I have worked with oracle databases for 6 years, providing support and being an on site DBA. I have worked with Oracle Linux 6+.
I also have experience working with MSSQL Server and PostgreSQL.
I have worked with Oracle SQL since 2014, I have been an Oracle DBA using Oracle 9i, Oracle 10g, Oracle 11g and Oracle 12c. I have worked in multiple companies, such as goverment, enssurace, Oracle Partners and Telco.