Aruna Weerakkody - "...:::Creative-Innovative-Imaginative Well expreince all rounder:::... - Freelance Project Manager, Sri Lanka"

*Lankaclear (Pvt.) Ltd. is fully owned by Central Bank of Sri Lanka and other commercial banks in Sri Lanka.  It is the national cheque clearing house in Sri Lanka and the largest Sri Lanka government data center and VPN in Sri Lanka. CITS* (Cheque Imaging and Truncating System) is one of the large scale national projects to introduce new cheque clearing system within ‘T1 time’ period. CITS is n-tire J2EE application and runs on Sun Solaris 9® and database is oracle 9i® in Primepower Fujitsu® servers.

• Help to client(Mobitel) to identify and troubleshoot not only mediation system but also operating system and database server
• Submit the incident report with required information to higher level support team to do detail analysis
• Give onsite solution or alternative if situation is very critical
• On call attended to the problems and give the solutions onsite
• Monitoring storage usage, memory usage and security level  and if any critical situation acknowledge the operation team of client (Mobitel)
• Doing testing  and trail runs to changes not only system (*Convergys Mediation Manager) but also mobile switching center (ERICSSON MSC)
• Mapping the mobile switching center (ERICSSON MSC) to Convergys Mediation Manager (CMM).
• Implementation of Business scenarios, mapping rules to Mediation system.
• Customized the Mediation software to handle GPRS,MMS services
• Preparing shell scripts and SQL scripts to monitoring purpose and data gathering purpose
• Communicate with Convergys L2 support from Singapore and Convergys L3 support from India to give the most efficient and reliable solution to the client (Mobitel)

*Convergys Mediation Manager (CMM) is linked to a billing system that processes usage in real time. This system is n-tire J2EE and C language application and do mediation part between Mobile switching system and billing system. It runs on Solaris® Operating system and backend is Oracle 9i2® database server. Mobitel Lanka (Pvt.) Ltd. and Sri   Lanka telecom currently using Convergys mediation system

• Configuring and maintaining company Mail Servers (Platform- Redhat Linux 9 – sendmail 8.12 and qmail 2.0.11)    
  • Installing and configuring qmail, vqadmin, vpopmail, qmailadmin, squirrel mail server and Clam Antivirus
  • Creating multiple domain (walksideways.lk & connoi.lk)
  • Creating users and forwarding mail to another users
  • Authenticating password using Mysql database
  • Facilitating the company user’s to access there E-mail through the internet
  • Installing mail scan virus guard and limiting spam mails
• Configuring and maintaining Proxy Server (Platform Redhat® linux 9 – Squid Proxy/Cache server 2.5)
  • Give internet facility to company employees
  • Making different permission levels
  • Give special time period to access internet to some users
  • Disable some management required website
• Configuring and maintaining DNS Server (Platform Redhat® Linux 9 – BIND 9.2.1  Server)
  • Configuring DNS &Making zone file
  • Configuring caching nameservers
• Configuring and maintaining Firewall  (Platform Redhat® Linux 9 – iptables 1.2.7
  • Writing firewall script & Accept and Reject protocol and port permission to server
  • NAT and Masquerading IPs
  • Monitoring network traffic  
• Installing and configuring in-house Oracle9i® database for software development environment
• Configuring, maintaining and updating virus guard and prevent virus attract to company network
• Directly communicating and negotiating with the vendors in order to fulfill the company’s hardware, software and network requirements.
• Analyzing RFP’s of client and provide them with effective and efficient solution

• Configuring Cargodrive system
  • Installing Solaris® patches & Installing JDK 1.4
  • Configuring JBoss –3.0.6 Application Server
• Monitoring the performance of Oracle®9i2 database and JBoss -3.0.6 Application server.
• Customizing servers for final evaluation and user training session of the Cargodrive system
• Participated in the database migration team (Microsoft SQL to Oracle9i2)
• Evaluating the ability to run the Cargodrive system on iPlanet® Application Server.
• Maintaining logs for new upgrades
• Maintaining a backup procedure on live system
• Studying new version of JBoss Application Server and evaluating ability to run present system on new JBoss version and current version on different platform (Redhat 8)
• Preparing the manuals for JBoss Application Server installation and configuration for the Cargodrive system
• Network Administering on software development environment-Windows® workgroup

*Cargodrive is an internet-based n-tire freight forwarding system. The system provides a one-stop complete solution for a freight forwarding company, its shippers, agents and consignees developed by the Ubizport (pvt.) Ltd. (Company of Expolanka group). Currently Expolanka freight Ltd. using this software. *Cargodrive freight forwarding system is J2EE application and runs on 280R SUN SPARC server which sun Solaris 9® environment and oracle 9i as database server

• Develop back-end part of web sites using ASP
• Develop the presentation and tutorial CD using Macromedia Flash 5
• Designing System
• Make the proposal report for new projects

Connect the two labs (LAN) and install Windows NT Server and Windows 2000 Professional. Give the proposal to provide the Internet facility and connect another branch using frame relay or Point-to-Point Protocol technology

• Maintaining and trouble shooting the network
• Installing the Windows® NT (server and workstation)
• Understanding Windows® NT environment
• Preparing and designing computer workshops for new employees.
• Conducting workshop in computer knowledge