Vaibhav Agarwal

Experience

• 

  Hughes Network Systems

  Sept 2008 - May 2010

  Engineer

  • Handling MPLS backbone network and troubleshooting the problems.• Hands on experience on routing related issues in backbone network as well as customer network.• Implementing connectivity between remote locations using PPP, Multilink, HDLC, Frame Relay and ISDN. • Backup configurations and troubleshooting.• Proactive Monitoring & troubleshooting of Lease Lines and ISDN.• NMS day-to-day operations, to keep the system running and monitoring the end users environment for any expected/unexpected failure in any part of the Data network. Show less

• 

  Colt Technology Services

  May 2010 - Oct 2019

  • END to END responsibility of managing faults, expansions, migrations for DCN network which has OSPF in backbone and widespread switching domain.• SME for managing and troubleshooting ACI faults, migrations, network planning, UAT, Vendor discussions in association with Engineering team mates and Project team leaders.• Creating Automated Python scripts based on NOC requirements for reporting, configuration and upgrades.• Working on development of API’s to automate the provisioning on APIC.• Working with Security Network teams for migration of FW on APIC from Legacy network• Working with Engineering, Project and Capacity planning teams for new release management.• Handling Escalations and L3 support for DCN infrastructure.• Leading Planned works for any upgrades and migrations with NOC.• Re-Engineering DCN network for the gaps and SPOF. Show less • Resolution of Incidents in IP backbone faults running on OSPF and ISIS routing protocol.• End to End troubleshooting and configuration on MPLS network (PE-CE) routers.• Troubleshooting for services extends to End to End Ethernet having last mile (ATM switch/DSLAMs or Siemens XP 140 at PoP).• Managing the end to end responsibility for replacing EOL, EOS hardware on backbone and access network under maintenance window.• Managing and troubleshooting L2 switching network.• Extensively involved in upgrades and replacement activities on Service Provider core network. Show less Utilities Ping, Trace route, Telnet, HP-Open view etc.Network Hardware L2-Cisco switches (2950)L3- Cisco switch (4507, 3560)Cisco Routers- Cisco Series 1700, 1800,2600,3600, and 7600Technologies MPLS VPN, OSI model, IP addressing, ADSLInternet Protocols TCP/IP, IP, ARP, ICMP, TCP, UDP, FTP, TFTP, SNMP and IGMP. Routing Protocols Static and Dynamic (RIP, EIGRP, OSPF,BGP).Switching concepts Frame relay, LAN technologies (Ethernet-CSMA/CD), FDDI, VLANS, Redundancy concepts (HSRP), Wan Technology ISDN, Frame Relay, HDLC, PPP.Monitoring tools Easy NMS (For network)Security implementations Access-List, NAT. Show less

  • Sr. Tech Lead - ATS TAC DATA

    Dec 2016 - Oct 2019

  • Technical Lead - IP DATA Backbone

    Nov 2014 - Nov 2016

  • Sr. Engineer - Incident and Problem Mgmt , NOC

    Jan 2012 - Oct 2014

  • Engineer - Incident and Problem Management, NOC

    May 2010 - Dec 2011
• 

  BT

  Nov 2019 - now

  • Lead Consultant

    Aug 2022 - now

  • Consultant Network Designer

    Nov 2019 - Aug 2022