Senior Database Administrator

Job Title: Senior Database Administrator – SQL Server, Snowflake & Azure

Location: Colombia - Fully Remote

Type of Contract: Full-Time

Salary Range: Market Rates

Language Requirements: Above Average English

We are seeking a skilled Senior Database Administrator with strong experience in SQL Server, Snowflake, and Azure cloud environments to join our growing Infrastructure team. You will play a key role in database administration, platform stability, and performance optimization across large-scale enterprise systems. Your work will directly impact system reliability, scalability, and overall data platform performance.

Key Responsibilities

• Administer, maintain, and optimize SQL Server environments across production and non-production systems in Azure

• Monitor and improve database performance through query tuning, execution plan analysis, indexing strategies, and troubleshooting locks, blocking, and wait statistics

• Manage backup and restore processes, replication, high availability, and disaster recovery configurations

• Administer and optimize Snowflake environments, including warehouse sizing, access controls, roles, permissions, and platform performance

• Support integrations with Azure services, external stages, blob storage, and automation workflows related to database operations

• Collaborate with Infrastructure, DevOps, and Data teams on deployments, migrations, incident response, and continuous platform improvements

• Contribute to database administration best practices, documentation, and governance standards

Must-Have Qualifications

• 7+ years of experience in database administration and database performance optimization

• Strong hands-on expertise in Microsoft SQL Server, including administration, tuning, replication, backup and recovery, and HA/DR

• Strong experience with Snowflake administration, architecture, and performance tuning

• Hands-on experience working with Microsoft Azure cloud infrastructure

• Proven ability to troubleshoot complex database issues in large-scale or high-volume environments

• Strong understanding of concurrency, transactions, indexing, and database reliability best practices

• Above Average English communication skills with the ability to collaborate across technical teams

Preferred Qualifications

• Experience supporting enterprise or retail platforms with high transaction volumes

• Background in database modernization, migration, or cloud transformation initiatives

• Familiarity with scripting or automation using PowerShell or Python

• Exposure to DevOps practices and CI/CD pipelines