Mahmudul Hoque

Experience

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  NovoTel Ltd.

  Jul 2009 - Nov 2011

  System Engineer (Data Network & IT)

  • Maintained optimal functionality and reliability of local and international Points of Presence (PoPs) through diligent operation and maintenance tasks, including monitoring, and troubleshooting Router, Switch, and VOIP equipment for uninterrupted service.• Ensured the efficiency and connectivity of PoPs through IPLC, IP transit, Colocation, and cross-connection services.

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  Huawei

  Dec 2011 - Jun 2012

  Datacom Engineer, NIS

  • Successfully deployed of core MPLS backbone for the telecom operators Teletalk's first 3G and BTCL's NGN ICX project as a key contributor within the datacom team.• Delivered cost-effective solutions to customers for IT infrastructure, Data center, and network security with HLD/LLD and rollout plans.

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  DigiCon Telecommunication Ltd

  Jul 2012 - Dec 2021

  • Orchestrated end-to-end execution of six telecommunication projects (ISP, IIG, IX, IPTV, IGW, IPTSP) over 9.5 years, from RFP to rollout, ensuring seamless deployment & operations.• Maintained optimal functionality of local and international PoPs, troubleshooting Router, Switch, Firewall, and VoIP equipment for uninterrupted service.• Built & optimized large enterprise IT services and network infrastructure for reliability and security across on-prem and cloud environments.• Strengthened network security by implementing robust controls and policies, encompassing Cisco ISE, endpoint protection, Cisco/PaloAlto/Fortinet NGN Firewall defenses against known and emerging threats.• Implemented Fortinet/Cisco enterprise WiFi solutions for a large-scale corporate environment, resulting in improved network performance and seamless connectivity for over 1000 employees.• Enhanced network stability and performance by 30% through meticulous implementation and optimization of network monitoring tools like Nagios NMS, SmokePing, SolarWinds NPM. Implemented automated alerts and tailored staff training to reduce downtime.• Provided Backend support for network equipment and Wi-Fi systems, prioritizing and resolving tickets according to severity, and assisting L1/L2 with technical support.• Planned and designed network growth and expansion, evaluating and recommending hardware, software, and technology systems for purchase, and working with vendors to resolve problems including warranty issues. Show less IGW Operation:1. Planning, designing, operation, maintenance and integration of Core IP and Transmission network of IGW & IOS (International Gateway for both TDM & VoIP based long distance voice service).2. Lead technical interconnection with International Carrier and local ICX partners.3. Administration of all domain nodes-Huawei & Genband SBC-RSM, Juniper & Cisco Router-switch-firewall, Tejas SDH MUX, NMS & EMS.4. Leading a team with defined job responsibility to ensure smooth Operation, QoS and KPI.5. Develop operational process, documentation and fault management.6. Train and provide back end support for 24x7 NOC operation.7. Perform cross departmental activities with Core Switching, Billing, Marketing and other group functions. Show less

  • Sr. Lead Engineer, Technology & Network Operations

    Jan 2018 - Dec 2021

  • Lead Engineer, Technology & Network Operations

    Feb 2015 - Dec 2017

  • Engineer, Technology & Network Operations

    Jul 2012 - Jan 2015
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  Corporate Projukti Limited

  Dec 2021 - Jun 2022

  Solution Engineer, Network & Security

  • Built cohesive team of 10, driving collaboration for innovative network and security solutions tailored to customer needs.• Managed 3 bank and 2 enterprise projects within 6 months, overseeing 30+ bidding processes, including planning, budgeting, and stakeholder coordination.• Defined and managed client requirements with strategic routing/switching solutions, utilizing expertise in VLAN, STP/RSTP/MSTP, OSPF, BGP, MPLS, VPN, SDWAN, PIM, IGMP, and monitoring tools like tcpdump and traffic analyzer Wireshark for optimal performance.• Strengthened network/IT infrastructure by identifying and addressing security vulnerabilities, implementing access control, endpoint security, firewall, encryption, and ensuring robust storage, backup, and disaster recovery. Show less

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  OnX Canada

  Apr 2024 - now

  Network Engineer III

  • Design, configure, and maintain enterprise network infrastructure, including Cisco routers, Catalyst and Nexus switches, and enterprise wireless networks.• Deploy and manage Cisco firewalls (FMC, FTD, ASA) for advanced routing and security, including access control, site-to-site VPN, and Remote Access VPN (RAVPN) integrated with Cisco ISE.• Implement and support Network Access Control (NAC) using Cisco ISE, administer Infoblox DNS/DHCP services, and manage F5 LTM for application delivery optimization.• Manage and optimize Azure Cloud services, including Virtual Networks (Vnets), Network Security Groups (NSGs), Load Balancers, Azure Firewall, and ExpressRoute connections.• Plan and execute network implementations, develop comprehensive test plans, and apply Cisco design frameworks to meet organizational needs.• Analyze network traffic patterns, use performance monitoring tools, and ensure scalability, reliability, and optimal performance of the network.• Troubleshoot and resolve complex issues in switching, routing (EIGRP, OSPF, BGP), and WAN/DMZ technologies.• Ensure compliance with enterprise change control processes and adhere to ITIL methodologies for consistent and efficient network operations. Show less