ROLES AND RESPONSIBILITIES:

Providing consultancy and training in the field of IP Networks and IP Service Control:

Routing, Switching, Firewall-Security, VPN, Load Balancing, 3GPP Mobile Packet core-UMTS/LTE-EPC, Wi-Fi etc.

Mobileum TechnologiesSolution Architect Apr’14-Jan’15

Designation/Position: Solution Architect

Period of Employment:Apr-‘14-Jan ‘15

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES

·         IP Infrastructure & Telecom IP Networks: Worked for Professional Services Team and Provided Solutions (Architecture/Design/Deployment support) for IP Networks and RSC (Roaming Service Control-Network Policy control in roaming environment).

·           Prepared & reviewed Solutions HLDs/LLDs documents and recommended Solutions-Interfacing IP networking aspects of the solution and overseeing solutions integration.

·           Worked on Mobileum Roaming Service Control (PCC) and on DRA product in UMTS/LTE and guided the evolution of network services.

·           Worked on IP networks-Cisco-3750 L3-switches. Plan , design and configurations, VLANs, gateway redundancy VRRP/HSRP, Cisco ASA firewall configuration, HP L3 Switches -Plan, design and configurations, IP Infrastructure-plan/design for cloud (Data center-Europe)

·           Led the technical team responsible for Professional services

CISCO SystemsTechnical Leader-Engineering    Nov’11-Mar'14

Designation/Position: Technical Leader

Period of Employment: Nov ‘11 –Mar ‘14

Nature of Employment: Full-time

Cisco Quantum Policy Server and Cisco Quantum solution for Service Provider: The Cisco Quantum Policy Suite for Mobile provides an intelligent control plane solution, including southbound interfaces to various policy control enforcement functions (PCEFs) in the network, and northbound interfaces to OSS/BSS and subscriber applications, IP multimedia subsystems (IMSs), and web applications.

ROLES AND RESPONSIBILITIES –

·                       Supported PCRF based Solutions (PCRF/PCEF) and QA testing, Customer use cases testing, 3GPP PCC coverage/verification testing on Cisco PCRF/(QPS) Quantum Policy Suite -PCRF

·         Testing requirements gathering, functional design, technical design, integration, testing (Hands on), field support-maintenance, upgrade and deployment

·         Participation during Presales-use cases requirement evaluation and future needs

·          Also worked on vSphere (vCenter, ESXi, vSphere client), VMware Workstation

·         Worked for mobile packet core Integration, Feature testing, conformance testing, IOT testing etc.

·         Provided technical guidance to individuals and team, understood how a feature is implemented in order to develop test cases for the feature tests, functionality and fault conditions

·         Developing and maintaining test plans/check-lists, test procedures and test cases for solutions/integration/features under test etc.

Gx,Rx,Gy,Radius,3GPP AAA, Soap/XML, used Cisco in-house tool and Seagull protocol simulator, UCS C series (blade center), VMware, NFV/SDN/Openstack, Cisco QPS, Cisco/Starent ASR-5000/5500, StarOS 12.0/14.0, Cisco PCRF  (IPCF & SSC), PCEF (PDSN/GGSN/PGW/DPI), (Combo GGSN+ IPCF, SGSN+GGSN+IPCF, SP Wi-Fi, IBM blade-center based SSC (SPR), UCS -B and C series, serving GW+PDN GW, 3GPP -3G/4G, HSS, DRA, 3GPP IMS Architecture etc.

PCRF  Consultant                                                Apr’11-Oct'11

Designation/Position: Principal Designer (T-mobile) PCRF, Data Policy Control               

Period of Employment: Apr ‘11 –Jun’11                                                    

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·                       Responsible for High level architecture design (FS & Design) with specialization in the area of "PCRF" in Mobile networks.

·         Huawei GGSN, Cisco SCE(DPI), ByteMobile, Amdocs/Bridgewater (PCRF)

·         Diameter, FUP uses cases, traffic steering, video optimization.

Nokia Siemens Networks          Sr. Solution Expert                       Mar’09-Mar'11

Designation/Position: Sr. Solution Expert

Period of Employment: Mar ‘09 –Mar ‘11

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·                       Responsible for High level architecture design (FS & Design) with specialization in the area of "PCRF" in Mobile networks.

·         Worked on NSN IP service control portfolio Projects-mostly global (PCRF , Policy Control Server PCS5000, Sandvine DPI, Cisco, Juniper (Routing and Switching) 

·         Attended Customers workshop, Design/test/deployment support for Nokia Siemens Networks (NSN) "Next Generation" Product Line called Policy Control Server PCS5000 (PCRF); Entity is used to control QoS (Quality of Service) in telecom/IP networks, worked with NSN partner companies and Customers.

·         Worked in conjunction with account team (NSN) to support NSN's solutions to Customers during pre and post-sales solution stages (PCRF, Policy control Server NSN PCS5000, Sandvine and IP networks-Cisco, Juniper).

·         Wrote functional specifications, SOWs, prepared and reviewed design specification documents

·         Provided training to NSN Managed services team (in different projects) for network operations support

·         Tracked progress and updated managers, partners and clients as necessary.

·         Increased credibility and client awareness by developing technical collateral and presentations

Wipro TechnologiesLead Consultant                             Jul’07-Nov'08

Designation/Position: Lead Consultant

Period of Employment: Jul ‘07 –Nov ‘08

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         Worked for US based clients on IP network projects (Worked in client’s US data center)

·         Plan, design and implementation (Solutions/Deployment, Support), LAN/WAN-provisioning and troubleshooting, maintain Cisco Router/Switch/Firewall/VPN configurations (CiscoWorks, Config management) for existing IP networks and new project work for newly acquired companies (worked for Project management office for integration of many IP networks –multiple small/medium companies acquisitions).

·         Liaise with equipment suppliers (Cisco TAC, AT&T) to manage maintenance contracts, circuit outages and technical documentation

·         Manage IOS/CatOS upgrades and changes. Maintain Wireless Network Infrastructure which includes Wireless Access Points, Wireless Management System.

·         Corporate RADIUS infrastructure comprising of Cisco Secure ACS servers distributed globally.

·         Configuration support for Cisco CSS Load balancing devices

·         Worked for LAN/MAN connectivity and architecture.

·         Troubleshoot existing VLAN and routing architecture. Advanced support and troubleshooting on LAN/WAN and Cisco Pix Firewalls-Data Centers /Remote Site Support, Troubleshoot, and Manage DC specific configurations for high availability and high performance, including HSRP, LB, LACP / PAGP etherchannel, PVST+, Troubleshoot site-to-site IPSEC/GRE VPN specific configurations related to remote site connectivity.

Alcatel-Lucent/Lucent TechnologiesSr. Software Engineer                      Aug’05-Jun'07

Designation/Position: Sr. Software Engineer

Period of Employment: Aug ‘05 –Jun ‘07

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         Worked in Lucent Worldwide Services (LWS/TAC)-Carrier Ethernet Solution Group and supported production network related issues for Lucent Worldwide customers -Deployments, Network upgrade, migration, troubleshoot, recreate problems in R&D Lab network, L2, L3, IP MPLS,VPLS, Triple play network.

·         Worked for Riverstone networks in Customer Solution Testing Group (Carrier Ethernet) for overseas clients.

·         Worked on Riverstone Networks products in the field of Routing & Switching -L2, L3, MPLS, Ethernet, OSPF, VPLS, troubleshoot complex routing/MPLS/L2 problems, simulating complex scenarios, test customer network/services in Lab and provided feasible solutions 

·         Worked in conjunction with Solution Architects and Field engineers

·         Assigned tasks to associates, tracked progress and updated managers, partners and clients as necessary.

·         Increased credibility and client awareness by developing technical support

·         Reviewed files, records and other documents to obtain information and respond to requests

Converge Labs Software Tech (Pvt)Ltd.Sr. IP Network Engineer      Aug’00-Mar'05

Designation/Position: Sr. IP Network Engineer                                          

Period of Employment: Aug ‘00 –Mar ‘05

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         Responsible for Planning, designing, configuration/implementation of IP data networks (Cisco and other IP equipments in service provider data center) for (PHS mobile) core IP data networks (International Projects).

UTStarCom, ChinaSr. Engineer      Year 2000

Designation/Position: Sr. Engineer

Period of Employment: Year 2000

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         Setup PAS (PHS IP access network) LAB with CISCO Catalysts -5500 series (with Layer-3 module), Cat 2924XL, PIX-520s, 3600 series router, Alteon (now nortel) ACE load balancing switch

·         Dual Fddi ring with Sun Netra1120 servers, FDDI & Ethernet VLANs ,ISL & 802.10 trunking ,spanning tree ,HSRP etc.

Fitel Inc., TaiwanSr. Engineer      Year 2001

Designation/Position: Sr. Engineer

Period of Employment: Year 2001

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         PAS network implementation for 500k-subscriber base, voice and value added services

·         Plan, design and commissioned IP network with Cisco Cat 5509s (with Route Switch Processor) for backbone, Cisco 2924XL, 2912, Dual PIX-520s with failover feature, 3640 routers and Ciscoworks2000 (NMS) for windows, Alteon (Nortel) Ace-180 load balancer switches.

·         Dual FDDI ring between 5509s & Sun servers for redundancy, Ethernet & FDDI Vlans for different subsystems, ISL & 802.10 trunking, HSRP configured on RSPs, active statefull failover feature for Private Internet Exchanges, T-1 links /HSRP configured on 3640s with ISP for value added services

·         Load balancing configured for VLANs traffic and load balancer switches configured for different applications load balancing.

UTStarCom, ChinaSr. Engineer      Year 2002

Designation/Position: Sr. Engineer

Period of Employment: Year 2002

Nature of Employment: Full-time

ROLES AND RESPONSIBILITIES –

·         IPAS (IP based PAS) 2.0 network for 400k subscribers plan, design, commissioned with Cisco Cat 4006(with L-3),PIX-525s (With state-full failover)

·         Dual Gigabit back to back connection, Ether-channel with Cisco-4006s, Vlans for different subsystems, 802.1q trunking for Inter-vlan routing.

UTStarCom China, Kunming Sr. Engineer      Year 2002

Designation/Position: Sr. Engineer