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Urgent! DBA MSSQL Senior Job Opening In Colombia, Colombia – Now Hiring Mediatrix

DBA MSSQL Senior



Job description

Responsabilidades

Responsable de garantizar la disponibilidad, rendimiento, seguridad y continuidad de los sistemas que utilizan SQL Server en la organización.

Este perfil administra las bases de datos empresariales en entornos on-premise, híbridos y en la nube, asegurando que soporten de forma confiable las operaciones críticas del negocio.


• Instalar, configurar y mantener instancias de SQL Server (2016 o superior) en entornos on-premise, virtualizados y cloud (Azure SQL Database / Managed Instance).


• Implementar planes de respaldo y recuperación (nativos de SQL Server y herramientas complementarias).


• Monitorear el rendimiento y optimizar consultas, índices y uso de recursos.


• Gestionar la seguridad de las bases de datos: accesos, privilegios, roles, auditorías y cifrado.


• Administrar la replicación, mirroring, log shipping y Always On Availability Groups.


• Automatizar tareas de mantenimiento mediante T-SQL, PowerShell o Python.


• Colaborar con equipos de Desarrollo, DataOps y Arquitectura para optimizar esquemas, índices y procesos.


• Garantizar la disponibilidad y continuidad de los servicios en entornos críticos (banca, seguros, salud).


• Coordinar planes de actualización, parches y migraciones de bases de datos y servidores.


• Participar en auditorías de seguridad, continuidad y cumplimiento regulatorio.

Experiencia Esperada


• +8 años de experiencia administrando SQL Server en entornos críticos y de alta disponibilidad.


• +5 años de experiencia con soluciones de replicación, alta disponibilidad y recuperación ante desastres.


• +3 años de experiencia en optimización de rendimiento y tuning avanzado.


• Experiencia en migraciones de bases de datos entre versiones o a la nube (Azure SQL, Managed Instance).


• Experiencia en entornos regulados como banca, seguros o salud.

Tecnologías y Herramientas de Referencia

Plataforma SQL Server:


• SQL Server (2016, 2019, 2022)


• SQL Server Management Studio (SSMS)


• Always On Availability Groups


• Replication, Mirroring, Log Shipping


• Azure SQL Database y Managed Instance


• SQL Server Agent y Database Mail

Lenguajes y Scripting:


• T-SQL (optimización, mantenimiento, automatización)


• PowerShell (tareas administrativas)


• Python (validaciones y scripts de integración)

Monitoreo y Rendimiento:


• SQL Server Profiler, Extended Events


• Query Store, Database Tuning Advisor


• Herramientas de monitoreo (SolarWinds DPA, Redgate SQL Monitor, Zabbix, Prometheus)

Seguridad y Cumplimiento:


• Transparent Data Encryption (TDE)


• SSL/TLS para cifrado en tránsito


• Auditorías nativas de SQL Server y herramientas complementarias (Redgate, ApexSQL)

DevOps / Infraestructura como Código:


• Pipelines CI/CD (Azure DevOps, GitLab, Jenkins)


• Terraform, Ansible para aprovisionamiento de infraestructura


• Control de versiones con Git


Required Skill Profession

Other General



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