SUMMARY

• 10 years of Telecom industry experience encompassing a wide range of skill set, roles and industry verticals.
• Experience in leading and managing teams. Handled multiple roles - Team Lead, SLM, PM, System Admin, and Project Management.
• Extensive experience with Diameter, CAMEL/SS7, SMPP, TCP, UDP, SCTP, GTP, RADIUS and other telecom related protocol trace analysis.
• Extensive experience in E// IN(3 Ireland), Unified 3.1 (NSN/Redknee) IN
• Proficient in analyzing, trouble shooting the bugs in DATA charging nodes, VOICE charging nodes, USSD, SMSC nodes.
• Proficient in analyzing and translating business requirements to technical requirements and architecture.
• Capacious knowledge over all the call flows in Telecom industry
• Extensive experience in end to end maintenance of BSS nodes which includes Hardware, Application and Network.
• Extensive experience in configuring Data, Voice and SMS bundles
• Executed major implementations and Projects in Vodafone, 3 Ireland and TATA docomo.
• Good communication skills, interpersonal skills, self-motivated, quick learner, team player.

TECHNICAL SKILLS

Wired: PSTN, ISDN, SS7

Protocols: MTP, ISUP, TUP, SCCP, TCAP and INAP

Wireless: Cellular Communication - GSM,GPRS,3G,LTE

Protocols: Diameter, Radius, LAPD, SMPP, DTAP, BSSMAP, MAP & Camel

Networking: TCP/IP, TCP, UDP, ARP, RARP, ICMP, OSPF, BGP

VOIP: H.323, SIP

Tools: AGILIENT Signalling Advisor for SS7

PROFESSIONAL EXPERIENCE

Confidential

Sr Industry Consultant/Tech Lead

Responsibilities:

• Lead for 24/7 roaster, managing the team and coordinating with Alarm monitoring and Customer coordination teams for the closure of alarms and tickets in Remedy Tool.
• Deliver new and complex high quality Voice, Data and SMS bundle to clients in response to varying business requirements.
• Creating Change Requests tickets, emergency change requests and Production related tickets and resolving tickets in Remedy.
• Responsible for managing scope, planning, tracking, change control, aspects of the project.
• Translate customer requirements into formal requirements and design documents, establish specific solutions, and leading the efforts including programming and testing that culminate in client acceptance of the results.
• Maintenance of Network connectivity includes adding new IP’s in the nodes, allowing ports at firewall, trouble shooting interconnectivity.
• Full maintenance of Hardware in Data center.
• Implementation of Patches and hotfixes on the platform
• End to End testing post Implementation.
• Shell scripting for automating the platform checks.
• Analysis of Network level traces (tcpdump) INAP/CAMEL/RADIUS/ TUXEDO for trouble shooting.
• Maintenance of platform. Both OS level, application and Database
• Application level trouble shooting for finding the bugs and suggesting the code changes if required.
• Deploying DB patches as per the Application teams requirement.
• Providing SQL quires to L1 for gather required configurations for resolving high level customer complaints
• Linux OS level trouble shootings and package installations.
• Coordinating with Development for new improvements in the platform so that proper product (plans) can be configured.
• Monthly meeting with Architect’s to discuss about the intermediate nodes and new applications being interpolated in to the network.
• Linux OS level trouble shootings and package installations.
• Hardware level trouble shooting on Linux platforms
• Maintenance of the VAS nodes Involves daily/weekly maintenance checks for the VAS nodes and carry out Preventive measures from the faults to occur
• Maintaining no less than 99% of Service Level Agreement(SLA's)
• Follow-Up with Vendors(Development team) regarding Fixes/Solutions/RCA
• 24*7 On call support got Priority 1,2 and 3 tickets. Resolving these tickets and stabilising the services with the timelines shared by Clients.
• Identifying the cause & degradation of KPIs related to Network elements by analyzing data using tools
• Analyse root causes of design issues and provide corrective actions involving code changes and config changes.
• MVNO (Mobile virtual network operator) of Carphone ware house into 3 netwrok. End to End configuration and implementation
• Merging of 02 and 3 networks: End to End configuration in VAS nodes .(3 taking over O2 in Ireland)
• LTE MMS required configuration in URCS data charging node

Confidential IN

Team Lead

Responsibilities:

• Team Lead for 24/7 roaster, managing the team and coordinating with Alarm monitoring and Customer coordination teams for the closure of alarms.
• Perform Fault Management by co-ordinating support resources, managing technical escalation to ensure fault is rectified within agreed SLA’s
• Checking Health Checks for all the nodes and resolving the discrepancies, if not resolved escalating to RnD.
• PCAP trace analysis (Diameter) for all the RECC data charging nodes, with GGSN and IN for the resolution of Diameter Error codes.
• Configuring Data Bundle Packs both Onceoff and Periodic packs as per customer requirement.
• Checking the thresholds for all the diameter error codes in daily dash board PAN India and resolving the same
• Attending client meeting to understand the requirement of the marketing team and explaining them pros and cons and timelines for the new configurations.
• Closure of the escalated customer complaints - L3
• Configuring new IMSI and MSISDN rages in charging nodes.
• Configuring new rating Groups for both National and International roamers for differential charging.
• Hot patch and service patch installation.
• Handling the emergencies in all the four RECC regions.
• Implementation of new shell scripts in all RECC regions.
• Error traces analysis to overcome the bugs in the system.
• Coordinating with Development for new improvements in the platform so that proper product (plans) can be configured.
• Closure of the escalated customer complaints - L3
• SOAP request and response failure checking with IT system for subscriber profile changing.
• Maintenance of Network connectivity includes adding new IP’s in the nodes, allowing ports at firewall, trouble shooting interconnectivity.
• Major role in Implementing MultiRG (Multiple Rating Groups) in Vodafone - Diameter trace analysis and Configuration
• RAT type based charging
• Time Based charging, Durations based charging and telescopic charging
• Implemented email notifications in Vodafone south.
• Segment ID charging for subscribers (charging based on subscribers usage)
• Charging based on IMEI numbers of the subscriber (Nokia Lumia Pack)
• Open garden feature testing.(redirecting of low balance subscribers to a web portals)

Confidential

Java

Responsibilities:

• Configuring the USSD menus as per the requirements of Clients. (includes DB changes)
• Configuring SMPP accounts to clients and redirecting them to Service USSD short codes. (includes DB changes)
• Regular Health Check and monitoring of all servers and taking the backup of the logs.
• Updating of new executable files into the servers to overcome the bugs found while troubleshooting.
• Daily setting up the campaign for the promotional messages for the base given by clients
• SS7(MAP) and SMPP trace analysis for troubles shooting.
• To provide 24 x 7 Emergency support services for TAC1
• Providing support to onsite engineers (TAC 1) during deployment and installations.
• Software Upgrade/Patch testing in the lab and releasing the patch - Ensure fix implementation using patching process.
• Upgrade planning/testing with Customer and TAC1.
• Regular Health Check and monitoring the nodes.
• Maintenance of Authentication, Accounting services in Radius.
• Space management of Radius server.
• Maintenance of DNS entries of all the apn’s in all the zones.
• We have total four DNS servers 2 i-DNS which resolves the intra-zone apn’s and 2e-DNS servers resolves the GGSN IP of the other zones.
• Regular backup of the DNS entries for future references .
• Integrated AAA server with Video Gateway for Authorization and Accounting.
• SNMP integration for both the nodes(Radius & DNS).