Senior SQL Server Database Administrator

Serigor Inc

contract

Posted on: 9/26/2025

Origin: • 🇺🇸 United States • Pennsylvania

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Senior

AzureBigQueryJavaMySQLPostgresPythonSQLSSIS

About the role

Lead performance tuning efforts across large-scale SQL Server environments with high transaction volumes.
Analyze and optimize SQL queries, indexes, and database configurations to improve application responsiveness.
Monitor and troubleshoot database performance using tools such as Idera SQL Diagnostic Manager, Query Store, SQL Server Profiler, Dynatrace.
Evaluate index statistics and fragmentation; recommend and implement improvements.
Develop and maintain documentation of performance best practices for use by development and DBA teams.
Manage core DBA functions including installation, upgrades, backup/recovery, and high availability (e.g., Always On Failover Clustering).
Participate in capacity planning and performance forecasting.
Collaborate with development teams to improve database-related application processes.
Escalate complex issues and coordinate resolution with internal and external resources.
Apply administration best practices in daily operations and contribute to continuous improvement efforts.
Participate in a 24/7 Production support call rotation.
Support and learn other DBMS as needed (BigQuery, MySQL, PostGreSQL).

Bachelor’s degree in computer science, Information Systems, or related field (or equivalent experience).
10+ years of hands-on experience as a SQL Server DBA in enterprise environments.
Proven experience in high-transaction systems such as ecommerce, banking, or financial services.
Strong understanding of database file structures, access methods, and performance analysis.
Advanced knowledge of SQL Server tools and technologies: SSMS, SSIS, SSRS, Always On.
Demonstrated ability to lead tuning efforts and mentor junior DBAs.
Excellent analytical, communication, and problem-solving skills.
Familiarity with application/database interaction and optimization strategies.
Industry-recognized certifications (e.g., Microsoft Certified Database Administrator) preferred.
Participation in a 24/7 production support call rotation.
Willingness to learn and support other Database management systems (BigQuery, MySQL, PostGreSQL).
Additional preferred skills: Java, Python, MuleSoft, Azure SQL, DevOps and CI/CD pipelines.