I have a status of Oracle Certified Professional Database Administrator in versions 9i, 10g, 11g (OCP DBA 9i, OCP DBA 10g and OCP DBA 11g) and 12c, as well as few other official Oracle certifications – Oracle9i Database Administrator Certified Professional: Special Accreditation in Managing Oracle9i on Linux, Oracle Database 10g: Managing Oracle on Linux Certified Expert and others. My everyday duties include DBA tasks, as well as backup and recovery strategy development and realisation (RMAN), policy of applying patches (CPU) and high availability of data (RAC, Data Guard). I have an experience of supporting developers and end-users, optimisation of stored PL/SQL code and physical structure of database, as well as experience working with HP, EMC and Hitachi storages. Also my duties include investigation of software problems, Oracle bugs and work with Oracle Support.