Principal Engineer

OBJECTIVE

Seasoned technical professional with over 15 years of extensive Cable, Wireline and Wireless experience is exploring challenging Broadband Solutions Architect, Systems Engineering, vendor evaluation & validation, or Telecommunications R&D opportunities with an aggressive team. Candidate is a critical thinker, has ability to take initiative who can “make a difference” in any role and many capacities.

SUMMARY

Experienced, versatile, and multi-disciplined engineer has an extensive engineering background and strengths in the areas of design, architecture, installation, integration, configuration, operations and performance optimization of real-time (data/voice/video & cellular) inter-networks. Career highlights include full life cycle software development, integration testing, Systems Engineering, Infrastructure Engineering, inter-operability testing, functionality testing, proof of concept testing, and multi-vendor VoIP regression testing (Cisco, Sonus, Alcatel-Lucent, Avaya, Siemens, 3 Com, Nortel Networks, Motorola, Samsung, etc.). Business experience includes strategic, multi-priority, project management; with emphasis on superior organizational and interpersonal skills, product/program management, and staff leadership.

PROFESSIONAL EXPERIENCE

Comcast Cable Communications Jun. -2008 to date.

Principal Engineer Commercial Voice Services’ Integration

National Engineering and Technical Operations (NE&TO)

• Design, Architecture, Integration, Configuration and implementation of Enterprise Commercial Voice services. Timely launch of Business Comcast Digital Voice (BCDV), Trunked Services, Toll Free Service, Integrated Last Mile Access, Voice Self Supply, Family Plan, Fixed Mobile Convergence and IP Multimedia Subsystem (IMS).

• Define, Implement and evolve backhaul strategies for Wireless Broadband 3G / 4G using Comcast’s dark fiber, Circuit Emulation over IP (CEoIP) or Pseudo Wire Emulation End to End (PWE3) and participate in the Metro Ethernet Forum representing Network Engineering to use native ethernet (carrier Ethernet) as a means of transport.

• Work with the Wireless Product Development Business Unit for the creation of a Wireless Systems Architecture for Comcast Cable. Architecture includes elements of service delivery, service assurance, Operations Support Systems / Business Support Systems (OSS/BSS), Quality of Service (QoS) and Customer experience (QoE).

Sprint Nextel Corporation Jan. -2005 to May. -2008

Principal Member Technical Staff / Research Scientist III,

Applied Research and Advanced Technology Laboratory

Innovative Technologies’ Evaluation, Access and Devices Team

• Led a major area of industry research, evaluation and validation of RF modeling, planning, performance optimization and propagation analysis. Conducted in depth analysis of alternative “Cellular Backhaul” solutions over IP (Ethernet) using Pseudo Wire Emulation end-to-end (PWE3). Served as an internal consultant and Subject Matter Expert (SME) on matters of IP and RF.

• Designed, Architected, and analyzed platforms and supporting hardware/software systems specific to IP Multimedia Sub-System (IMS) with a focus on Cable Joint Venture and Broadband Wireless (WiMax lab proof-of -concept and Field trials).

• Research and Analysis of the technological aspects of the state of the art CDMA (1xRTT & EV-DO), GSM, UMTS, Q-Chat and i-DEN (Push-to-Talk) Wireless Industry, which encompasses the major thrust of Sprint’s strategic technological development in switching, signaling, traffic management, and network control.

• Served as a Principal Investigator on improving customer experience, better quality of service, and Sprint-sponsored research for migration of circuit switched (TDM) to packetized (IP) Backhaul

• Served as a Technology Architecture and Network Development organization liaison to Internal Business Units (ex. Product Development, Information Technology, etc.) to ensure internal customers’ requirements and needs for technology assistance were met in a timely manner.

• Mentored junior members of technical staff to accomplish engineering tasks and meet deliverables. Fostered development of technical and professional attributes in members of technical staff. Demonstrated leadership in program and project identification, development and management.

• Supported Wireline VoIP /Next Generation Voice Networks (NGVN) and Wireless VoIP over CDMA (Rev. A & B). Served as a SME for the system test, integration, and certification of our Hybrid Fiber Coaxial (HFC) Cable Infrastructure. Worked on co-operative and non co-operative Cable “Multiple Service Offering’s (MSO’s) and Mobile Virtual Network Operator’s (MVNO’s)” Initiatives. Played a key role in Sprint Nextel’s partnership with Cable MSO’s as a consultant leading Technology Development organization.

• Provided leadership and direction for research participants within our Technology Development Organization. Served in a liaison capacity and worked closely with Corporate Strategy, Information Technology, Product Development and Network Development organizations to complete and succeed on critical projects (ex. Combo Phone (dual mode phone: CDMA & Wi-Fi ) and Samsung’s UbiCell (with IP Backhaul over broadband).

• Held responsibility for determining, defining, outlining and documenting Internal Customer requirements and expectations. Performed detailed test planning, executed test cases, published Technical Reports that captured practical observations, suggestions, recommendations, and performed the live demonstrations for Executives, peers, and Customers (Stakeholders - both Internal and External).

MAJOR ACHIEVEMENTS

• Evaluated and validated Motorola’s Multiservice Enterprise Access (MEA) Platform which is based on CWDM as a means of “Alternative Cellular Backhaul” (to backhaul the T1 and Ethernet services) over an MSO’s “Dark Fiber”. Proposed this solution for Cable MSO’s as a viable technology for voice transport and revenue savings.

• Migrated Lucent’s HLR to SDHLR and finally to HSS, IMS 2.0, 3.0 and 4.0. Evaluated Lucent’s “Smart Antenna” technology for optimum capacity planning and better customer experience. Performed Lab proof of concept (PoC) trial of Nortel’s and Lucent’s EV-DO Rev. 0 & upgraded to Rev. A and Rev. B

• Supported Combo-Phone (Dual mode: Wi-Fi and CDMA) Lab. Trial over the Coaxial Cable Infrastructure using IP Multimedia Subsystem (IMS) platform from Cisco Systems for Seamless Mobility and Dynamic Quality of Service (DQoS) using “Full Packet cable Multi Media (PCMM)” for better Customer experience.

• Installed, configured, and performed a detailed evaluation to improve In-building cellular penetration using a “Clariton” Distributed Antenna system (Micro cell) over existing CATV, Airvana’s Femto Cell, and Samsung’s UbiCell (Pico cell) over a Hybrid Fiber Coaxial Infrastructure. Validated that the Clariton system increases the coverage inside the buildings by repeating the signal, improves customer experience and capacity. Verified that the system can work with Multi Carriers and proposed this solution for “i-DEN” & “CDMA” signals integration for better coverage.

• Integrated, evaluated, and demonstrated “Services and Applications” for Cooperative Cable IP Service’s Proof of Concept testing that cross telephony and cable service delivery networks. Features included TV Caller ID, Call Waiting, TV Caller ID, TV Call Log, Call Controls, Picture Caller ID, and web-based self-provisioning tool. Configured the Integra 5 (Caller ID Application server) as a Gateway between the Call Management Server (CMS - Nortel CS2K, Cisco BTS 10200 and Cedar Point’s Safari C3) supporting SIMRing (Simultaneous Ringing) feature and displayed all supported features on the TV connected to the Set Top Box (STB) via. HFC (Digital Headend) from Scientific Atlanta a Cisco Company and Motorola.

• Integrated, evaluated and demonstrated “Location Based Services (LBS)” using Application Server from ITAAS as a LBS Gateway and Auto Desk’s Database to locate cellular subscribers (family members, esp. children), businesses and points of interest.

• Installed, Configured and provisioned Point-to-Point Microwave cellular backhaul (MMDS) for Over the Air (OTA) 3G & 4G cell sites for Drive testing using Ceragon, Dragonwave, Gigabeam and Redline equipment.

• Currently working on a $3M Budget for a core infrastructure upgrade. This involves getting quotes from Cisco Systems for upgrading ITP Chassis, BTS 10200 Softswitch and Content Delivery Network’s (CDN’s) hardware/software upgrade. This involved defining and negotiating an Annual Maintenance contract and OCAP Upgrade for Scientific Atlanta’s Digital Headend Infrastructure.

Technisource, Inc. Feb. 2004 – Jan. 2005

Consultant for Sprint Corporation, Overland Park, KS

Systems Testing, Integration and Certification (STIC) Laboratory

(VoIP / PacketCable Multimedia / DOCSIS)

• Installed, configured, provisioned and Integrated Network components used for Next Generation Voice Network (NGVN). Performed systems testing, site acceptance testing (SAT), and baseline certification.

• Conducted Proof of concept (PoC) testing, functionality, stress & performance and regression testing of a Next Generation Voice Network. Equipment involved included: Cisco BTS 10200 Softswitch, Cisco UBR 7100/7200 CMTS, ADC Cuda 12000 CMTS, HFC Headend, CNR 6.1.1/ BACC 2.6, Nortel’s CS2K, Passport 8600 LAN Ethernet Switch, SAM21 GWC, PVG15000, AcmePacket SBC (Session Directors & Session Routers), Kagoor SBC VoiceFlow 1000,2000 & 3000, DMS 250/500, Neura Trunking Media Gateway, Santera, Cedar Point, Syndeo & Syion Packet Cable, Arris, Terayon, Scientific Atlanta, RCA and Motorola’s SBV eMTA/CM.

• Installed, configured, and provisioned Hybrid Fiber Coaxial (HFC) plant from Scientific Atlanta and Motorola’s Digital Headend. Supported DOCSIS 1.0, 2.0, PacketCable 1.0, 1.1 and Full PacketCable Multi Media (PCMM) specifications from CableLabs.

• Installed, configured, and tested a wireless hop-off platform using Avaya’s Media Gateways, Media Servers and Messaging servers for the DMS250 offload (IP Tandem) project to bypass toll switches.

AT&T Solutions Jul. 2003 – Jan. 2004

Senior Operations Manager for GMC, Detroit, MI

Service Delivery Division, Life Cycle Management Team

Responsible for the smooth Network Operations of client’s MAN/WAN/LAN (24x7) all over North America including Canada and Mexico, South America, Latin America, Europe, Middle East and Asia Pacific rim. Supported all GMC vendors, re-sellers, just-in-time (JIT) suppliers, and manufacturing sites all around the globe as a single point of contact.

• Responsibilities included WAN Monitoring (Cisco Platform), troubleshooting, and performance tuning using Ciscoworks and HP’s Open View.

• Designed, installed, configured, and provisioned Network Security. Implemented Network Intrusion Detection, deployed e-VPN solution using Ayava VPN Gateway NS500 to avoid Network Vulnerability (ex. DDoS attacks) and migrated the WAN to MPLS.

AT&T Corporation, Inc. Jan. 2002 – Jun. 2003

Technical Events Manager, Bridgeton, MO

Voice over IP Network Operations, Optical Networks and Packet Switching

• 24x7 Technical Support of VoIP Network Operations for AT&T's Local Access Management Option (ALAMO), International pre-paid calling cards and AT&T Wireless (AWT)/ Software Defined Networks (SDN) under trial.

• Responsible for the un-interrupted operation, monitoring and trouble shooting of 3Com, Clarent, Sonus VoIP System (Softswitch), and Cisco's range of IP products.

• Responsible for the management of a Voice over IP Network Operations Center as it relates to the surveillance, control, technical solutions and restoration for the AT&T Voice over IP Networks.

• Experienced with Windows NT 4.0 Administration. Developed product knowledge and had hands-on experience of Sonus equipment (GSX9000, SGX2000, PSX600, NFS Servers, etc.), Commworks, Clarent and Cisco’s Media Gateway MGX8800.

3Com Corporation, Inc. Dec. 1999 – Jan. 2002

Systems Engineer III, Mount Prospect, IL

System Test Group, R&D of IP Telephony

• Conducted functionality, fault tolerance, stress, and performance testing of IP telephony solutions and VoIP products supporting both H.323 and SIP/SS7 protocols.

• Participated in VoIP solution deployment and end-to-end systems/software engineering lifecycle phases (software development, integration testing and systems testing). This VoIP system was based upon EIA/TIA Industry Standards. Equipment involved included Media Access Gateways, Gatekeepers/SIP Proxy Servers, Interactive Voice Response (IVR) system, and a bank of Back End Servers (Authentication, Accounting, Provisioning, Rating server, etc).

• Automated system test procedures using PERL programming language. Reduced the test cycle to two weeks from 6 weeks if done manually; thereby reducing the time to market the software under development.

• Designed the network infrastructure and architecture to test IP Telephony and Softswitch software. Utilized our existing hardware platforms to achieve reliability, fault tolerance, and redundancy; saving our system test group 40% of the allocated budget.

• Designed, installed, and configured test bench for testing VoIP supporting H.323, SIP, and inter-working functionality with Telos wireless switch (Media Gateway and Media Gateway Controller). Performed backward/forward compatibility tests and interoperatibility testing of 3Com's VoIP solution with numerous market leading vendors (Cisco, Nortel, Sonus, etc.) to verify open system interconnection and product conformance with industry standards.

IBM Global Services Group Oct. 1997 – Dec. 1999

Financial Services Consulting Industry,

Field Service Engineer, Chicago, IL

Installed, configured and provisioned core backbone network of Chicago Financial District, which carried real time data transactions of Chicago Stock Exchange and Chicago Board of Trade.

• Successfully completed a network transition project from serial communication (Asynchronous) to Internet Protocol (IP) compliant, by replacing legacy network equipment (Multiplexers/De-Multiplexers, dumb terminal, etc.) with IP based Cisco Routers, switches, PC’s. etc. to achieve reliability of packet delivery, higher speeds and lower maintenance costs.

• Installed and configured a Cisco Catalyst Fast Ethernet Switch running Cat. IOS to achieve high bandwidth demand and to separate collision domains at the local area network (LAN) level.

• Installed and configured fast serial interface processor (FSIP) cards in Cisco 7500 series area border routers to achieve 2.5 GB bandwidth at the WAN backbone.

Siemens Engineering Co. Ltd. Jan. 1995 – Oct. 1997

Executive Engineer, Karachi, Pakistan

• Sales, Marketing and promotion of IT equipment manufactured by Siemens AG.

• Engineering Services, Customer's site visits, making offers/ quotations/tenders and follow up.

• Coordinated with regional offices in different cities in Pakistan and respective departments in Germany.

• Experienced in installation, testing, commissioning, and maintenance of PDH/SDH (SONET) digital transmission equipment for country wide transmission PDH/SDH network up to STM-16 level in ring and bus mapping (with emphasis on Lucent ADM-16 Wave Star).

• Experienced in the installation, testing, commissioning, and maintenance of Digital Radio System for point-to-point transmission for the capacities of E0/DS0, E1/DS1, E3/DS3, STM1 levels (with emphasis on Siemens products).

• Conducted market research for new business development and implemented programs based on gathered data.

• Increased client visits resulted in revenue increase and long term business relationships.

• Personal interaction with all internal departments helped decreasing product development time, launching products faster in the market and resulted in sales profit increase.

• Technical support, trouble shooting, and maintenance of a Campus WAN at the Siemens Manufacturing Complex in Karachi, Pakistan. Equipment involved included Cisco routers, Catalyst switches, and PIX firewalls.

• Monitored WAN using HP Open view and used sniffers for Performance monitoring and traffic fine tuning.

EDUCATION

• Certificate course in Project Management Systems, Keller Graduate School, St. Louis, MO 2003

• M.S( Telecommunications), Roosevelt University, Schaumburg, IL 2001

• B.S(Electrical Engineering), N.E.D. University of Engineering and Technology 1996

• M.Sc (Applied Physics), Specialization in Radio Communication 1992

• B.Sc Pre-Engineering with Physics, Chemistry, Mathematics 1990

TECHNICAL TRAINING

Global Knowledge Training Courses:

• Advanced Juniper Networks Routing and Advanced Policy– M/T Series

• Trained on Cisco, 3 Com, Alcatel, Alcatel-Lucent, Sonus, Siemens and Nortel equipment.

• TCP/IP Module I, II, III Certification and CCNA Bootcamp from Global Knowledge.

• Scientific Atlanta’s Digital Subscribers Network (DNS, DNCS, BroadLAN, HFC , DOCSIS {D2/3}, DAVIC ,etc.)

• Trained on Acme packet’s Session Border Controllers (SBC’s) (SD’s and Routers, SRP’s and peering points)

• Presently working on CCIE Written Exam preparation to be accomplished by the year end followed by Labs.

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