SQL DB Engineer
Zensar · 18 hours ago
Key Responsibilities
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Design, develop, review, and optimize complex T-SQL, stored procedures, functions, views, tables, indexes, and data-access patterns.
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Analyze execution plans, Query Store data, waits, blocking, memory grants, parallelism, CPU, I/O, tempdb usage, and transaction-log behavior to isolate and resolve performance issues.
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Refactor row-by-row and scalar-function-heavy processing into efficient set-based designs, including appropriate use of inline table-valued functions, temporary staging, indexing, and early filtering.
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Tune long-running batch, snapshot, compliance, reporting, and data-export workloads while preserving data integrity and output equivalence.
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Design and validate database structures, keys, identity strategies, data models, and replication patterns for large, tightly coupled transactional workloads.
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Support SQL Server upgrades and configuration changes through representative performance testing, execution-plan comparison, regression validation, and documented rollback or fix-forward plans.
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Engineer and support high availability, disaster recovery, transactional replication, monitoring, maintenance, archival, purge, and capacity-management practices.
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Troubleshoot production incidents with application, infrastructure, SRE, QA, and vendor teams; preserve evidence and translate findings into durable corrective actions.
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Contribute to cloud and platform modernization involving Azure SQL Managed Instance, Azure SQL, data pipelines, and workload offload from monolithic SQL platforms.
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Provide technical leadership through design reviews, code reviews, standards, documentation, mentoring, and knowledge transfer.
RequiredRequired
Required Skills
7+ years of hands-on SQL Server database engineering or development experience in enterprise environments
Advanced T-SQL, stored procedure, function, indexing, data-modeling, and query-optimization skills
Deep knowledge of SQL Server execution plans, Query Store, cardinality estimation, statistics, locking/blocking, waits, parallelism, memory grants, and tempdb.
Experience tuning high-volume transactional and batch-processing workloads with measurable before-and-after validation.
Experience with SQL Server upgrades, configuration assessment, performance testing, and production troubleshooting.
Working knowledge of high availability, disaster recovery, SQL Agent, replication, backup/restore, maintenance, and operational monitoring.
Strong analytical, documentation, collaboration, and incident-management skills
Nice To Have
Azure SQL Managed Instance, Azure SQL Database, or SQL Server on Azure virtual machines.
Azure Data Factory, Microsoft Fabric pipelines, Snowflake, or reporting/data-platform modernization.
PowerShell or other automation for database deployment, validation, monitoring, or maintenance.
Experience with financial-services transaction, compliance, reporting, or data-feed workloads.
Responsibilities
Key Responsibilities
- Design, develop, review, and optimize complex T-SQL, stored procedures, functions, views, tables, indexes, and data-access patterns.
- Analyze execution plans, Query Store data, waits, blocking, memory grants, parallelism, CPU, I/O, tempdb usage, and transaction-log behavior to isolate and resolve performance issues.
- Refactor row-by-row and scalar-function-heavy processing into efficient set-based designs, including appropriate use of inline table-valued functions, temporary staging, indexing, and early filtering.
- Tune long-running batch, snapshot, compliance, reporting, and data-export workloads while preserving data integrity and output equivalence.
- Design and validate database structures, keys, identity strategies, data models, and replication patterns for large, tightly coupled transactional workloads.
- Support SQL Server upgrades and configuration changes through representative performance testing, execution-plan comparison, regression validation, and documented rollback or fix-forward plans.
- Engineer and support high availability, disaster recovery, transactional replication, monitoring, maintenance, archival, purge, and capacity-management practices.
- Troubleshoot production incidents with application, infrastructure, SRE, QA, and vendor teams; preserve evidence and translate findings into durable corrective actions.
- Contribute to cloud and platform modernization involving Azure SQL Managed Instance, Azure SQL, data pipelines, and workload offload from monolithic SQL platforms.
- Provide technical leadership through design reviews, code reviews, standards, documentation, mentoring, and knowledge transfer.
Qualifications
Required Skills
7+ years of hands-on SQL Server database engineering or development experience in enterprise environments
Advanced T-SQL, stored procedure, function, indexing, data-modeling, and query-optimization skills
Deep knowledge of SQL Server execution plans, Query Store, cardinality estimation, statistics, locking/blocking, waits, parallelism, memory grants, and tempdb.
Experience tuning high-volume transactional and batch-processing workloads with measurable before-and-after validation.
Experience with SQL Server upgrades, configuration assessment, performance testing, and production troubleshooting.
Working knowledge of high availability, disaster recovery, SQL Agent, replication, backup/restore, maintenance, and operational monitoring.
Strong analytical, documentation, collaboration, and incident-management skills
Nice To Have
Azure SQL Managed Instance, Azure SQL Database, or SQL Server on Azure virtual machines.
Azure Data Factory, Microsoft Fabric pipelines, Snowflake, or reporting/data-platform modernization.
PowerShell or other automation for database deployment, validation, monitoring, or maintenance.
Experience with financial-services transaction, compliance, reporting, or data-feed workloads
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