MIRKO R.

Database Administrator

435 dollar
Freelancer
32 years
Belgrade, SERBIA

My experience

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COCOSJanuary 2012 - Present

  • Installation, Configuration, Administration and Upgrade of SLES 11.x, 12.x, 15.x operating systems.
  • Installed Oracle 11g & Oracle 12c database and created database instances in several environments.
  • Designed and created tables with indexes, triggers, sequences and foreign keys. Created and run seed data loads for
    static table population. Created stored packages and procedures for data inserts and updates from the legacy DB.
    User management and maintain ORACLE database server.
  • Provided database and SQL programming support for the Oracle database, also utilizing export/import and SQL script
    creation to support data conversion processes.
  • Setting up and configuring various types of Linux and Windows server.
  • Testing,scheduling and installation of patches and upgrades.
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COCOS ComputersJanuary 1990 - Present

  • System and technical support (L1,L2,L3) : SLES/OpenSUSE Linux , RedHat/CentOS, Oracle Linux ,Windows.
  •  Installation, manages and maintains Linux and Windows systems.
  • Software developing, implementations, upgrades and migration on various platforms.
  • Installation and configuration of LAMP/WAMP services various types and different purposes.
  • Monitoring servers and infrastructures using Nagios, CheckMK and console monitoring tools.
  • DB Administration, Installation and support for Oracle RDBMS, MySQL/MariaDB, Postgres, MSSQL.
  • Support, development and implementation of various applications and data base solutions.
  • Ensuring and maintaining optimal performance of all managed systems.
  • Backup and restore management. Disaster recovery, assisting in fault tolerance and troubleshooting.
  • Design and implementation of different ICT solutions, network infrastructure, LAN, WAN, VOIP ( MikroTik, TP-Link,
    GrandStream..)
  • Diagnose, troubleshoot and repair HW/SW (HP, Fujitsu,Lenovo, EPSON..) equipment and system related problems.

My stack

Application servers

Apache Web Server

Open Source solutions

LAMP

Protocols

SFTP, TCP/IP

Databases

TOAD, MySQL, Oracle 11g, MariaDB, Microsoft SQL Server, Database Administration, PostGreSQL, Oracle 12c, Oracle

IT Infrastructure

Linux, Samba, VPN, Security, System administration, Linux Red Hat, WAMP, Windows Server, CentOS, Git, Nagios, Unix, Firewalls

Languages

SQL, Oracle PL/SQL

Others

Troubleshooting

My education and trainings

Master degree - ETF School of Electrical Engineering - University of Belgrade