DBA Engineer specialized in Microsoft SQL Server

Description

Job Summary: We are seeking a Database Specialist / Database Engineer (DBA) to administer, optimize, secure, and maintain databases in mission-critical production environments, detect and resolve performance bottlenecks and slowness issues, and ensure database availability and stability. Key Highlights: 1. Mission-critical database administration and optimization 2. Performance and slowness issue detection and resolution 3. Ensuring database availability and stability TechDC Telecom is a Mexican company specializing in technology solutions and telecommunications infrastructure. Its team consists of engineers and specialists across various IT domains, focused on delivering consulting services, IP telephony, development, cybersecurity, and technology infrastructure implementation for enterprises and organizations. We seek a **Database Specialist / Database Engineer (DBA)** with experience in Microsoft SQL Server, including database administration, performance tuning, and high availability. Capable of administering, optimizing, securing, and maintaining databases in mission-critical production environments. Experience in performance diagnostics, query tuning, logical and physical database design, high availability, backups, disaster recovery, and operational task automation. Recommended experience level: 3 to 5 years of hands-on SQL Server administration experience, or less time with solid production experience and proven ability to resolve complex incidents. Key technical skills: * Administration of on-premise SQL Server and, if possible, Azure SQL. * Database design and maintenance. * Indexing, query optimization, and execution plan analysis. * Backups, restores, DRP, and operational continuity. * Replication, Always On, clustering, and high availability. * Performance monitoring, blocking, deadlocks, and resource contention. * Security: roles, permissions, auditing, and encryption. * Automation using T-SQL, SQL Agent, and PowerShell. Recommended tools: * SQL Server Management Studio (SSMS) * SQL Server Agent * Extended Events * Performance Monitor * Query Store * Activity Monitor * Azure Data Studio * PowerShell * Monitoring tools such as Redgate, SentryOne, SolarWinds, or similar Responsibilities: * Ensure database availability and stability. * Detect and resolve slowness issues. * Implement backup and recovery policies. * Manage security and access controls. * Optimize CPU, memory, I/O, and storage consumption. * Document architecture, procedures, and changes. * Support development and applications in query analysis. Important Skills: * Analytical ability. * Critical thinking. * Organization and documentation. * Ability to work under pressure. * Clear communication with development, infrastructure, and business teams. * Preventive — not just corrective — approach. Work location: On-site employment