Rakesh Kallurkar

- Managing a team of technical resources for providing the L3 support for the network elements Oracle STP, Oracle DRA, Affirmed PGW/vSSF and Dialogic IRSC services.

- Handling internal as well as external escalations.

- Vendor Management.

- Streamlining the internal support processes.

- TAC Support for Nokia IP Multimedia Subsystem (IMS) and implementation for the Reliance Jio 4G Project at Navi Mumbai.

- Providing resolution for all the IMS call related problems (Trouble tickets) raised by Reliance JIO L2 TAC, circle, service testing teams and other support teams across Jio network.

- Provided IMS node basic training to the Reliance Jio NOC team to perform their L1/L2 analysis before forwarding to Nokia TAC team.

- Interacting with Nokia Care and R&D team for the critical issues raised in the network with proper analysis and logs for further troubleshooting and resolution.

- As an IRT (Incident Response Team) should be able to respond ASAP to the issues raised by either a client or an internal team and get the issue resolved within a tight SLA in coordination of the Internal Teams.
- Responsible for communication with the Top Level Management and making them aware of the situation and possible SLA of the solution.

- Responsible for to Lead all the activities and Operations on MVNE (Mobile Virtual Network Enabler) platform.

- MVNE platform consist of Core Network Elements like HLR, OCS, STP, SMSC, GGSN, GMSC etc and also includes other elements like Citrix Xen Servers, Vyatta VPN/Firewall, SIP Server, CRM System etc.

- Hand-on experience working with Multiple vendor equipment and troubleshooting skills.
- Also responsible to interact directly with vendors and customers to understand the requirements and provide the services accordingly.

- As a Consultant Responsible to Tekelec Project and was responsible to provide Professional Services on Tekelec PIC and PCRF products. Good exposure working with International Service providers like SFR France, China Unicom, MTS Russia, iBasis etc.

- Internal Transfer From RCOM to ALUMS with effect from 1st OCT 2008.

- Hands on experience on both GSM and CDMA Networks.
- Handling Core network (TAC) related issues observed after some critical changes (Subscriber Migration, Version Upgrade etc) made in the network, troubleshooting these problems and solving them in given SLA.
Modifying the system configuration and adding missing levels (routes) in the network elements (MSC, GMSC, GGSN, SGSN, STP, IN, HLR etc) and analysis initial registration/authentication issues caused due to faulty subscriber data base (clarity) caused during migration which sum up to these Network problems.
- Analysing and solving the issues handled and escalated by backend technical team of customer services as per their critical and prioritizing them.

- Hands on experience on both GSM and CDMA Networks.
- Handling Core network (TAC) related issues observed after some critical changes (Subscriber Migration, Version Upgrade etc) made in the network, troubleshooting these problems and solving them in given SLA.
Modifying the system configuration and adding missing levels (routes) in the network elements (MSC, GMSC, GGSN, SGSN, STP, IN, HLR etc) and analysis initial registration/authentication issues caused due to faulty subscriber data base (clarity) caused during migration which sum up to these Network problems.
- Analyzing and solving the issues handled and escalated by backend technical team of customer services as per their critical and prioritizing them.