MUHAMMAD T. ANSARI

9479 Harrison Street 

Des Plaines, IL 60016

(847) 401-0731

                                                        taufiq_ansari@hotmail.com            

 

 

SUMMARY OF QUALIFICATIONS

 

Wireless Telecom Engineer 16 years of Experience in LTE/GPRS/UMTS and Wireless and Wired Telecom Industry. Diverse experience in Tekelec Diameter Relay Agent, Nortel, Cisco, Check Point, Nokia, Ericsson, IBM, Microsoft networking products which include but not limited to Nortel VoIP, Carrier VoIP, Enterprise WAN, LTE, GPRS, UMTS, WCDMA, R4 Networks, IP Server, SIG, GGSN, ASN Gateway, MME, SGW, PGW, ATM, SAS, RNC, Node B,  Preside OAM. Outstanding productivity as a networking Engineer. Unique combination of expertise in technical, interpersonal, and organizational skills. Dynamic communicator with ability to plainly articulate in-depth technical concepts to others.

 

 

EXPERIENCES

 

01/2012 to Present Professional Services Architect Tekelec USA

 

Professional services Architect for Tekelec’s Diameter Signaling Router (DSR) and PCRF Solutions .

Design and architect Tekelec’s Diameter Signaling Router solution for AT&T & Cisco (PAS) USP and LTE networks.

Design and architect DSR interfaces connecting to HSS and CSCF, IOT HSS and CSCF (Ericson/Alcatel Lucent),  Specify system provisioning parameters (CIQ/Spec book, Gold Standard ) , capacity analysis, special feature implementation, Test Plan creation and execution and other services as specified by the support contract and statement of work (SOW).

Design and Creation of use cases, call flows, policy rules, routing rules, and database query logic/scripts based on customer’s Business and Service Use Cases.

Strong Knowledge/experience 3G & 4G Technologies: Diameter (RFC 3588) protocol/applications/interfaces, LTE/EPC/IMS architectures (PCRF, PGW, SGW, MME, CSCF, DRA, OCS, OFCS) , GPRS/UMTS (RNC, SGSN, GGSN, MGW, MSC).

Working knowledge of SS7 Signaling, SIGTRAN, GSM and UMTS protocols

Knowledge & experience with SCTP, TLS, IPv4, IPv6

Knowledge & Experience of subscriber database technologies: HLR, HSS, AAA, SDS, MySQL, DB query/scripting.

Participated with Pre-Sales activities such as demonstrations, trials, and Solution scope definition.

Participate in the project design, delivery and management for Professional Services Architect Group.

Assist project managers with project planning and scheduling.

Excellent interpersonal, organizational, communication and presentations skills

 

 

7/2011 to 11/2011 T-Mobile Downers Grove, Illinois, USA

 

Sr. Engineer Network and Capacity Planning

 

Designs and engineers NSS & DACs core network builds.
Coordinates design of subsystems and integration of total system.
Responsible for design and engineering of core network elements (NSS, and DCS) for the Region/ Markets.
Prepares and authors the network engineering documentation (qualitative/quantitative) for presentation to other functional teams.
Works with cross functional teams (Market/Region/National) to communicate the engineering designs in support of the development and deployment of network upgrades/enhancements and core node parameter standardization in the markets.
Supports the regional team, markets and vendors with their implementation efforts.
Interfaces frequently with Transport engineering and RF/BSS planners, and system design engineers.
Issues work orders and MOPs to market and national operations teams pertaining to the configuration of traffic patterns, new node implementation, trunk migration, etc

Managed PWE migration project in the Midwest region

Managed Site conversion to IP and Router migration activities (7750, 7710, and Tellabs 5500 DACS)

 

 

 

 

10/2009 to 4/2011    Tellabs USA Inc., Naperville, Illinois, USA

 

Network Consultant

Architecture and Design of Network Performance probe on Wichorus/Tellabs SmartCore platform.

Program and project management for Network Performance Services business unit.

Define layer 7 KPI data elements for HTTP, SMTP, POP, VoIP, FTP, MMS, RSTP, IM, P2P, DNS and SMS for the Smart core probe.

Hardware and software evaluation for Network Performance Monitoring devices which includes Network Probe, DPI Engine, Metadata Aggregator, and Network Monitoring.

Wireless network performance and optimization. S4, S5/8, SGi, Gx, Gn, Gi, A10/A11, Pi interface.

LTE, GPRS, UMTS, WiMax, WCDMA, and LTE (SGSN, GGSN, PDSN, AAA, Radius)

Protocol level analysis at various interfaces S4, S5/8, SGi, Gx, Gn , lub, lur, lu-CS, lu-PS, Gn, Gi, A10/11, Pi

Linksys WRTU54G setup for testing UMTS, GPRS and CDMA network performance.

Design and provide Network Performance consulting services to Tellabs customers all across the globe

Provided end to end solution and detailed design for Network Performance Monitoring services architecture into the customer network including hardware, software and data collection probe

Data Analysis and recommendation to Wireless Carriers on Network Performance.

 

 

07/2000 to 09/2009              Nortel Networks Schaumburg, Illinois USA

 

Senior Systems Design Engineer

 

Project Details

 

Wireless and Wireline/Carrier Projects

Design, Implement: LTE, GPRS, UMTS and 1xEVDO Network

Subject Matter expert on LTE, GRPS-UMTS Core

Subject Matter Expert on RNC

Design and Architect LTE solution

Implemented 3GPP Release 8 standard using TS 36.523 guidelines

MME (SGSN Control Plane evolution)

SGW Interface supported S1-U, S11, S12, DHCP

PGW (GGSN evolution) Interface supported SGi, S8a, S5, S7, Gp, Radius

4G Mobility procedure, 3G interworking with R8

Deployed GPRS and UMTS at AT&T, O2 UK and T-mobile US and European locations.Nortel SGSN, GGSN (ASR 5000), Media Gateway and RNC

HSDPA/UMTS Trial Integration and System Acceptance

PS and CS call testing and call trace using Radcom

Radcom configuration for 3G, 2G Mobile IP testing

3G, 2G handoff testing CS and PS calls using Sierra Wireless cards

Passport 8600 Configuration, VLAN, IP, IPX, ATM, Sonet, and Quality of Service

Collect logs and traces on USGSN for PS and CS calls

Testing of OAM & Performance tools & Integrating with Nortel UMTS, RNC, BTS Integration in the HSDPA/UMTS Network.

OAM testing and Logs capture.

OAM server Capacity and Storage and backup.

R4 Media Gateway Network integration and design

Passport 8600 configuration and integration with R4 Media Gateway

In depth knowledge of network management systems, i.e. HP Open View, Preside, NetCool and NetTrac experience

Planning and Design of ATM interfaces

Configure ATM interfaces on Media Gateway

Performance issue GPRS, UMTS Edge and R4 Networks

Design Specification Books for GPRS Network

Designed Back bone for AT&T including 15 locations within the AT&T network using Passport 15K.

Worked and planned test procedures wrote test cases for GPRS/UMTS Gb,Gd, Gi, Gn/Gp interfaces.

GSM logical channel and Packet data logical channel, SGSN and GGSN. Protocol Stack, Coding Scheme and throughput, PDCH Allocation, Packet Scheduling on UL. 

Policy Monitor network performance statistics, respond to any system alarms, and solve any customer-affecting outages

Configuring L2TP tunnel on the Closed R-P interface, local IP address allocation & RADIUS authentication for GPRS GGSN.

GGSN Shasta Provision , 2.1 2.3  ISOS, Provision and commission Client Server for Shasta Configured ISP on Shasta, Configured Shasta as a Gateway

Designed and configured Traffic shaping, usage parameter control, Connection admission control, multiple Priority system on Passport .

 

Enterprise Projects

Design and Implemented Nortel VoIP CS2100 solutions for Nortel enterprise customers.

Provide direction, recommendations and solutions to implementation challenges

Provide recommendations and/or solutions to drive cost & effectiveness improvements.

Contribute to Customer network planning and direction.

Work closely with GNTS/GNPS to ensure CS2100 stability and enhancements

SIP logs and traces, Solera traces, Core logs and traces

Media Gateway, Voice Core, MAS server, Passport 8600, Contivity, BayRs, Nortel Secure Routers, 4000 Series, 5000 Series, Multiprotocol Routers configuration, troubleshooting and support for Nortel enterprise customers

Advanced knowledge TCP/IP and its related routing protocols (RIPv1, RIPv2, IGRP, EIGRP, OSPF and BGP)

Passport 8600 configuration, troubleshooting and support

Nortel 5500, and 4500 series routers configuration and support.

Experience on Cisco 1900, 2900, 2950, 3550, 4000, 4500, and 6500

series switching platforms using Cisco IOS 

Configure Contvity point to point tunnels from remote office location including 30 international locations.

Experienced in the configuration of Nortel's Shasta 5000 BSN using the Shasta SCS

Networking: wireless networking, 10/100/1000 ethernet, optical
networking, switching/bridging (vlan, spanning tree), vpns,
lan/wan/man, tcp/ip protocol, ip addressing and subnetting, ip access
lists, routing protocols, token ring, atm, frame relay, hp openview

nnm, cisco works for switched internetworks, resource manager

 

Nortel Network Projects

Cingular/AT&T Wireless, T-mobile, Sprint, Edge Wireless, Alltell

International project: Onsite at O2 UK, T-mobile Germany

 

12/98 to 7/00, CNA  Insurance, Chicago, Systems Engineer

 

Configured Cisco 2500, 4500, 7000 Routers to provide Ethernet, serial, Bri Interface access. Install and configure Baystack 304, 450 switches. Configuration and Optimization of network from the ground up including cabling from the desktop to IDF. Integration Testing with Routers and other Switches. Testing and Analyzing all Network Protocols in a LAN/MAN/ WAN environment. Setup equipment and execute system tests, document test results, Log bugs to track problems with the help of Network Management tools such as HP Open View, IBM View, Sniffer, Node Manger. Responsible for ATM functionality testing in a Team environment.

 

NT 4.0 and Exchange 5.5 Server Architecture and Engineering of 200+ NT 4.0 and Exchange 5.5 Servers. Daily responsibilities, in both production and development environments, include: monitoring and optimization, backup and disaster recovery, and serving as a primary contact for all issues involving Exchange 5.5 and NT 4.0. Responsibilities also included software and hardware installations/ upgrades/ service packs/ patches, network troubleshooting, and antivirus/backup installation, troubleshooting and monitoring. Products previously most involved in supporting:
Provided E-mail administration including adds, moves, and deletes. Created, maintained and troubleshot shared and public folders, conference rooms and distribution lists. Responsible for maintaining stability and availability of (80+) Microsoft Exchange 5.5 servers running on NT 4.0 platforms. Troubleshot internal and external e-mail problems for a client base of over 20,000 CNA Insurance employees
Performed disaster recovery procedure of deleted or corrupt mail files and folders, which involved building a standalone server and loading NT 4.0, Exchange 5.5, SP4, and ARCserve
Maintained and modified security levels of shared and public folders
 

 

7/98-11/98, Ameritech Cellular, I/T Consultant

Configuration and maintenance of Cisco routers Troubleshooting/debugging network-related slowdowns/outages/anomalies.  Configuring Cisco/other routers Analysis of traffic patterns, identification of potential problems, providing proactive solutions to developing problems.  Efficient use of event and performance management tools WAN design and architecture.  Strong working knowledge of NT and Novell operation systems architecture including DNS, WINS and DHCP.  Strong knowledge of multi-protocol, multi-operating system client/server networks.  Troubleshooting Novell and NT 4.0 Servers Supported NT 4.0/ MS Exchange 5.5 roll out for 10,000 users.  Exchange 5.5 Engineering

                                         

8/97 to 4/98, UOP, I/T Consultant             

Performed installation, and maintenance of a variably subnetted network with a fiber optic backbone which utilizes ethernet switches, bridges, a Remote Access Server, and routers to provide quality service.  Responsible for providing scheduled on site support for the Win 3.1,  

3.51, NT 4.0 and Win 95 workstations installation and configuration of new networked workstations.  Administration of network security access Troubleshooting all hardware and software issues Exchange Administration Converted Groupwise and MS Mail users to MS Outlook\Exchange

 

4/96 to 3/97,  AT&T, Information Application Manager             

Provides internetworking expertise in the design and pricing of complex data network solutions for AT&T customers.  Solutions may include data customer premises equipment such as routers/switches/FRADS/ATM equipment for the purposes of integrating these as network services or stand-alone equipment.

 

1/96 to 4/96, AT&T, On-line Data Network Account Executive

Performed in a consultative selling capacity for client’s data communication needs.  Functional Knowledge: ASDS, T1.5, 9.6 Analog, Frame Relay and ATM

 

EDUCATION             

           BACHELOR'S DEGREE, BUSINESS ADMINISTRATION

                     Major: MANAGEMENT INFORMATION SYSTEM

                     Governors State University, University Park, Illinois 1995

 

CERTIFICATION

              Check Point Certified Security Administrator

              Nortel Networks Certified Passport support specialist 7480

                    Microsoft Certified Professional

 

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COMPUTER SKILLS

 

ATM, TCP/IP, SNMP, PPP, L2TP, IPSec, Fram Relay. 

Intel Landes Manager, Compaq Insight Manager, PC Anywhere, Carbon Copy, HP Jet Admin, Hayena, HP Open View, Node Manager, Sniffer, IBM View.  Net Tools/Protocols: Token Ring, Ethernet, Exchange Server 5.5, Windows Terminal Server 4, Citrix MetaFrame 1.0, Windows 98, Linux RH 5.1,

HARDWARE:  Nortel Passport 15/7480, Shasta, UE 9000, Optera Metro

Compaq: Proliant, Cisco Routers 2600/3600/4000/7200/7500 series routers, cisco
catalyst 1900/2900/5000/5500 series switch, cisco 3550 multilayer