Nagesh Duraphe

(5.2) Service Provisioning – Team Lead

Working for Singapore based client project

The point of contact for technical matters escalations

Take ownership of technical faults, conduct full and thorough diagnostics, and manage the issues in a logical and methodical manner

Ensure all technical issues are progressed and cleared within agreed SLA, including the need to

escalate to other internal and external teams where appropriate

Resolve the technical issues to the customers’ satisfaction

Ready to take on any additional scope of work as agreed with the customers and assigned by the management

Manages the entire team roster for operations

Performs product trainings and knowledge transfer to colleagues

Provides training for on-boarding new Operations Engineers

Provides monthly reports and inputs on how to improve the existing process

Technology – Huawei Packet Transport Network (PTN) 900 Series

(5.1) Senior Engineer - Operations

Worked for US based client project

GCR (Global Change Request) planning, scheduling and implementation

List of activities during GCR – Mux Insert/Decommission, Ring Upgrade, Ring Uplift over XPAK/DWDM, Metro Ring Headless Conversion, Circuit Grooming and Channel commissioning over ADVA DWDM equipments

Alarm monitoring and ensuring no service outage after the GCR completion

Worked on equipments: ADVA FSP 3000, Alcatel Lucent 1665 DMX Family, Fujitsu FW4100, FW4200, FW4500, FLM150, FLM2400, Ciena Coredirector, 5400 Family, Cisco ADM15454 Transport

Providing Tier-3 TAC support for Tejas equipments. Debugging/troubleshooting the critical issues with network support team for DWDM, MPLS-TP, CE, Ethernet (L1/L2), SONET/SDH (TJ100ME, TJ1500, TJ1600c, TJ2K, TJ14XX) products.

Trying to reproduce the field issue in our LAB with the use of all the required inventories with same config file.

Running automation utility to reproduce the field bug.

If the field issue gets reproduced, coordinating with design team to find the problem in software/FPGA/Hardware.

If the issue declared as bug then tracking the bug with R&D to fix in next release.

SDH Network optimization/migration for congestion and capacity planning.

Execution of planned events for traffic re-routing & optimization during maintenance window doing network change activities like new node integration, capacity Up gradation: STM-1 to STM-4 or STM-4 to STM-16/STM-64, traffic migration between different network elements, ring migration, ring splitting, NE shuffling, KLM Repacking in coordination with field engineers.

Executing of DCN plan during PE, which involves the DCC configuration for network element remote manageability such as assigning IPs, port DCC configuration, area address changes, etc.

Troubleshooting and fault rectification after the completion of planned events if any circuit outages.

Ability to troubleshoot faults across different transport network elements.

Defining Protection Schemes like SNCP, MSP and BLSR configurations.

Provisioning in Nortel, Ericsson, Fibcom and Tejas muxes.

Planning for optical & electrical interfaces.

Traffic migration activities from Huawei DWDM 6100 to Huawei ASON 6800/8800.

End-to-end circuit provisioning of E1, E3/DS3, VC4, VC4-4C using NMS/EMS.

Identification of network bottlenecks and planning the same for resolution.

Investigation, analysis and troubleshooting of frequent customer link outages.

Preparation and execution of improved network re-routing plans (2CNO) to avoid future outages.

Routine audit of various critical links like STP, BSC, Ater, GBL, RDN, MEN, etc.

Active participation in network cleaning project and doing activities like identification of hanging cross connections, alarm clearance in various network elements.

Worked on equipments:

1. Fibcom: 6325, 6335, 6340, 6345, 6350

2. Ciena: OME 6110 Family, OME 6500

3. Nortel: TN 1C/1X/4XE/16XE/DX/HDX

4. Ericsson/Marconi: OMS 800, 1200, 1600, & 3200 Families

SDH/SONET transmission NOC (24X7) for Tata Communications International network. Working on NMS/EMS for ECI, Turin, Marconi and much other SDH/SONET transmission equipment along with Nortel DMS/SONUS NGN Switch for voice solution.

Troubleshooting of end to end enterprise customer links of various speeds like 64Kbps, E1/ T1, DS3, STM1, Voice circuits, International leased lines, Ethernet over SDH circuits.

Worked on NORTEL Voice Switch and STP switches, Checked CICs status, carrier status, troubleshooting on link down, continuity testing, call testing issues.

Handling TX SDH/SONET equipment like Marconi (MSH 86, Positron), ECI-XDM 1K, XDM 2K, XDM 100, Turin (T2000, TA200) and TDAX etc. Siemens New Bridge equipment for 64 Kbps circuits in access rings.

Having hands-on on cross connection management, loop testing, and performance management for testing of T1/E1/DS3/OC3.

Having hands-on on ticketing tools like REMEDY/REGP/VIZNET, circuit database like REGI/NIMS/Crammer.

Follow up with International field engineers, customers, local carriers/last mile service providers to troubleshoot and maintain MTTR.

Analysis of capacity and route in case of rerouting of international E1/T1/DS3, VC4, and OC3 circuits in the time of major outage like undersea cable faults.

Analysis of repeated/chronic fault cases for customer’s circuit and repair action plan to resolve (Identify faulty segment during long duration testing /route changes/hardware up-

gradation/monitoring). Discussions with other international/domestic service providers to finalize Plan of Action (POA).

Preparing daily shift reports (Fault open/fault close/major outages/testing/chronic case/temporary changes in network and hand over sheet).

Trainings attended: Advance Transmission systems (OTN), Ethernet over SDH, IP Basics

Worked with international carriers such as Verizon, Colt, Level-3, Cable & Wireless, Neotel, AT&T, GCX, etc.

Provisioning in Nortel, Ericsson, Fibcom and Tejas muxes.

Planning for optical & electrical interfaces.

End-to-end circuit provisioning of E1, E3/DS3, VC4, VC4-4C using NMS/EMS.

Defining Protection Schemes like SNCP, MSP and BLSR configurations.

Planning for optical & electrical interfaces.

Troubleshooting and fault rectification of the customer complaints.

Preparation and execution of improved network re-routing plans (2CNO) to avoid future outages.