SalimReza

Assistant Manager Network Infrastructure and Operation

DBL GROUP • Full time

Sep 2023 - Present • 2 yrs 8 mos

•Architect and optimize fiber, LAN, and WAN networks to ensure high-speed, reliable, and scalable connectivity. •Design and implement data center–ready solutions, integrating virtualization, redundancy, and power management best practices. •Deploy and manage firewalls, VPNs, intrusion detection/prevention systems, and endpoint security to safeguard critical data. •Lead IT infrastructure management, including servers, storage, cloud solutions, and backup systems for optimal performance. •Plan, configure, and maintain wireless networks, switches, and routers for seamless connectivity and peak performance. •Enforce network and IT security protocols to ensure data confidentiality, integrity, and regulatory compliance. •Implement network and IT automation initiatives, streamlining configurations, monitoring, and troubleshooting workflows. •Deploy proactive monitoring tools to detect and resolve network, server, and application issues with minimal downtime. •Manage IT assets and vendor relationships, including procurement, upgrades, maintenance, and licensing. •Conduct risk assessments, disaster recovery planning, and business continuity strategies to minimize operational disruptions. •Oversee helpdesk and end-user support operations, ensuring SLA compliance and high user satisfaction. •Collaborate with cross-functional teams to integrate IT and network solutions with business-critical applications. •Evaluate and integrate emerging IT and networking technologies to improve efficiency, scalability, and cost-effectiveness. •Mentor and guide junior engineers and IT staff, fostering skill development and technical knowledge sharing. •Optimize network traffic management, system uptime, and overall IT performance to enhance business productivity.

Senior Executive Network and System Operation

Bengal Group • Full time

Mar 2022 - Sep 2023 • 1 yr 6 mos

• Configure, deploy, and maintain different brands of core routers (cisco, Mikrotik etc) in the corporate office with all site offices. • Configure, deploy, and maintain secured LAN, WAN, and DMZ firewalls (Cisco, Fortinet, Microtik, etc.). • Configure, deploy, and maintain secure LAN and Wi-Fi Networks centrally from the corporate office with sister concern companies. • Maintain and troubleshoot secure data with internet connectivity (fiber, radio) of the branch offices. • Configure and maintain core and access layer switches (cisco, dell) in corporate and all site offices. • Managing wide and local area networks, maximizing network availability and systems utilization, and ensuring maximum level network security through different level network security devices. • Prepare and implement short-term and long-term strategic plans to make sure that specific network security can always meet existing and future requirements for a group of companies. • Prepare IT to network OPEX and CAPEX Budget, implement different IT network projects & ensure smooth IT Network operation and monthly basis yearly budget control. • Communicate with vendors for the network device, data, and internet connectivity-related issues and resolve the problem. • Maintain, troubleshoot and deploy management core and access layer networks (Switch, access point) • Implement and maintain different types of network device log analysis and reports generated to be secured from unauthorized internal and external threats • Analyze new business network requirements to develop technical network solutions and frameworks. • Configure, maintain, and monitor network tools such as solar winds and PRTG and generate mail alert systems to ensure smooth IT operation and reliability. • Develop and maintain a checklist for IT network access and core layer devices with Data and internet links. • Strong knowledge of different types of VPN Tunnel

Network Engineer

Sysnet Solution Bangladesh Ltd • Full time

Dec 2019 - Mar 2022 • 2 yrs 3 mos

• Design and Configured Cisco 4431 Router ,Cisco 9200 L3 Switch ,Cisco 3504 WLC and 2800 AP's in Deloitte Bangladesh. • Worked as a L3 engineer in Tiger Project (Sanofi Pharmaceuticals to Baximco Pharmaceuticals). Work includes: -HPE DL 360,DL 380,HPE autoloader Configuration -Network Configuration -Domain Change , -User PC migration . • Network upgradation Of Standard Charted Bank (SCB), HSBC bank’s 20 branches all over Bangladesh. Major Works- -CCTV Configuration -Network Configuration -Stacking -AP configuration •Deploy CISCO C9300, C9200, SG 350X, SG 350-10, Cisco 2960, C 1000 switches and Routers in Sika Bangladesh •Deploy HPE DL360, DL 320, DL 380 Gen10 server, HPE Autoloader, Aruba Controller, Aruba AP, Cisco Switches at Dabur India Ltd. •Deploy a Video Conferencing system with Logitech Rally, Hp slice G2 and Microsoft Teams Room in Reckitt Benckiser, Gulshan-1. •Deploy Cisco Firewall ASA 5525, HPE DL360 Gen9 server At Regus Bangladesh Limited, Gulshan-2. •Rack mounted new servers in data center and remote locations as needed, Installed/upgraded Windows 2019 on production servers. Configured Virtual Machines. •Troubleshoot LAN and wireless networks (Cisco Access Point-Controller Based), Managed systems installations and implementations. •Plan and prepare the resources required for migration activity in the network. •Prepare BOQ for all kind of Cisco, Dell, HPE products according to the customer requirements