Senior Database & Linux Systems Lead

TransUnion Limited

Hong Kong

Hybrid

HKD 650,000 - 900,000

Full time

7 days ago

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Job summary

TransUnion Limited in Hong Kong seeks an experienced Database Administrator to maintain and optimize large-scale SQL Server, Oracle, PostgreSQL and Informix systems. The role combines Windows and Linux administration, performance tuning and capacity planning in a hybrid, on-site/off-site environment.

You will manage incident response, patches, batch environments, and drive close collaboration with security teams and developers.

Qualifications

Minimum 5 years of DBA experience with sizing, design, tuning and capacity planning
Linux/Unix system administration experience
Solid knowledge of Informix, Oracle, SQL Server, MySQL, PostgreSQL
Experience with Windows and Linux administration in virtualized environments
Familiarity with load balancers, firewalls and network/storage basics
Proficiency in English and Cantonese, written and spoken

Responsibilities

System and database maintenance across SQL Server, Oracle, PostgreSQL and Informix
Perform Windows and Linux system and database infrastructure tasks
Monitor and respond to security incidents
Manage ticketing via Remedy
Ensure health of database and application systems
Provide insights to application support teams
Patch, size and tune databases, plan capacity
Deploy new application systems and technologies
Drill test BCP annually
Document configurations and procedures
Support vendor databases on Windows/Linux servers
Maintain UNIX/Linux OS performance and availability
Collaborate with development and network teams
Operate batch jobs and daily batch reporting subsystems
On-call production support as needed