Md Rezaul Islam

Experience

• 

  Spectrum Engineering Consortium Ltd.

  Apr 2016 - Oct 2023

  • Work with network design, deployment, and engineering teams to operationalize stable, scalable platforms.• Serve as the technical lead for optical systems and components through the entire product lifecycle.• Manage the technical relationship with optics vendors to deliver new optical components to the required specification and schedule.• Function as a subject matter expert on optics technology by providing up-to-date, accurate information to colleagues and management.• Sound knowledge of routing protocol BGP, MPLS, IS-IS, OSPF, DHCP.• Designing, configuring, and setting up Cisco EPNM on an MPLS-based Optical Network.• Provide customer-facing, sales-aligned roles such as pre-sales engineer, sales consultant, solutions engineer & Work with cross-functional team.• Drive current DWDM designs to meet the demands of our customer satisfaction.• Provide Level-2/3 support and troubleshooting to resolve Cisco DWDM network issues.• Create processes that help operate and support the DWDM network.• Work closely with other Networking teams on operational escalations and support.• Review and implement changes on the DWDM network.• Drive operational excellence projects to drive improvements in DWDM network quality and reliability.• Provisioning Node by XML & Manually.• DWDM Corrective & Preventive Maintenance Support to the Client.• Troubleshoot complex problems and develop innovative solutions. Show less • Sound knowledge on configuring LAN, VLAN, WAN, VPN, SDH, DWDM.• Configuring, Troubleshooting, Technical Support CISCO DWDM & Huawei SDH.• In-depth understanding of DWDM and Layer 2 technologies. Intermediate level of knowledge for Layer 3 IP networks.• Familiar with CDC ROADM, coherent transponders, and flex-grid Optical Networks.• DWDM & SDH Fault diagnosis, Root cause analysis.• Technical Support on Cisco ONS 15454, NCS 2006 both Hardware & Software Platforms.• DWDM Long haul / Ultra Long haul transmission.• Familiar with test equipment such as OTDR, OSA, and/or other network analysis tools.• RAMAN Calibration / Tuning.• Monitor performance and ensure system availability and reliability.• Reporting network operational status by gathering, prioritizing information.• Collaboration with Cisco AS, TAC, and RMA Team.• Configuring Optical Encryption Line Card.• Basic Design & Edit using Cisco Transport Planner (CTP) Modeling tools.• Basic knowledge of Cisco ACI with SDN.• Configuring & Troubleshooting CISCO, Switch, Router & Security device.• Sound knowledge of routing protocol BGP, MPLS, IS-IS, OSPF, DHCP.• Basic Configuring & Troubleshooting Juniper & Mikrotik Router.• Configuring SIP Phone Using Asterisk.• Configuring CISCO Prime Optics & EPNM for Cisco DWDM Network monitoring & also Sound Knowledge about CISCO CTC, SNMP.• Configuring HUAWEI U2000 for network monitoring & troubleshooting.• Configuring CISCO ACS (access control server) for secure access to the core devices.• Experienced with UAT & OAT. Show less • Sound knowledge on configuring LAN, VLAN, WAN, VPN, SDH, DWDM• Configuring & Troubleshooting HUAWEI SDH & CISCO DWDM.• Configuring & Troubleshooting CISCO, Dlink, Switch, Router & Security device.• Routing and Routed Protocols (RIP, IGRP, EIGRP, OSPF, BGP) (TCP/IP) and has Knowledge of IP addressing Subnetting, and the ability to Troubleshoot ACL In Cisco.• Configuring CISCO Routers, Firewall (ASA), Layer 3 & Layer 2 Switches, Wireless LANController (WLC) with lightweight access points (LAP) and Standalone access points (AP).• Configuring CISCO Prime Optics for DWDM Network monitoring & troubleshooting also Sound Knowledge about CISCO CTC.• Fundamental Knowledge of 2G, 3G, 4G, & Submarine Network.• Manage, Monitor & troubleshoot WAN & LAN networks that have been implemented at Different projects. Show less

  • Network Engineer II

    Apr 2020 - Oct 2023

  • Network Engineer

    Apr 2018 - Apr 2020

  • Assistant Network Engineer

    Apr 2017 - Apr 2018

  • Junior Network Engineer

    Apr 2016 - Apr 2017
• 

  华为

  Oct 2023 - now

  Optical Network Engineer II