Ola Hallengren
Chief Data Platforms Engineer
Copenhagen, Capital Region of Denmark
Summary
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RockstarOla Hallengren is a Chief Data Platforms Engineer based in Copenhagen with nine years of experience building and operating data infrastructure for financial services. At Saxo Bank he leads data platform strategy and delivery, combining hands-on database engineering with platform-level ownership to keep critical systems reliable and performant. A seasoned SQL Server practitioner, he contributes to the well-regarded "SQL Server Maintenance Solution" repository—authoring and refining scripts for backups, integrity checks and availability-group resilience—bringing practical operational expertise to platform design. Known for translating complex availability and maintenance requirements into auditable, automated processes, he blends deep DBA skills with pragmatic engineering leadership.
8 years of coding experience
Github Skills (11)
sql-server10
query-optimization10
database-administration10
database-backup10
sql10
optimisation10
database-backups10
tsql10
optimization10
database-optimization10
database-management9
Programming languages (1)
Github contributions (3)
olahallengren/sql-server-maintenance-solution
Jun 2017 - Jan 2023
SQL Server Maintenance Solution
Role in this project:
Database Engineer / Database Administrator
Database Engineer / Database AdministratorContributions:201 commits, 102 PRs, 323 pushes in 5 years 8 months
Contributions summary:Ola primarily contributed to the SQL Server Maintenance Solution repository, as evidenced by numerous commits focused on database-related tasks. Their work included the addition and modification of SQL scripts, particularly those related to database backup, integrity checks, index optimization, and other maintenance functions. The user also made changes to address issues within availability groups and added checks for suspect databases, demonstrating expertise in SQL Server administration and database management.
sqlserversql-servermicrosoft-sql-serversqlmaintenance
olahallengren/sql-docs
Apr 2021 - Apr 2021
Technical documentation for Microsoft SQL Server, tools such as SQL Server Management Studio (SSMS) , SQL Server Data Tools (SSDT) etc.
Contributions:1 push in 1 day
data-servertechnical-documentationsqlserversql-serversql-server-management-studio
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