Aziz Sabun Wala, Systems Engineer

Aziz Sabun Wala

Systems Engineer

StarzPlay

Location
United Arab Emirates
Education
Bachelor's degree, Telecom Engineering
Experience
14 years, 3 Months

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Work Experience

Total years of experience :14 years, 3 Months

Systems Engineer at StarzPlay
  • United Arab Emirates - Dubai
  • My current job since October 2015

• Multiplatform based Solution Administration (Microsoft, Linux, Cisco Systems, HP and IBM)
• Managing Splunk, Bacula, Vualto, Gigya, Salesforce, Elastix Call Center, Youbora, MPX, MuleSoft CloudHub Platforms on Linux/Unix.
• Managing Amazon Web Technologies: Elastic BeanStalk, EC2, ELB, S3, ElastiCache, RDS (MySQL) and RedShift DB and Route53.
• Managing Docker Infrastructure for QA/Testing.
• Managing WordPress Blog (blog.starzplay.com)
• Managing VPNs over PfSense/Mikrotik.
• Managing CDNs Akamai, Level3, Amazon Cloudfront and Cedexis Load Balancer.
• Managing ESXI Virtualization Platform.
• Managing Video Streaming Platforms.
• Networks/System Integrations for IaaS, PaaS & SaaS based managed services.
• Enterprise/Telecom Network Security Solutions, Information Security Governance & Risk Management Compliance.
• Specialized in Cloud Integrations.
• Network/System Penetration testing.
• Managed Services ICT Solutions.
• Technical Research & Product Development.

Major Projects:
• starzplay.com (arabia.starzplay.com) - new and exciting streaming video on demand (SVOD) and OTT service that delivers blockbuster Hollywood movies and exclusive TV the same time as the US - anytime and on any device in 17 countries across the Middle East and North Africa.
• starzplay.com (arabia.starzplay.com) - Chromecast Integration using Vualto JIT packager.

Expertise:
• Linux distro’s of Red Hat, Centos, Fedora-Core and Ubuntu Server side. (Configured Bind, Apache, Nginx, Varnish, Samba, LTSP, LDAP, HA, Postfix, Nagios, JBOSS and SendMail).
• Unix Scripting tools: Shell scripting and Python.
• Amazon based web technologies: EC2, ELB, Elastic Beanstalk, Elasti-Cache, S3, RDS (MySQL), RedShift DB and DNS Management using Route53.
• Strong experience in installation and configuration of Sangoma, Digium, Dialogic, Sinway and TelecoBridges Platform with SS7/Sigtran connectivity with Core Telecom Network.
• Strong working knowledge of Mobicents JSLEE, SIP Servlet and jSS7 standalone platform for higher level VAS systems.
• Strong Knowledge and working experience in SS7 (MTP2/MTP3, SCCP, TCAP, ISUP, INAP/CAP/DIAMETER and MAP), SIGTRAN (SCTP and M3UA), GSM, 3G and SIP.
• HP SAN (Storage Area Networks) Storage Works 24 TB, Switches (Pro-Curve Switch 2600 Series) and Servers (G6 and G7 Series)
• Virtualization using Docker and VMWare ESXI.
• Asterisks, Free Switch, Kamailo, Elastix and YATE based VAS and IVR platforms for Telecom Industry and Banking Industry.
• MySQL and MsSQL with Master-Master and Master-Slave Replication.
• Mikrotik and pfSense based open source Routing, VPNs and Wireless Access/Routing platform.
• Cisco Routers (2500, 2600, and 2800 Series) and Switches (2950, 2960, 3550 Series)

Consultant - System Design & Implementations at E-conceptions
  • Pakistan - Islamabad
  • October 2013 to September 2015

@E-conceptions- VAS solution (VOILER-Voice blogging) based on Linux/Unix, Sangoma, and Asterisk and SS7/SIP platform in GSM/3 G Telecom Providers i.e. Ufone, Mobilink, Telenor, Warid and Zong.
• Installed A104 Sangoma digital cards on Asterisk 1.8 and Asterisk 11 platform using Debian and Centos OS.
• Installed and configured 8E1s with SS7 on each provider using open-source chan_ss7 library for incoming and outgoing calls.
• Installed and configured SIP account in Telenor with IMS integration for incoming and outgoing calls.
• Monitoring of SS7 links using Nagios Monitoring module of Linux.
• Managing and Planning of Resources and deliver technical designs and architecture as requirements received.
• Audit of Linux/Asterisk servers before going live for smooth services in production.
• Making scripts using bash and python for automation of monitoring tasks.
• Prepare Technical Documentation related to on-going Projects.

Major Projects:
• Voiler - Voice Blogging and Voice Follower service - deployed in all operators of Pakistan i.e. Ufone, Mobilink, Warid, Zong and Telenor.
• Regional Radio over IVR service - deployed for Ufone Pakistan
• Udirectory service - deployed for Ufone Pakistan
• Career Portal - deployed for Zong Pakistan
• Language Tutor learning service - deployed for Zong and Telenor Pakistan
• Food-Court service - deployed for Zong and Telenor Pakistan
• Spiritual Journey - deployed for Zong Pakistan
• Science LAB - deployed for Zong Pakistan

Senior Engineer - Group Technical Implementation & Support at Unified Communications
  • Pakistan - Karachi
  • October 2010 to April 2015

• Provide Remote System/Development Support of VAS projects of Unified Communications deployed at Ufone Pakistan (BGM, Collect Call, VSMS and Notify Me), ZONG (BGM), and Zain KSA (BGM, PRBT, and PRBV). Complete system and development support based on Linux systems.
• Telecom Core (VAS Platforms Integration with SMSC using SMPP, HLR (SRI-SM, ATI), SCP(Camel IDP/Diameter) and MSC (E1/T1/PRI))
• Strong Knowledge and Working experience on Telecom Signaling Protocols (SS7/SIGTRAN \[M3UA Link establishment\])
• Hands on Linux operation system (configured Bind, Apache, Samba, LTSP, LDAP, HA, Postfix, Nagios and SendMail).
• Installation/Configuration of IVR servers, Dialogic and Digium Cards (TDM E1 cards & Analog FXO/FXS cards and SIP trunks) on Windows/Linux based platforms
• Troubleshoot advanced Linux issues of Kernel recompiling, Package Management and advanced File System Management.
• Experience in developing Asterisk Dial plan and Service Flows and also using AGI and FastAGI for third party integration.
• Troubleshooting issues of SS7/Sigtran, Inbound/Outbound Call Routing, call processing and debug issues in request and response of ISUP, SCTP, MAP and CAMEL (CAP) Protocols used in VAS products.
• Planning and Implementation of Virtualized platforms of VMware ESXi and KVM Hypervisor on HP G-Series hardware virtualization supported servers.
• Implementation and planning of Web servers using Apache and Tomcat for Web portal of VAS platforms.
• Actively involved in expansion and audit of VAS and Telecom systems and ensuring smooth performance of Production servers.
• Ensuring system backups, monitoring tools like Zabbix and Nagios on Production Linux systems.
• Provide T2 technical support of IVR Servers in PIA and Local/International banks like HBL, MCB, SCB, Atlas Bank, ABL, RBS and FBL.


Major Projects:
• VSMS - Solution deployed at Karachi and ISL for Ufone. With Awaz SMS user can submit Awaz SMS anytime using Prefix and Miscall Option.
• Notify-Me - Solution deployed for Ufone. With Notify-Me User will always know when their desired contact is within reach.
• Notify-Them - Solution deployed for Ufone. With Notify-Them both users A and B will always know when their desired contacts are within reach.
• Collect-Call - Solution deployed for Ufone. With Ufone Collect Call customers can remain connected and make calls even when you don’t wish to pay for a call, so user no longer require to send people missed calls as the receiving party pays for the call charges.
• BGM - Solution deployed for Ufone and Zong. Users can enjoy back-ground music during conversation.

Core Networks Trainee Engineer at Ericsson Pakistan
  • Pakistan - Karachi
  • May 2010 to September 2010

• Involved in making daily, weekly and monthly backups of CP (Central Processor), TT (Toll Ticketing) & APG (Adjacent Processor) of all South Nodes.
• Involved in Alarm Monitoring with hands on experience on WINFIOL.
• Involved in Call testing, VAS testing, GPRS/EDGE testing and Daily PMR Health checks.
• Spare Inventory control and Supervision of all the equipments being deployed at MSC e.g. MSS, M-GW, BSC, MSC, SCP, STP etc.

Telecommunication Engineer (Field Installations) at Augere Pakistan
  • Pakistan - Karachi
  • January 2010 to April 2010

• Monitoring the Customer Premises Equipment (CPE - STATS Monitoring)
• Installation, Testing and Debugging the RSSI, CINR and Modulation of Siemens \{SX-680 (outdoor), SX- 682 (indoor) and SX-686 (indoor + Wi-Fi) \}.
• Installation, Testing and Debugging the RSSI, CINR and Modulation of Zyxel 2151M1W (indoor + Wi-
Fi)
• Providing Support to client Equipment Issues.
• Ensuring Network Availability of Qubee's Wimax by working with NOC to verify and follow up site
status.

Education

Bachelor's degree, Telecom Engineering
  • at Mohammad Ali Jinnah University
  • May 2010

BS in Telecom Engineering from MAJU (Mohammad Ali Jinnah University) Years: 2006-2010 (CGPA-3.52/4) - Scored GPA 4 out of 4 in two semesters. - Scored highest marks in Final Year Project (IPV6 transition mechanism). - Organized Technical sessions in University with the help of TOP Telecom Industry Professionals. - During studies, managed to get internship in CAA Pakistan (Civil Aviation Authority).

Specialties & Skills

Virtualization
System Solutions
Scripting using Linux Shell and Python
Databases (MySQL and SQL server)
Asterisks
TELECOMMUNICATION
Vmware ESXi
Redhat Linux
Linux/Network Monitoring tools
SAN (Storage Area Networks)
Windows 2008 server
Telecom Core Signalling
SS7/Sigtran
Project Management
ITIL processes

Languages

English
Expert
Gujarati
Expert
Arabic
Beginner

Memberships

Zumbeel - Telecom Resource Management
  • Event Co-Ordinator
  • January 2009

Training and Certifications

Wimax and Mobile Communications (Training)
Training Institute:
Interface- A Teleco Resource Firm
Date Attended:
January 2010