Database Administrator Engineer

KARR HALVERSON

**** ***** *****, ****** *****, TX 75028 469-***-**** *************@*****.***

Certified database administrator (DBA) with extensive experience designing, coding, testing and supporting next-generation database solutions in several database environments. Proficient in an assortment of technologies, including MS SQL Server, Oracle, MySQL, Postgres, AWS, and Azure.

Professional Experience

BluCora, Irving TX 03/2018 – Current

Lead Data Engineer

Configured and implemented new SQL Servers using AlwaysOn in AWS.

Upgraded all SQL Server instances to SQL Server 2019.

Evaluated Aurora Postgres and MySQL for transition/migration from SQL Server.

Helped in design and implementation of Aurora MySQL and Postgres in AWS.

Assisted in AWS account migration.

Assisted Integration team in supporting data warehouse.

Targetbase, Irving TX 09/2017 – 03/2018

Sr. Database Administrator

Configured and implemented new SQL Databases, Data Warehouse, and VMs in Azure.

Administrate all SQL Server databases.

Upgraded several on-premise SQL Server instances from SQL 2008 to SQL Server 2017.

Help administrate Oracle 11g and Oracle 12c databases on Unix.

Schumacher Clinical Partners, Dallas TX 05/2009 – 08/2017

Lead Database Administrator

Worked directly with the operations team in designing, implementing, and maintaining over seventy-five instances running on SQL Server 2008 R2, SQL Server 2012, SQL Server 2014, SQL Server 2016.

Worked alongside the business intelligence team in supporting the data warehouse.

Responsible for security to all SQL Server environments.

Helped support MySQL and Cache (Unix) data systems.

Helped design and support AWS environment which included VMs, storage, RDS, security, and backups.

Projects included SQL Server migration to and from AWS/EC2, SQL Server upgrades, AlwaysOn, and a redesign of the data warehouse environment.

Was also involved with database projects during several company acquisitions.

Expedia Inc, Dallas TX 04/2007 – 05/2009

Sr. Database Engineer

Worked with database development and operations on proper database implementation and design for current and new SQL server environments which included a large data warehouse.

Designed and implemented development and pre-production environments and gave tier 3 support when needed. Major projects include data center migration, implementation of new high availability solutions for SQL server, implementation of several SQL server performance and task monitoring tools, and several SQL 2005 migrations on primary production systems.

MGM MIRAGE, Las Vegas NV 06/2005 – 04/2007

Sr. Database Administrator

Along with a team of five other database administrators, helped maintain over one-hundred and thirty instances of SQL Server 2000.

The environment included twelve SQL Server 2005 Enterprise servers running in an active-passive and/or active-active clustered configuration.

Supported Oracle 9i databases running on Windows.

Responsibilities included maintaining production SQL Servers, schema designs, stored procedure development, building and installing database servers, maintaining database replication and log shipping.

Mandalay Resort Group, Las Vegas NV 04/2002 – 06/2005

Data Warehouse/Database Administrator

Daily maintenance which included ordering and configuring servers, backups, replication, MS Cluster administration and interfacing with the various programming departments.

Database Administration and Development using SQL Server 7.0 & 2000.

Aided in implementation of Data Warehouse between DB2 and MS SQL databases

Designed and implemented Cluster environments for company-wide applications and databases.

Maintain company Customer Information System & CRM databases on SQL Server and trained CRM procedures to marketing personnel.

Education

University of Minnesota – Minneapolis, MN

BS Chemistry

Mathematics Minor

References available upon request

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