Ratnavo Dutta

Experience

• 

  Tech Mahindra

  Feb 2014 - Jun 2016

  Technical Support Associate

  Joined Canda Based Client (Internet Service Provider // ISP) Project. Delivering Support to SMB and Enterprise customers who cosumed dedicated WAN services from Telus. Roles and Responsibility are mentioned below:- Worked with a Service Provider(Client) - TELUS (located in Canada)- Managing Network Devices For Enterprise Customers.Proactively Monitoring Customer Network at NOC end. - Troubleshooting at Layer 2 and at Layer 3 WAN link.- Making configuration change based on Network requirement.- Worked with Level-2 Network Engineers to ensure faster approach to solution on customer cases.- SNMP string configuration on Managed devices for monitoring purpose.- Handling customer calls for resolving P1 cases and ensuring customer satisfaction.- Monitoring CE devices 24x7 thereby maintaining SLA as provided to the Enterprise customers.- Co-coordinating with various internal teams for smooth implementation of any change or upgrade. Show less

• 

  Capgemini

  Jun 2016 - Feb 2019

  Managing Remote Data Centers, deploying configurations as per change requirements. Below are few detailed lists of roles and responsibility:- Configuration IPSec ikev2 Site-to-Site VPN and troubleshooting.- Troubleshooting on Cisco ASA(5520, 5550) with IOS 9.1 and above and Checkpoint R77.30- Configuration of policy, NAT, objects, object-groups and service group on ASA and Checkpoint.- Applying policy on BlueCoat Proxy and troubleshooting based on policy trace. Blue Coat Device SG600-35(Proxy SG) and Blue Coat Reporter.- IOS upgrade activity achieved on ASA and Fortigate.- VDOM based troubleshooting on Fortigate(300C, 314B, 600C, 800C, 1k). IOS version 4.4 and 5.4. - Configuration of policy, object group and service objects in firewalls.- Working knowledge on Fortigate Manager(FWM), Firepower(FTD) and Nexus Fabric Manager(NFM)- Worked on F5 devices(LTM) for creating VIPs, Pools and updating SSL certificate based on situation and clients requirements. Troubleshooting on F5 LTM.- Troubleshooting on Nexus devices(5548, 56128P, 7010, 9000) and Nexus Fabric Manager.- Troubleshooting on Layer 2 and Layer 3 device(3600X, C2960S, Cisco 1941 K9, Cisco ASR). Show less Started career in managing Data Center Projects with few roles and responsibilities mentioned below:- Working as Network Infrastructure Services (NIS) for a UK based Data Centre providing shared and security services to Capgemini Clients.- Access To All Layers Of Data Centre.- Troubleshooting on Firewalls.- Configuration of policy, objects, object-groups and service group on ASA and Checkpoint.- Applying policy on BlueCoat Proxy.- VDOM based troubleshooting on Fortigate(300C, 314B, 600C, 800C, 1k). IOS version 4.4 and 5.4. - Worked on F5 devices(LTM) for creating VIPs, Pools and updating SSL certificate based on situation and clients requirements. Troubleshooting on F5 LTM.- Providing Firewall Access based on request from client on Checkpoint.- Troubleshooting on Nexus devices(5548, 56128P, 7010, 9000) and Nexus Fabric Manager.- Troubleshooting on Layer 2 and Layer 3 device(3600X, C2960S, Cisco 1941 K9, Cisco ASR).- Disaster Recovery Test.- ISDN failover activity.- Following ITIL guidelines under each Incident or Change related process.- Involved in testing of in-house automation tool for configuration Show less

  • Consultant

    Jul 2018 - Feb 2019

  • Associate Consultant

    Jun 2016 - Jun 2018
• 

  Tata Consultancy Services

  Mar 2019 - Feb 2020

  IT Analyst

  Cloud Infrastructure Unit | Part Of Migration Project | Network Security- Providing and working on new network solution and design.- Migrated Clients based on new network architecture or Green Field migration.- Understanding Of Private & Hybrid Cloud Infrastructure.- Supporting DC across multiple regions.- Knowledge on Open Stack Architecture- Knowledge on ACI and 9k integration- Implementation of Policy Rule set and creation of EPG using open stack.- Building contracts using APIC or Open Stack.- Building site-to-site VPN on FTD, Palo Alto, Checkpoint, ASA.- Knowledge on Implementation of NAT/PAT/ACLs.- Troubleshooting on legacy based DC environment and 9K production using ACI.- Migration and Build Task of new and existing Network Infrastructure.- Configuration of Netscaler and F5 in LTM and GTM. Show less

• 

  Microsoft

  Feb 2020 - now

  Initially started task and its role as Azure Adminitrator which involved knowing all the IaaS and PaaS producst and its working along with management and troubleshooting.o Working on Azure Networking services/IaaS and providing solution on best practices.o Troubleshooting and assistance on any major escalation cases on Azure core technologies.o Working knowledge and troubleshooting skills on Virtual WAN or vWAN.o Working knowledge and troubleshooting skills on Application Gateway.o Working knowledge and troubleshooting skills on AFD or Azure Front Door and CDN.o Working knowledge and troubleshooting skills on ATM or Traffic Manager.o Working knowledge and troubleshooting skills on DNS and DNS setup.o Working knowledge and troubleshooting skills on Hyper-Vo Working knowledge and troubleshooting skills on Load Balancer, VNet, NAT Gateway, Azure Firewall, NetworkWatcher and Azure Monitoro Implementing and giving scripting solution of deploying resources using PowerShell either using Terraform or usingVisual Studio Code.o Practical implementation of Azure resources such as Azure VM, Storage, Networking using VS-Code and maintainrepository in GitHub.o Working as an SME in India and across globe, helping Team in meeting their requirements.o Conducting trainings within the team and across team for Azure Networking technologies. Show less

  • Senior Network Support Escalation Engineer (TAC)

    Sept 2024 - now

  • Network Support Escalation Engineer (TAC)

    Oct 2023 - now

  • Network Support Engineer (TAC)

    Feb 2020 - Oct 2023