SUMMARY:

• A unique telecom professional having experience in every aspect of core telecom networks including RAN and core network elements’ commission, integration (C&I), migration, deployment of LTE eNB, HSS / HLR, SIP / SS7 stack, SBC, Softswitch and MGW including testing, troubleshooting, customer facing with problem and conflict resolution.
• Results - oriented telecom professional with extensive technical experiences, takes pride in bringing innovative ideas with leadership in fast-paced environment and having passion on roaming and willing to put an extra mile in LTE-EPC, IMS core telecom networking (products and services), pre/post sales, system engineering using state-of-the-art technologies.
• Have abilities in challenging new position with a progressive organization, developing bridge among cross functional own teams along with supplied vendors and fast adapting of new technologies.

TECHNICAL SKILLS:

Expertise: Entire commission, integration, migration & testing of IMS / LTE network, Samsung CDU30 (LTE eNB), Confidential AirScale (LTE eNB), ALU SDM (HSS), Softswitch, MGW; Wireless product & network architect, design, development; Pre-sales, Post-Sales technical support, End-2-End call testing (VoIP production system) in the Unix environment, MOP/Script creation & modification, SS7 signaling.

Technology: LTE, IMS, EPC, eNB, MME, UMTS/3G, HLR/HSS, Mobility, SMSC/SMS, Mobile-Satellite Network w/ATC.

Protocol: SIP, SS7 (TCAP, SCCP, GTT), Diameter, MAP (IS-41-B, GSM), IP, SCPT, Python, BGP, OSPF, EIGRP, RIP

Product: Designed & developed: SIP-SMS Gateway, HLR, Mobility/roaming OneNumber node, Push2Talk Call Control Node, International Roaming Features, CDMA- WiFi Hybrid production network, etc.

Pre/post Sale: Pre-sales, post-sales technical support to the sales, marketing & customers. Solution proposal presentation blending the new & existing equipment for new services. Customer facing & Interaction.

OSS: Integration & Deployment - Confidential eNB (AirScale), Samsung eNB PDU30, ALU SDM HSS, ALU USDS-HLR, eSM, RNC-9370, Tektronix Probes, Softswitch-5020. Testing VoLTE, IMS and VoIP calls w/respect to HSS and DRA, familiar with Cisco IOS, switch & router.

PROFESSIONAL EXPERIENCE:

Confidential

Integration Consultant

• Have good understanding of 4G LTE-EPC & IMS architecture, its elements & functionalities, interfaces & protocols
• Have good theoretical knowledge of complete 4G LTE-EPC & IMS call flows from subscriber turns on its handset till the called party gets connected.

Confidential

Integration Consultant

• I work with prospect to do demo, proof of concept and help our customers to implement our solutions to prevent data breaches. As part of the implementation, I will install various component of big data stack along with our solutions. I will test the installed components for performance and integration.

Confidential

Project Coordinator as Consultant

• As Field Tech Coordinator (FTC), managed 6 markets, completed 600+ site migrations, trained 2 FTCs, managed & trained 12+ FTs (field tech), met 90% migration objectives,
• Performed, negotiated & resolved medium to major access issues with the carriers, generated access issue tickets if not resolved, prioritize integration of customer identified key sites and generated day & night migration tickets.
• Performed material orders & procurement, BOM validation as needed, report and negotiate with customer issues related to migration, issue migration orders and assigned FT for site migration, collect & report migration status.

Confidential

Field Integration as Contractor

• Performed Site survey, site measurement, ordered BoM for specific site, procure all equipment and materials needed for day installation and night integration and commissioning. Performed eNB installation except power.
• Wrote detailed MOP for entire migration and deployment. Executed deployment MOP and trained other integrators, procure and install site specific data, modified XML script as and when needed, performed 66 blocks punching for system alarm identification & finally migrate and deploy the entire eNB for Confidential &T network.

Confidential

Field Integration & Product Support for IMS/LTE HSS

• Performed C&I of 300+ ALU SDM 8650 HSS for Verizon & Sprint LTE, IMS, GSM, CDMA production network to provide 4G enhanced multimedia services to millions of customers.
• Installed & troubleshoot hardware, firmware, software applications and patches for bringing up FE, BE, PMGW, AAA, SDMExpert elements having ATCA and HP hardware from scratch to live using 1360 COM.
• Developed & executed various MOPs and ATP. Performed SS7 & Sigtran IP configuration, Subscriber Data provisioning
• Conducted Mobile Device Management (MDM) using different Android phones in testing IMS & VoLTE calls w.r.t. HSS, troubleshoot VoLTE call traces, XML file, Diameter messages between HSS and DRA using Wireshark.

Confidential

Solution Architect

• Led the entire technical and management effort for bringing up live the Cellular-WiFi production network.
• Led entire C&I efforts for HLR and a production network including ALU 1440 HLR deployment & product support, multi OEM vendors coordination for network readiness, cross functional groups communications between sales and engineering team, and finally VoIP call trace (thru SBC) troubleshooting, problem escalation & resolution
• Developed & executed ATP and various MOPs for testing & troubleshooting ALU HLR and SMS functionalities, SMS & IS-41 messages, SIP call traces to/from HLR using Wireshark with Sprint network.
• Conducted Mobile Device Management (MDM) in testing Android handsets (Huawei, Samsung) for handover functionality between Cellular & WiFi production network.

Confidential

Technical Project Delivery Manager

• Led UMTS RAN project entire C&I, call and port assignments troubleshooting, connectivity among LGX, VAM, RSP, MSN, RNC, SGSN, and Cisco Router, OEM vendors’ management, procurement & forecasting of capital management, coordinate, prioritize & resolve network issues during ATP by issuing CR & CTS trouble tickets
• Led, interacted and managed cross-functional project teams and OEM vendors for C&I of ALU RNC 9370, SGSN, Tektronix Probes thru LGX, ALU RSP or Tellabs MSN and migration of T1/ATM to IuPS, IuCS, IuB, IuR
• Created $ 30M Purchase Orders of ALU RNC, Tektronix Probe and miscellaneous network elements.

Confidential

Product Support, Integration & Implementation

• Integrated Alcatel 5020 softswitches, MGW, & UMA nodes from scratch to live with the existing Confidential network.
• Performed following tasks and turn up the entire system: Configuration of Softswitch, SS7, SIGTRAN, MGW; MOP/Scripts creation, 911 end-to-end call testing, SS7 / STP Health check, Softswitch Rehome & Deployment.

Confidential

Director: Product Architecture

• Designed, developed & prototype the SIP-SMS Gateway using the home grown SIP Lite (a scaled down SIP stack).
• Developed MOP for Gateway Integration, tested & troubleshoot extensively SMS call flow with Sprint HLR and STP.
• Provided & presented pre-sales technical support to sales team, account executives & customer.
• Managed and trained home (5 engineers) & offshore (16 engineers) resource development team.

Confidential

Director: Ground Networks

• Designed a global hybrid (SS7 & IP) backhaul network for Ellipso Mobile-Satellite System for voice and data.
• Wrote detail requirements for network specification, numbering plan, call routing. Provided pre-sales support
• Designed exclusively International Roaming features that was prototyped by 3rd party.
• Crystallized the technical efforts for procurement of Global Network Codes (881, 882) from ITU.
• Made innovative discoveries by customizing SS7 Call routing - leading to US patent pending.
• Was a team player & technical advisor to 35 Confidential telecom engineers - a joint venture partner with Ellipso.