Download PDF

Summary

Experienced Systems and Telecommunications Engineer with M.Sc. in Electrical Engineering

Qualifications

  • Over 8 years experience in systems engineering, telecommunication systems, RF broadband networks and infrastructure, digital broadband delivery systems and IPTV
  • Master of Science in Electrical Engineering.
  • Strong experience in cable and IP network technologies, Digital TV, Content Delivery Networks, complex system design and integration. 
  • Understanding of embedded systems configuration and circuit design.
  • Strong experience in OCAP/tru2way and DOCSIS setup and configuration.
  • Deep understanding of MPEG-2/MPEG-4 compression systems and various digital signal modulation and compression techniques.

Projects

NetCrypt Deployment Solution in Comcast: Design lead and architect of the NetCrypt deployment solution in Cisco environment across all Comcast.NetCrypt is a content delivery bulk encryptor. 

Cisco RF Gateway Edge QAM Configuration and Test: Architect new design, configuration and testing of the next generation edge device for content delivery in Cisco digital video system infrastructure

MSEE Research:QAM Bandwidth Allocation Algorithms: Research about reliability of different QAM bandwidth allocation algorithms for video on demand. 

QAM Modulation Noise Testing and Statistical Models: Research about QAM modulation noise, lab and field testing, effects of video modulation and continuous waves and statistical noise distribution models.

Master's Thesis: New Design for Microcontroller Bluetooth Communication for Wireless Signal Analysis: Developed a prototype with ATMEL Microcontroller for a portable mini signal analysis device which interfaces with Android devices using Bluetooth, the device can be switched to be an Oscilloscope or a Spectrum Analyzer.

Skills

  • Complex Large Scale System Integration, Design and Troubleshooting.
  • Digital Broadband Delivery Systems, Broadband Networks and Digital Video Infrastructure.
  • Unix/Linux Administration and Advanced Troubleshooting.
  • Shell(bash/ksh) and database scripting.
  • Cisco Digital Network Control System (DNCS).
  • Content Delivery Networks and Enhanced Television (ETV).
  • Virtualization and Cloud Computing.
  • Switched Digital Video and VOD Integration.
  • Embedded C Microcontroller Programming
  • C/C++ programming in GNU/Linux.

Work History

Sep 2013Present

Senior Engineer, Video Systems Infrastructure and Network Engineering

Comcast
  • Lead Engineer in designing and maintaining digital headends infrastructure of Comcast National Engineering and Technical Operations QA labs.
  • Lead Engineer in deploying new digital network control systems, system integration with different environments including VOD solutions, tru2way set-tops in DOCSIS environment, DAVIC legacy set-tops, and ETV systems.
  • Expert in writing database system scripts to automate information queries and troubleshoot complex system issues.
  • Configure and integrate switched digital video and VOD infrastructure with different delivery solutions such as Arris, Cisco and Harmonic.
  • Lead Engineer in next generation video and OnDemand RF video transmission edge devices
  • Lead Engineer and subject matter expert of the NetCrypt deployment solution across all Comcast. 
  • Work with other engineering team members, to plan, configure and deploy new devices, resolve complex infrastructure, network and headend issues to ensure stable environment for the test and QA engineers.
Jul 2010Aug 2013

Engineer III, Core Video Infrastructure

Comcast
  • Plan, design and maintain digital headends infrastructure of Comcast National Engineering and Technical Operations QA labs.
  • Deploy new digital network control systems, system integration with different environments including VOD solutions, tru2way set-tops in DOCSIS environment, DAVIC legacy set-tops, and ETV systems.
  • Configure and integrate switched digital video and VOD infrastructure with different delivery solutions such as Cisco, Harmonic and Arris edge devices.
  • Design Lead and subject matter expert of the NetCrypt deployment solution across all Comcast.
  • Develop shell and database system scripts to automate information queries and troubleshoot complex system issues
  • Work with other engineering team members, to plan, configure and deploy new devices, resolve complex infrastructure, network and headend issues to ensure stable environment for the test and QA engineers.
  • Mastered tracking, debugging and resolving numerous digital headend issues in a continuously changing infrastructure.
Jan 2008Jul 2010

Digital Video Systems Engineer

Time Warner Cable
  • Maintained, monitored and administered Digital Broadband Delivery System for Time Warner Cable of NYC.
  • Expertise in maintaining different DBDS servers and equipment including Cisco DNCS, QAMs, QPSKs, Application and VOD servers under Unix/Linux Environment.
  • Used different diagnostics, networking tools and shell scripting to troubleshoot and monitor over 100 servers to detect and resolve any system fault
  • Worked with different vendors such as Cisco, Sun, Pioneer, Tandberg, Samsung, IBM and Arris to resolve customer impacting outages and configure new devices and servers.
  • Configured and planed different headend devices and servers under Unix/Linux environment.
  • Developed new shell system scripts to automate information queries and troubleshoot complex system issues.
  • Participated in deploying new OCAP and MDN digital software navigators on Scientific Atlanta and Samsung set-top boxes.
  • Participated in splitting Manhattan and Brooklyn/Queens cable systems into 4 separate DBDS systems.
  • Troubleshoot multi user VoIP customer impacting issues using Agilent, network monitoring tools and CSG billing system.
Oct 2005Jan 2008

Level 2 Broadband Advanced Services Specialist

Time Warner Cable
  • Used various network diagnostic tools to detect system and network outages, such as DOCSIS monitoring program, and netcool systems.
  • Configured and provisioned various cable modems with routers and various network systems
  • Monitored end to end VOIP and CMTS networks.
  • Used VoIP provisioning systems to detect, provision business and residential VoIP equipment and trace SIP traffic to assist in resolving multiple user system issues.
Jul 2004Jan 2005

Electronics Engineer

AlexTech Computer
  • Repaired, implemented, upgraded, and trouble shot PC components.
  • Installed, upgraded, and configured various operating systems and applications.
  • Setup and configured HW/SW's LANs, Print Servers connections and end users accounts.
Oct 2003Jun 2004

Microprocessor & Microcontroller Embedded Systems Engineer, Internship Project

Faculty of Engineering
  • Fully designed a simple robot (hardware/software components and integration) controlled by a computer (microprocessor) through interfacing it to a parallel port.
  • Designed its software using Visual Basic 6, C++, AT8051 Application tools and implemented them to perform the complete operation.
  • Programmed the microcontroller (AT8051) using assembly language and designed the controlling hardware (Embedded system design).
  • Acquired great skills and knowledge on how to remotely controlling a system or machine by interfacing it to a computer and designing software to do the overall operation

Education