Shrey Datta

Experience

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  Network Bulls

  Jan 2011 - Mar 2014

  Sr. Network Engineer

  Worked as Senior Engineer and a Senior trainer. Also handled a Team of 22 Trainers, training them to workshops in Various colleges across the country about Networking.

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  Aricent

  Apr 2014 - Nov 2015

  Network Engineer

  • Providing assistance with implementation, installation and troubleshooting.• Provide L1 and L2 assistance to the networks with Cisco installed devices. This includes troubleshooting the networks belonging to Enterprise level customers like NASA, Defense and Civil Services etc.• This includes providing support for Cisco Switches (Cisco 6500,4500, 3750,3650 etc ).• Provide assistance to integrate Cisco proprietary products with Global networking protocols like QOS, RSTP, PVST, HSRP, RIP, OSPF, BGP etc.• The work structure is based on online/on call queries opened by Cisco customers and providing them real time assistance and also through emails.• This includes in re-creating customer’s scenario in Cisco LAB to minimize the troubleshooting effect on the production network.• Also, do real time troubleshooting on a live network without affecting the production.• Set-up Remote Access to customer’s network for troubleshooting.• Troubleshooting steps include configuration check, lab recreates and root cause analysis.• Handle escalationsExpertise:• Configuration and troubleshooting on Cisco routers like 7600, 3800 and Cisco catalyst switches 6500,4500,3750, 3560, 2960/2950 etc. Metro series switches ME3600, ME3800 etc• Basic LAN configuration- Vlans, Trunks, Ether-channels, STP, SPAN, inter VLAN routing.• LAN security- DHCP snooping, dynamic ARP inspection, IP source guard, private VLAN, port security. Show less

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  Collabera Inc. For Cisco

  Nov 2015 - May 2016

  Network Consulting Engineer

  • Designing and worked on creating various internal tools to help support Customers better.• Working with developers and checking various Networking based results for the tools and suggesting changes.

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  Cisco

  Aug 2016 - May 2017

  Network Support Engineer

  HTTS-TAC EngineerWork Profile:• Providing assistance with implementation, installation and troubleshooting.• Provide L1 and L2 assistance to the networks with Cisco installed devices. This includes troubleshooting the networks belonging to Enterprise level customers like NASA, Defense and Civil Services etc.• This includes providing support for Cisco Switches (Cisco 6500,4500, 3750,3650 etc ).• Provide assistance to integrate Cisco proprietary products with Global networking protocols like QOS, RSTP, PVST, HSRP, RIP, OSPF, BGP etc.• The work structure is based on online/on call queries opened by Cisco customers and providing them real time assistance and also through emails.• This includes in re-creating customer’s scenario in Cisco LAB to minimize the troubleshooting effect on the production network.• Also, do real time troubleshooting on a live network without affecting the production.• Set-up Remote Access to customer’s network for troubleshooting.• Troubleshooting steps include configuration check, lab recreates and root cause analysis.• Handle escalationsExpertise:• Configuration and troubleshooting on Cisco routers like 7600, 3800 and Cisco catalyst switches 6500,4500,3750, 3560, 2960/2950 etc. Metro series switches ME3600, ME3800 etc• Basic LAN configuration- Vlans, Trunks, Ether-channels, STP, SPAN, inter VLAN routing.• LAN security- DHCP snooping, dynamic ARP inspection, IP source guard, private VLAN, port security. Show less

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  Nokia

  Jun 2017 - Jul 2018

  Technical Specialist

  • Configuration and troubleshooting Nokia Routers like 7750-SR, 7210,7450,7950 with Service provider customer like Version, Bell, Level 3, T-Mobile etc.• Configuring and troubleshooting Service provider technologies like MPLS, VPLS, VPRN etc.• Working on Nokia specific platform issues and providing the RCA to the customer for the same.• Working on Routing Protocols and design and implementation issues which arise due to wrong scaling of the network.• Working with R&D to find the exact RCA for the issues arising with Nokia Customer’s (Service Provider’s)• Providing platform and protocol training the Nokia Customer’s like Vodafone, Idea, Bharti.• Performing health check and QOS audits for various Nokia Customers as agreed in their contract with Nokia.Troubleshooting issues arising with Routing Protocols like OSPF, IS-IS, BGP and fast convergence protocols like BFD Show less

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  Alphaserve Technologies®, an ECI Company

  Jul 2018 - Dec 2018

  Senior Network Engineer

  • Provide second/third level network support• Troubleshooting of complex LAN/WAN and firewall issues.• Troubleshooting EIGRP, OSPF, BGP, STP, RSTP, MSTP• Troubleshooting and upgrading devices Cisco devices (3750, 3850, 3650, ME3600, ME3800, Cat4500, 6500, 7600, 9300, ISR1000, ISR4000, ASR900, ASR9000) • Respond to network incidents and network service requests• Firewall configuration and troubleshooting• Create and follow up on tickets using ticketing and escalation procedures• Network monitoring and utilisation reporting• Handle direct customer calls and raise tickets• Incident validation / Alarm verification (i.e. log into devices to ensure certain alarms are not false positives)• Collect vital stats on devices and provide reporting• Create and maintain detailed network documentation• Open cases with 3rd party vendors (ISP, Cisco TAC, Palo Alto)• Perform upgrades and maintenance of network devices Show less

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  Cisco Systems (India) Private Limited, Bangalore

  Feb 2019 - now

  Network Consultant