Daniel MedinaDatabase Administrator
Capable, dynamic, participative and highly sociable person, with extensive knowledge and experience in the administration of relational databases such as Oracle in its versions 10g, 11g, 12c and Microsoft SQL Server 2008, 2012, 2014, and 2016 as well as performing functions as a Functional Analyst in integrated systems (ERP) assisting the user in troubleshooting and raising requirements for the Development area. Knowledge in Net Technologies, good management practices with ITIL Foundation, server level software Windows Server 2008, 2012 and Linux Server Red Hat 6.x, 7.x and Oracle Linux, knowledge in administration of cloud environments Amazon AWS (IAS Model) and Microsoft Azure SQL, technical English at intermediate level (reading, writing and conversation).
Certifications
B1 Intermediate
B1 Intermediate
10/07/2021
Tech stack
B1 Intermediate
Oracle Database (7)
SQL Server Management Studio (5)
Windows Server 2012 (4)
Linux RHEL/CentOS (3)
PL/SQL Tuning (3)
SQL Management Studio (3)
SQL Server Integration Services (SSIS) (2)
Java (2)
SQL Performance (2)
.NET (2)
Linux (1)
Certified Scrum Master
Shell Scripting
Database Administration
Communication
Operations Management
Leadership
Data Architecture
Analytics
IT Security
Unix Shell Scripting
Linux Server Administration
Experience
Database AdministratorGLOBAL HITSS
05/2021 - Currently

Oracle Database Administration in versions 11g and 12c with Oracle RAC SQL Server Database Administration for the prevention of vulnerabilities in versions 2008-2016. Maintenance of backup policies. Incidence’s Resolution in databases Grant access to users Maintenance and improvement of high availability and contingency procedures in database (failover cluster, always on). Optimization of database performance through tuning tools and code analysis.

Oracle Database
SQL Server Management Studio
Linux RHEL/CentOS
Windows Server 2012
Database AdministratorMETRICA ANDINA
03/2020 - 04/2021

SQL Server Database Administration for the prevention of vulnerabilities in versions 2008-2016. Oracle Database Administration for the prevention of vulnerabilities in versions 11g and 12c. Maintenance of backup policies. Maintenance and improvement of high availability and contingency procedures in the database (failover cluster, always on). Optimization of database performance through tuning tools. Application of security patches and service packs on SQL server versions. Requirements and incident management with Remedy and PAM.

Oracle Database
SQL Server Management Studio
SQL Server Integration Services (SSIS)
SQL Performance
Java
.NET
Database AdministratorINLEARNING GROUP
09/2019 - 04/2020

- Oracle Database Administration in its 11g versions under IBM AIX environments in a 2-node - IBM AIX environments in a 2 node RAC. - Management of statistical reports with AWR, ASH for monthly reports. - Preventive and Corrective Maintenance Management for database performance recovery. - performance in the database. - Handling of RMAN and Export/Import for backup restoration in testing and development environments. - Responsible for SQL and Oracle database Production Passes. - SQL Server Database Administration in versions 2008 to 2014 under Windows environments.

Oracle Database
SQL Server Management Studio
Linux
Windows Server 2012
Database AdministratorTELEFONICA TGESTIONA
08/2017 - 09/2019

- Oracle Database Administration in its versions 10g, 11g, and 12c under Linux and Solaris environments. - Support service to various customers of the telephone group in Oracle database with high availability technology Oracle RAC 12c and Grid Infrastructure with Dataguard. - Management of Oracle Stand By as an alternative contingency mode. - Management of statistical reports with AWR, ASH for monthly reports. - Handling of Preventive and Corrective Maintenance for database performance recovery. - Handling of RMAN and Export/Import for backup restoration in testing and development environments. - Responsible for SQL and Oracle database Production Passes. - SQL Server Database Administration in versions 2008 to 2014 under Windows environments. - Implementation and Support of High Availability in SQL Failover Cluster.

Oracle Database
SQL Management Studio
PL/SQL Tuning
Education
Bachelor in Systems Engineering and ManagementSouthern Scientific University (UCSUR)
04/2015 - 06/2020
Portfolio
implementation Database Oracle 12c
May 2021 - August 2021
Implementation SQL Server 2014
September 2017 - December 2017