B M Zahir

Experience

• 

  HCLTech

  Sept 2020 - Aug 2022

  Senior Infrastructure Analyst
• 

  Cube Networks

  Aug 2022 - now

  Network Operations Center Engineer

  • Providing network technical support and implementing solutions for enterprise key clients in Australia.• Managing and monitoring all installed network infrastructure within managed services environment.• Monitoring network engineering performance and ensuring the highest levels of network infrastructure availability.• Troubleshooting and managing Fortinet, Cisco, Meraki, Palo Alto Panorama firewalls, Forti Manager, and Forti Analyzer services.• Responsible for creating emergency change requests for FortiGate, Cisco, Meraki, and Palo Alto firewall changes, applying firewall configuration, and post-verification with customers.• Troubleshooting Cisco APIC multi-pod fabric within the data center environment.• Demonstrated technical expertise in supporting network services that include LAN, WAN, Wireless, Voice, IDS/IPS, VPN Solutions, Web Application Firewalls, Content Filtering, Cisco ISE, DNS/DHCP Systems.• Strong understanding of network technologies, protocols, and industry trends (SD-WAN, TCP/IP, BGP, VPN, IPsec, Routing, Switching, traditional WAN technologies)• Working with service vendors on TAC cases (Cisco / Fortinet / Meraki)• Hands-on experience with NGFW Palo Alto Firewall, Fortinet, and Cisco Firepower Threat Defense.• Hands-on experience with Cisco Meraki, Cisco Prime, Cisco Identity Services Engine (ISE), Cisco Unified Communications Manager (Call Manager), and Juniper Mist.• Configure various network devices and services (e.g., routers, switches, firewalls, load balancers, VPN, QoS)• Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations.• Provide intermediate technical support (level 2/3) related to network/security device configuration and troubleshooting, root-cause analysis, vendor management and escalation.• Adhere to ITILv4 processes, execute on incident, problem, change and service requests in a timely and efficient manner. Show less