2016).

Karāchi, Sindh, Pakistan

• VSOL OLT & ONU Configuration: Configured VSOL OLT (GPON/EPON) and ONU (MT-1501) to manage fiber optic networks, ensuring consistent and stable internet connectivity for both residential and commercial clients.• MikroTik Router Setup: Configured MikroTik routers with DHCP, auto failover, and bridging, maintaining a stable and efficient LAN/WAN infrastructure. Ensured that the system automatically switched to backup connections in case of primary link failures.• Switching & VLAN Management: Managed VLAN configuration and Layer 2/3 network protocols on Maipu switches (S4300, S4100, S3100). Ensured proper segmentation and optimization of network traffic to enhance performance and secure client data flow.• Network Path Optimization: Configured inter-switch connectivity, designed VLAN setups, and implemented Layer 2/3 security protocols to maintain seamless data transmission across networks. Worked closely with clients to adhere to specific network configurations and standards.• P2P and Dark Fiber Testing: Conducted Point-to-Point (P2P) testing and analyzed dark fiber connectivity for performance and stability. Coordinated with field technicians, customers, and service providers to troubleshoot and resolve network issues swiftly.• Network Monitoring & Troubleshooting: Utilized tools like SolarWinds and Cacti for proactive network monitoring. Diagnosed potential issues and reduced network downtime by resolving failures before they impacted client services.• Reporting & Performance Analysis: Developed detailed reports based on CRM ticket metrics, monitoring alarms, and analyzing network trends. Implemented corrective actions based on performance insights to improve overall network reliability and efficiency.