Md. Mahmudul Hasan

Experience

• 

  Starlight Garments

  Feb 2011 - Feb 2014

  IT Assistant

  • Installing and configuring computer hardware, software, systems, networks, printers and scanners.• PC hardware/software troubleshooting, diagnosing & solving hardware or software faults in users’ PC.• Responsible for coordinating support of office building related IT issues such as network room power, UPS, telephony and collaboration tools such as video conferencing.• Providing 1st&2nd Tier desk side support to all employees (dealing with high volumes of Incidents/ requests and other queries raised via the self-service portal, telephone, email).• Work also Adobe Photoshop, Adobe Premiere & CCTV System configure & maintenance.• Time Access Control and payroll salary processing system. Show less

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  NASSA Group

  Mar 2014 - Mar 2022

  • Manages network operations to include: troubleshooting connectivity problems; installing & maintaining routers & UTM(s) adding/terminating users.• Configure and manage IP routing like DHCP, NAT, VPN, SSL, BGP, ACL, OSPF, BRIDGE, EIGRP, and GRE tunneling to route traffic between different Layer-3 networks.• Upgrade and manage hardware and software research upcoming products, service protocols, and standards in support of systems software procurement and development efforts.• Firewall device setup, maintenance & control also Sophos, MikroTik, Cisco & other routers.• Configure and maintain Linux server & windows server 2012/2016/2019 and services like Mail, DNS, DHCP and ADD servers.• Installing, configuring, and Supporting Central IP phone system & IP Camera, CCTV System. Show less

  • System Engineering

    Mar 2017 - Mar 2022

  • Assistant System Engineer

    Mar 2014 - Feb 2017
• 

  Labaid Hospitals and Diagnostics

  Apr 2022 - now

  • Providing technical leadership at the enterprise level serving an integral role in technical operations and supervising service delivery.• Managing complex IT infrastructure, including servers, virtualization platforms, and cloud-based resources, monitoring network and server performance and security, and proactively identifying and addressing any vulnerabilities or issues.• Developing objectives and strategies for the implementation of innovative solutions while optimizing existing systems, applications, and information.• Monitoring and maintaining virtual and physical server and storage systems. Installing, patching, and managing server and workstation operating systems.• Configuring, maintaining, and testing backups of all server systems, including Windows backups, SQL backups, and DR backups. Restoring files, databases, and systems as needed.• Ensure proper installation, configuration, administration, backup, and maintenance of various servers, including MS 365, AD, Linux, Exchange Mail Server, Web Server, DNS Server, DHCP Server, NAS Server, FTP Server, Application Server, Gateway, Firewall (CISCO ASA), UTM (SOPHOS), IPsec VPN, VPN Server, IP PABX & IP Telephony.• Provide L-1 and L-2 support for Installing, configuring, and managing network equipment routers, switches, firewalls, Windows OS, and Windows Servers, update, and maintain hardware and software, and assess and improve the network and computer system needs.• Managing network systems like OSPF, BGP, VLAN, MPLS, QoS, and Routing Table for various network load-balancing technologies.• Integration Network, Link Communication. Bandwidth Up-gradation/Down-gradation/Link disconnection, Building Network, Link Shifting/ Modification, Network Optimization and security as per plan, Data validation / IP Transmission infrastructure development.• Participating in security audits and assessments to evaluate the effectiveness of existing security controls and ensure compliance with industry standards. Show less

  • Manager, System Administration

    Aug 2023 - now

  • System Administrator

    Apr 2022 - Jul 2023