Technical Specialist

• Jul 2022 - Present

IT Analyst

• Jul 2020 - Jul 2022

• Used to managed 3 Datacenter network and security devices all over the world. • Monitor network performance and troubleshoot problem areas as needed. • Designed firewall rule based & configuring policy and different kinds of NAT in the multivendor environment.Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of different kinds of Routes, Cisco Switches and Firewalls. • Management, configuration and troubleshooting of the network appliances like Load Balancers from F5 , Citrix Netscaler • Extensively using networking tools as Wireshark, TCPDUMP, Putty for troubleshooting the issue. • Used to Upgrade Different kind of Devices(F5 LTM, Cisco ASA, Checkpoint, Citrix Netscaler ADC, VMWARE AVI Load balancer). • Worked on different types of issues in Datacenter Nexus switches. • Configure, administer, and document firewall infrastructure, working with Checkpoint R80 versions. • Configuring and troubleshooting VLAN, VLAN Trunk, VTP, Switch Port Security, DHCP Snooping and basics of STP. Also, routing such as BGP, OSPF etc. • Worked on basic Configuration ,troubleshooting and upgradation on Cisco ACI Environment. • Worked on basic configuration and troubleshooting on VMWARE NSXT, Amazon AWS, Microsoft AZURE Environment • Creating multiple HLD and LLD documentation regarding the network and security environment. • Worked upon different types of RCA documentation. • Worked on the addition, modification and deletion of dns entry ,creation of forwarded lookup zone in the inflobox services. • Worked upon multiple kinds of decommission requests in the network environment. • Worked on the legacy vlan addition , basic troubleshooting , EPG creation and infrastructure upgradation in the Cisco ACI environment. • Worked on the configuration, modification, troubleshooting of the VPN infrastructure. Show less

Senior Network Administrator

• Apr 2019 - Jul 2020

Roles and Responsibilities: • Used to managed 3 Datacenter network and security devices all over the world. • Monitor network performance and troubleshoot problem areas as needed. • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Designed firewall rule based & configuring policy, static NAT & dynamic NAT for same site. • Taking Network device Backup configuration & restore it when needed via tftp. • Generating weekly report on bandwidth usage of the customers.. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of different kinds of Routes on Cisco L3 Switches and Firewalls. • Full management, configuration and troubleshooting of the network appliances like Load Balancers from F5 (including BIGIP LTM),Citrix Netscaler(including ADC) • Extensively using networking tools as Wireshark, TCPDUMP, Putty, WINSCP for troubleshooting the issue. • Used to Upgrade Different kind of Devices(LTM, Cisco ASA,Checkpoint,Citrix Netscaler ADC). • Worked on different types of issues in Datacenter Nexus switches. • Configure, administer, and document firewall infrastructure, working with Checkpoint R80 versions. • Configuring and troubleshooting VLAN, VLAN Trunk, VTP, Switch Port Security, DHCP Snooping and basics of STP. Also, routing such as BGP, OSPF etc. Show less

Senior Network Security Engineer

• Jan 2019 - Mar 2019

Network Engineer

• Sep 2017 - Jan 2019

Roles and Responsibilities: • Used to managed multiple Datacenter network and security devices all over the world. • Monitor network performance and troubleshoot problem areas as needed. • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Designed firewall rule based & configuring policy, static NAT & dynamic NAT for same site. • Taking Network device Backup configuration & restore it when needed via tftp. • Generating weekly report on bandwidth usage of the customers.. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of different kinds of Routes on Cisco L3 Switches and Firewalls. • Full management, configuration and troubleshooting of the network appliances like Load Balancers from F5 (including BIGIP LTM) • Extensively using networking tools as Wireshark, TCPDUMP, Putty, WINSCP for troubleshooting the issue. • Used to Upgrade Different kind of Devices(LTM, Cisco ASA,Checkpoint,Nexus,ASR). • Worked on different types of issues in Datacenter Nexus switches. • Configure, administer, and document firewall infrastructure, working with Checkpoint R75 to R77.x versions. • Configuring and troubleshooting VLAN, VLAN Trunk, VTP, Switch Port Security, DHCP Snooping and basics of STP. Also, routing such as BGP, OSPF etc. Show less

Associate Consultant

• Jul 2016 - Sep 2017

Working as an Associate Consultant (Network Security Engineer) in the project Atos IT Services Pvt Ltd posted on Bangalore. Project Siemens & DLL Financial Services Roles and Responsibilities: • Monitor network performance and troubleshoot problem areas as needed. • Design and deploy company LANs, WANs including servers, routers, hubs, switches. • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Designed firewall rule based & configuring policy, static NAT & dynamic NAT for same site. • Taking Network device Backup configuration & restore it when needed via tftp. • Generating weekly report on bandwidth usage of the customers.. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of different kinds of Routes on Cisco L3 Switches and Firewalls. • Configuring different virtual Servers, pool, pool members, Irules, cookie persistence etc. Hardware • Cisco ASA 5510,5520 Firewall(Version:8.4) • Cisco 4506E,3750G,3750 metro L3 Switches • Juniper SRX • Checkpoint firewall. • F5 loadbalancer(LTM). Show less

Network Engineer

• May 2015 - Feb 2016

CBSI India Pvt Ltd.(Concentrix Partner) Worked as a Network Support Engineer under CBSI India Pvt Ltd.(Concentrix Partner),Bangalore posted on Kolkata . Project Concentrix (Concentrix Daksh Services India Pvt Ltd.) Roles and Responsibilities: • Monitor network performance and troubleshoot problem areas as needed. • Design and deploy company LANs, WANs including servers, routers, hubs, switches. • Test and monitor the Back-up link availability • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Designed firewall rule based & configuring policy, static NAT & dynamic NAT for same site. • Taking Network device Backup configuration & restore it when needed via tftp. • Generating monthly report on user end issues • Configuring different types of VPN for external user accessibility. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of different kinds of Roues on Cisco L3 Switches and Firewalls. • Handling a network of 12 processes throughout East India Location. Hardware • Cisco ASA 5540,5510,5520 Firewall(Version:8.4) • Cisco 4506E,3750G,3750 metro L3 Switches • Juniper SRX100. • Fortigate 500D. Show less

Network Engineer

• Jun 2014 - May 2015

Dhii Health Tech Pvt Ltd(Wipro Infotech Partner) Worked as a Network Engineer under Dhii Health Tech Pvt Ltd.(Wipro Infotech Partner),Hydrabad posted on Kolkata . Project GRSE(Garden Reach ShipBuilders and Engineers Ltd.) Roles and Responsibilities: • Monitor network performance and troubleshoot problem areas as needed. • Design and deploy company LANs, WANs including servers, routers, hubs, switches. • Test and monitor the Back-up link availability • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Designed firewall rule based & configuring policy, static NAT & dynamic NAT for same site. • Taking Network device Backup configuration & restore it when needed via tftp. • Configure and troubleshoot Cisco Secure ACS server for external centralized AAA servers • Configuration and maintenance work of Cisco ACS “CSACS-1120-K9 chassis “server and add new devices (like switch, router) • Generating monthly report on user end issues • Configuring different types of VPN for external user accessibility. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Configure and troubleshooting of static routes on Cisco L3 Switches and Routers. • Handling a network of 9 areas throughout India Hardware • Cisco ASA 5540 Firewall(Version:8.0) • Cisco Secure ACS 1120 • Cisco 2811,1841,7206,3845 model routers • Cisco 4510 L3 Switches • Cisco 2950,2960.3550 model L2 switches Show less

Junior Network Administrator

• Mar 2013 - Jun 2013

Worked as a Network Administrator under Surflex Technology PvtLtd.(Wipro Infotech Partner) posted on Kolkata . Project Apollo Roles and Responsibilities: • Design and deploy company LANs, WANs including servers, routers, hubs, switches. • Configure network to ensure their smooth and reliable operation for fulfilling business objectives and processes. • Monitor Network performance and troubleshoot problem areas as needed. • Create and maintain documentation as it relates to network configuration, network mapping, processes, and service records. • Practice network asset management, including maintenance of network component inventory and related documentation and technical specification information. • Monitoring and test network performance and provides network performance statistics and reports. • Interact and negotiate with vendors ,outsources and contractors to secure network product and services. • Handling a network of 5 areas throughout India • Configure and troubleshooting Static Route on Cisco Routers. • Generating monthly report on user end issues • Delivering proactive monitoring and preventive maintenance for all locations. Hardware • Cisco 2641,1841 model routers • Cisco 4503,3750,3560 L3 Switches • Cisco 2950,2960 model L2 switches Show less

Technical Trainer

• Oct 2011 - Nov 2012

Job Profile: Result oriented Technical Trainer / Junior Network Administrator / Junior Linux Administrator – creative in identifying and designing effective solutions to meet the current needs and future expectations of business. Areas of expertise in: • Network Design • Installing and Configuring Operating System • Systems Application Software • Hardware/Software Troubleshooting • Server/LAN/WAN Optimization • User Management • Systems/Computer Lab Design • Network Analysis & Administration • Configuring & Managing Servers (Apache, Squid, Mail, DNS, DHCP, FTP) • Installing and Configuring Packages • Upgrading and Configuring Kernel Packages • Handling, attending and resolving the System issue Hardware: • Cisco 2500/2600series Routers • Cisco 2950/3550series switches(inline power) Show less