Buddhika Karunanayaka Email & Phone Number

Colombo, Wp, Lk

Sri Lanka

Colombo 0200.

Colombo

I have over 16 years’ experience in the field of IT and I have handled following primary responsibilities; Implementing, managing and maintaining security of ILL  Installing, configuring and optimizing new servers and application  Upgrades in existing network environment as per requirements. Configuring and maintaining hardware firewall  Monitoring cyber threats coming from outside Backup MySQL/Microsoft SQL databases Schedule Automate Tasks and System Backup Maintaining Disaster Recovery site Installing, Maintaining and backuping Zimbra email solutions Configuring, Maintaining and backuping DNS Server Installing, Configuring and Managing MS Windows Active Directory Service Installing, Configuring, Tuning and Maintaining proxy servers Maintaining Internal and External Apache (Linux) Web Servers Maintaining Internal and External IIS6/7/8 Web Servers Proposing and Implementing new solutions Installing and configuring Content Management Systems (CMS) Perform regular security monitoring  Ensuring integrity and availability of systems Identify any possible intrusions  Hosting live webcasting solution Further, I have special expertise in Redhat Enterprise Linux and its system such as DNS, Web, email, FTP, File Sharing, Proxy and more Furthermore, I am professionally certified as Redhat Certified System Administrator (RHCSA) from Redhat Inc., USA. As well as I have several years’ experiences as visiting lecturer of the Naval & Maritime Academy which is the advanced training institute of the Sri Lanka Navy accredited to the esteemed University of Kelaniya since year 2001. The academy at present is accredited to Kotelawala Defence University. I developed the school web sites (www.vishaka.sch.lk) and conducted several lectures in schools and some community as my social activities.

a. Redhat Linux Instructor at SLNb. Diploma in Information Technologyc. Diploma in Networkd. Diploma in Web Designinge. RHCSA/RHCE

Nhq

• Hosting, Administering and backuping 12 public web sites.• Hosting, Administering and backuping 27 internal web sites.• Public/Private Open source (Linux) DNS server Hosting, Administering and backuping• Configuring, Maintaining and backup DNS Server• Creating and Updating Public and Private DNS zone • Open source (Linux) proxy server implementing and tuning • Administrating the open source proxy server having more than 15000 users and 4000 concurrent users• Open source (Linux) Content Management Systems (CMS)• Human Resource Management System backuping• Installing Zimbra email solutions (Open source) in the SL Navy• Maintaining and backuping Zimbra email solutions • Implemented proper recovery procedures for disasters and administered user-accounts’ mailbox.• Implementing MS Windows and Linux DHCP servers• Administrating the open source email server having more than 15000 users• Integrated Logistics Management System hosting and backuping• Uniform issuing system hosting and backuping• Navirusaviya Insurance Management System hosting and backuping• Implementing and maintaining security of ILL in SL Navy• Installing, upgrading , optimizing and configuring new servers and application • Configuring and maintaining hardware firewall (Sonicwall)• Monitoring cyber threats coming from outside• Managing Internet leased line • Backuping Microsoft SQL databases• Backuping MySQL databases• Scheduling system backup• Scheduling database/ application backup and automate tasks with/without shell scripting • Maintaining Disaster Recovery site• Installing, configuring and managing MS Windows Active Directory service• Installing, configuring, tuning and maintaining proxy servers• Maintaining internal and external Apache (Linux) web servers• Maintaining internal and external IIS6/7/8 web servers• Handling “Skype for Business” communication system. • Proposing and implementing new solutions.• Network and Cyber securi

Nhq

• Ensure that computer hardware components work together with the latest software.• Analyzing data and making recommendations on computer modifications• Design and oversee the production of computer hardware equipment.• Evaluate computers and related equipment. • Scheduling PC servicing and upgration. • Installing MS Windows Active Directory service• Control the efficiency of repair and maintenance processes.• Test and re-test computer hardware parts to ensure that work properly.• Identify and isolate defects/errors related to personal computers and servers.• Design escalation process of operational computers.• Estimate cost, reliability, and safety factors.• Generate specifications for parts.• Update systems by improving the components.• Supervise technicians and other engineers during technical phase.• Analyze information and recommend appropriate hardware to users.• Analyze and recommend appropriate software to users.• Introduce FOSS and open source products.• Directing technicians, PC hardware engineers and other tech support personnel.• Apply Windows patches and update GNU Linux variations. • Order computers and its accessories suit to the Sri Lanka Navy.• Maintain stocks frequently use accessories. • Network troubleshooting • Implement repair process documentation. • Maintain repair records.• Maintain knowledge of computer engineering trends and new technology• Manage data recovery due to software crash or hardware failure.• Testing and verifying hardware peripherals• Collaborating with engineering staff• Manage Antivirus management server and logs monitoring.

Nma

Key Responsibilities,-Coordinate all level courses-Preparing time tables-Preparing roster for instructors-Forecast course planing-Conduct exams -Conduct lectures

Education record

Education record

Activities and Societies: Athletics and social

Master Of Information System Management