Leonel ArboreDatabase Administrator
As a SQL Server 2005-2017 DBA I manage stand alone and Clustered instances for several clients spread around the globe. I’ve developed T-SQL, PowerShell scripts/programs to automate and improve different processes. I also manage UNIX based environments where I install and maintain PostgreSQL, MySQL, ElasticSearch and MongoDB database servers. For this role I've also created Bash and Python based scripts I've been working with colleagues and clients in different locations across the world (USA, Sydney, Manila, Poland, London, India) always prioritizing cordiality and teamwork.
Tech stack
Database Administration (13)
Bash (12)
Microsoft SQL Server (10)
Python (10)
Transact-SQL (8)
SQL Server Integration Services (SSIS) (8)
Database Replication (8)
Amazon Web Services (AWS) (7)
Windows PowerShell (7)
MySQL (5)
SQL (4)
AWS CLI (4)
GitHub (2)
MongoDB (2)
Backup & Recovery (2)
RedShift (2)
PostgreSQL (2)
Zabbix (2)
Unix Shell Scripting (2)
High Availability (2)
Experience
Database EngineerZaelot
03/2021 - Currently

Database Administration on AWS Aurora Mysql 5.6-5.7: • Production database upgrade deploys. • Performance monitoring and troubleshooting. • Automation using Bash + Python + AWS CLI. Database Administration on Snowflake data-warehouse: • Management of data-pipelines and data-load tasks. • Views and stored procedures development. • Environment monitoring lambda functions connected with Slack channels.

MySQL
Python
SQL
Amazon Web Services (AWS)
Database Administration
AWS CLI
Bash
Database AdministratorGlobant
07/2019 - 03/2021

No-SQL Database administration: • Elastic search, Cluster setup and migrations (versions 5.6 - 6.8 - 7.6) • MongoDB, cluster administration and automation (version 4.0) • Bash scripting for automation and alerting Database Administration on MS SQL Server 2012, 2014 & 2016: • High Availability Cluster setup and monitoring (Always On Availability Groups) • SSIS packages development and maintenance • Data issues troubleshooting • Manage database backup and data retention strategy • Query performance optimization

MongoDB
Amazon Web Services (AWS)
Transact-SQL
SQL Server Integration Services (SSIS)
Backup & Recovery
Database Administration
RedShift
Bash
GitHub
Microsoft SQL Server
Database AdministratorFravega
12/2017 - 07/2019

Cloud Administration in Amazon Web Services: • EC2 Installations, Configurations • SQL Server, Mysql and Postgres RDS sizing provisioning and configuration Database Administration on SQL Server 2008, 2012 & 2014: • High Availability setups (MS Clusters, Always On Availability Groups) • Monitor databases in a high-volume production environment • Manage database backup and data retention strategy • Troubleshooting • Integration Services (ETL) Database Administration on PostgreSQL (9.2-9.6) in Linux environments: • Backup & Restore strategies • Installations, Configurations • Shell scripting, Automation tasks • High Availability setup with Linux HA resource agents Database Administration on MySQL (5.6-5.7) in Linux environments: • Installations, Configurations • High Availavility setup with Percona XtraDB Cluster + ProxySQL + Keepalived

MySQL
Amazon Web Services (AWS)
Zabbix
High Availability
Database Administration
Database Replication
Unix Shell Scripting
Microsoft SQL Server
PostgreSQL
Database AdministratorAccenture
10/2011 - 12/2017

Database Administration on SQL Server 2005, 2008, 2012 & 2014: • High Availability setups (Replication + MS Clusters) • Monitor databases in a high-volume production environment • Install, patch and upgrade SQL server • Maintain database security policy, permissioning, and user accounts • Manage database backup and data retention strategy • Troubleshooting • Performance Tests • Integration Services (ETL) • PowerShell & T-SQL scripting Database Administration on Sybase ASE & SQL Anywhere in UNIX/Linux environments: • Mirroring setup • Backup & Restore strategies • Installations, Configurations • Python & Shell scripting • Automation tasks.

Python
Transact-SQL
SQL Server Integration Services (SSIS)
Database Administration
Windows PowerShell
Database Replication
Bash
Microsoft SQL Server
Education
Systems Information Engineer Universidad Tecnológica Nacional (UTN)
03/2008 - 06/2016