Ajay Singh Email & Phone Number

Toronto

Expertise in dual imsi roaming and solution.KPI monitoring for Telna in order to ensure network health ,Outbound and inbound roaming success rates.Coordinate IREG activities with client/customer(including tests scheduling, troubleshooting, SIM exchange, etc.)Sigos testing as to track the network faults. Did automation and reportings Troubleshoot on IREG/Network issues.Ireg testing for various technologies ncluding IR24), IR35),IR32 3G, IR38.Solving trouble ticket reports from roaming partners and customers.Sgnaling and call trace analysis using open source tools (tcpdump, wireshark). Solving issues on the network based and maintain the quality of service to our 2G/3G customers worldwide (NOC) on different protocols in use like MAP, CAP, SIP, GTP, TCP, UDP, SMPP, MySQL,SOAP .

Mohali, Punjab, India

Skills:• Project activities, implementing / adapting (new) IMS E2E service functionalities, nodes, services.• Operation & Maintenance of Core Nodes and Knowledge of protocols SIP, DIAMETER SCTP, M3UA,SS7,MAP,ISUP,Volte.• MSS, HLR,HSS, SGw, PGw hands on experience.• Secured that the delivered solution is properly implemented and works according to the Requirements.• Verified, integrated and troubleshooting of complete E2E solutions in a Multi-Vendor Set-up.• Prepared and executed of supply and acceptance projects.• Performed configuration management and updating solution documentations and descriptions.• Provided input, implemented and verified improvements in processes and work instructions.Verified and implemented configuration changes

Gurgaon, India

• Strong knowledge of ZTE Core Network products (3GPP standards, CS, MSC, IMS, EPC, MME, Volte, DRA, DEA, STP, HLR, and HSS) and able to maintain a comprehensive business knowledge.• Managed marketing and promotion activities on Core Network products& solutions.• Extended new market opportunities and conducted product market planning and analysis.• Prepared and delivered presentations and effectively represented the company in presentations, road-shows or workshops.• Adjustments of solutions and negotiations, assessing technical issues regarding costs vs. benefits.• Advised as a technical consultant for the customer and identified customers' pain points related to the Product and lifecycle management.• Provided customers with key technical, solution and commercial (CAPEX and OPEX) benefits, and ROI in a pre-sales environment.• Analyzed product competition situation and persuading customers to accept Huawei's Solutions.• Involved in presales support including quotation, network design, technical proposal, pre-sale testing support etc.• Run network sales opportunities through ATC phases.• Prepared the technical clarification and BOQ to answer the customer’s RFP/RFI. • Analyzed and traced the development of telecom market as well as the corresponding account, output market strategy, and promotion plan.• Increased sales volume to reach company targets, market penetrating with Huawei new solution and gain a strategic relationship with customers. Achieved Projects:• BSNL UDR (2014): Breakthrough Swapped Ericsson HLR with ZTE UDR the challenge was a customized solution to swap the product of Ericsson. The ZTE UDR was a step toward the HSS solution which has analytics system and probes to provide a redundant function.

• Excellent Huawei/ZTE background in Core and PACO Nodes, GSM, UMTS. (MSC/GMSC/MSS/HLR/STP, Blade Cluster, and MGW). • Handled O&M tasks, troubleshooting, emergency cases and call tracing for Core nodes (Blade Cluster, MSS, MGW, STP, and HLR).• Implemented the configuration of signaling and traffic on MSC-S Blade cluster (MSC-Blade, M3UA, SCTP, TDM and etc.).• Implemented the configuration of SS7 Signaling on MSC& STP (SCCP, MTP, SIP) and the needed implementation for VAS services from switch side as SMS, RBT, MCA, USSD, VMS, etc.• ZTE/Huawei support, prepare, write, B-number analysis and routing analysis, Emergency areas, Global titles, Global titles route cases, IMSI number series, roaming analysis, Camel definition, PLMN, and IR.21 implementations.• Excellent experience in signaling protocols including MAP, GCP, BICC, RANAP, BSSAP, ISUP, SIP and SIGTRAN. • Excellent experience on MSS, UDR, HSS, STP, DRA• Handled the operation and maintenance tasks for ZTE Packet Switching and provisioning nodes: MME, SGSN, PGW using UNIX, LINUX operating systems. • Solved customers complains which are related to Core Network side.• 24/7 on-call duty for the network critical incidents and night activities.

• Proficiently executed commissioning and implementation of ZTE ZXWN 3G MSCS.• Meticulously configured CG (Charging Gateway) for Billing and Mediation Process. Different servers like DELL, SUN-NETRA 240 used for database of MSCs and CGs.• Competently handled Routing, Traffic Analysis and Overflow Management for GSM Network.• Liaised & coordinated with clients and ensured close relationship and responsiveness to customer needs.• Significantly carried out Root Cause Analysis for complex problems.• Awarded ZTE Star Performer in 2009.

Vodafone (Nokia), Vodafone Hyderabad India on Nokia core .