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Tech Holding Logo Tech Holding · IT - Software Development

Senior SQL Server Architect (MS SQL)

Mexico · Job Posted March 22, 2026
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Job Description

We are seeking an experienced MS SQL Architect, for a project-based assignment, to lead the design, optimization, and modernization of enterprise database environments. This is a hands-on architecture role focused on SQL Server performance, scalability, and migration strategy. You will work closely with engineering, DevOps, and infrastructure teams to assess existing database environments, design scalable solutions, and drive improvements across performance, reliability, and cost efficiency. You will own database architecture decisions, including migration strategy, performance optimization, and scalability planning across production environments. This role is ideal for someone who can operate both strategically and hands-on, with deep expertise in SQL Server and experience supporting high-volume, production-grade systems.

Job Responsibility

  • Design and architect scalable, high-performance SQL Server environments
  • Assess existing database systems and define architecture improvements across performance, indexing, and query optimization
  • Lead end-to-end database migration initiatives (on-prem to cloud, version upgrades, or re-platforming)
  • Optimize stored procedures, queries, and schema design for large-scale datasets
  • Partner with DevOps and infrastructure teams on deployment, monitoring, and automation strategies
  • Implement best practices for backup, recovery, high availability, and disaster recovery (HA/DR)
  • Analyze and resolve complex performance bottlenecks in production environments
  • Provide technical leadership and mentorship to engineers and database developers
  • Ensure data integrity, security, and compliance across database systems

Requirements

  • 7+ years of experience working with Microsoft SQL Server in production environments
  • Proven experience operating at an Architect or Senior-level DBA capacity with ownership of database decisions
  • Deep expertise in query optimization, indexing strategies, and performance tuning
  • Strong experience with SQL Server 2016 or newer
  • Hands-on experience with high availability solutions (Always On, clustering, replication)
  • Proven experience leading database migrations end-to-end (on-prem to AWS/Azure or hybrid environments)
  • Strong understanding of database design, normalization, and large-scale data modeling
  • Experience supporting high-volume, production-grade systems
  • Advanced T-SQL skills

Nice to have

  • Experience with cloud platforms such as AWS (RDS, EC2) or Azure SQL
  • Familiarity with infrastructure as code and automation tools (Terraform, CI/CD pipelines)
  • Experience with monitoring and performance tools (SQL Profiler, Query Store, etc.)
  • Exposure to data warehousing or ETL processes (SSIS, Azure Data Factory, etc.)
  • Experience working in consulting or client-facing environments
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