SQL DBA

  • Charlotte, NC
  • Posted 1 day ago | Updated 1 day ago

Overview

Hybrid
$65 - $68
Contract - W2
Contract - 12 Month(s)

Skills

SQL DBA
Microsoft SQL Server
Replication
SQL
Database Administration

Job Details

Work Location Expectations
Hybrid


Summary: Manages and maintains SQL Server database environments for optimal performance, availability, and security.
Responsibilities:
SQL Server Internals
* Deep understanding of how SQL Server processes queries, manages memory, and handles I/O.
* Familiarity with execution plans, query processor architecture, and storage engine behavior.

Query Optimization
* Ability to analyze and rewrite inefficient queries.
* Expertise in indexing strategies, including clustered, non-clustered, filtered, and columnstore indexes.
* Knowledge of INCLUDE columns and their impact on query performance.

Statistics and Cardinality Estimation
* Understanding how SQL Server uses statistics for query planning.
* Experience with updating, creating, and managing statistics to improve estimator accuracy.

Concurrency and Locking
* Proficiency in diagnosing blocking, deadlocks, and transaction isolation levels.
* Ability to tune workloads for high concurrency without sacrificing performance.

* Experience in dealing with SQL Server Version change issues, particularly query performance.
* Experience in AlwaysON and other replication technologies.

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