Lahiru Samaraweera

Oracle Core Database Administrator having over 10+ years of IT experience with 24*5 Production Support OLTP and Dataware house DB's. I would like to pursue my carrier focusing on Oracle Database Administration, Databases analysis/Design and software maintenance. I have played the role of Senior Oracle DBA, Oracle Technical Consultant, and Linux Administrator, Oracle Developer during my years of DBA service. I have developed analytical skills that allows me to diagnose and solving the issue in short time period, Furthermore, I possess a strong ability to work in a diverse technical and multicultural organizations. I believe in team working and I am a strong team player. SKILLS & ABILITIES Oracle RAC 11g &12C administration,Installation,Patching Oracle Data guard 11g&12C installation and administration  Expertise knowledge on Performance Troubleshooting Profile migrations ,Baseline, AWR , ASH, ADDM and related Tuning Advisors.  RMAN Utility & command knowledge  Oracle Database installations from 10g, 11g, 12C and upgrade from 10g to 12C  Oracle database upgrades from 8i-9i-10g-11g/12c. Database Upgrade from 12C Container to 19C as PDB.  Configuring and administering oracle RAC11g/12C, ASM, Data guard  High availability configuration and administration of oracle DB 10g & 11g&12C  Cross OS platform migrations/database upgrades, windows ,Linux & Solaris  Converted oracle databases from ext3/gpfs/vxfs file system based storage to automatic storage management (ASM) databases for effective i/o performance, and non RAC databases to oracle RAC  Exposure in setting up Oracle DBVisit  knowledge on JIRA/Remedy  Expertise level scripting knowledge on Ksh and Bash, and very good knowledge in Unix Flavours.