Manager, Database & Linux

TransUnion; Hong Kong; Hybrid; HKD 300,000 - 540,000; Full time

Job summary

TransUnion Hong Kong is seeking a Manager I, Infrastructure Engineering and Provisioning on a hybrid basis. The role focuses on maintaining and sizing large-scale RDBMS environments across Windows and Linux servers, with emphasis on performance tuning and security.

You will support a multi‑vendor hardware and software stack, including virtualization, and ensure production readiness with documented processes.

Qualifications

• Minimum 5 years of DBA with hands‑on experience in system & database sizing, design, tuning, DB reorganization, capacity planning and problem analysis.
• Minimum 5 years of Linux/Unix System Admin role.
• Solid knowledge in Database Administration (e.g. Informix, Oracle, SQL Server, MySQL, PostgreSQL, etc.)
• Working experience in Unix/Linux and Windows system administration preferably in virtualized environment
• Experience with virtualization technologies such as VMware
• Proficiency in English and Cantonese both written and spoken

Responsibilities

• System and security maintenance of RDBMS (SQL Server, Oracle, PostgreSQL & Informix)
• Perform Windows and Linux systems and database infrastructure tasks
• Monitor and respond to security and incident management
• Manage ticketing system on Remedy
• Maintain the database and application systems in a healthy status
• Provide professional insights to the application support team for development and maintenance work
• Perform installation, configuration, patching, sizing, design and tuning of databases
• Deploy and evaluate new application systems and IT technologies
• Execute and maintain annual BC/DR drill tests
• Ensure documentation for all systems is up to date

Skills

DBA experience

Linux/Unix admin

English & Cantonese

VMware

Cloud AWS

Education

Degree in IT/CS

Tools

Informix

Oracle

SQL Server

MySQL

PostgreSQL

Redhat

Jboss

Tomcat

Apache

Job description

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Team Overview

At TransUnion, we are creating an environment where everyone can think creatively. Where you can make a difference and pursue your passion. If you want to make a positive impact and support Hong Kong’s continued development as the preeminent regional financial hub, we can help you achieve that goal in an inclusive, dynamic and collaborative environment where the well-being of our people and our commitment to building talents for future needs are our top priorities.This is a hybrid position and involves regular performance of job responsibilities virtually as well as in-person at an assigned TU office location for a minimum of two days a week.

Role Overview And Core Responsibilities

• System and Security maintenance of RDBMS (SQL Server, Oracle, PostgreSQL & Informix)
• Perform Windows and Linux systems and database Infrastructure
• Monitor and responding on Security and Incident management
• Manage Ticketing system on Remedy
• Maintain the database and application systems in a healthy status
• Provide professional insights to the application support team for all level of development/maintenance work
• Perform Installation, configuration, patching, database sizing, design, tuning and capacity planning
• Evaluation/Deployment of new application system and IT technology
• Execute and maintain the drill test of BCP annually
• Ensure adequate documentation for all application and database systems
• Supports and maintains other vendor database software installed on the Windows/Linux servers
• Maintains UNIX/Linux Operating System to provide optimum performance and system availability
• Supports application development team to ensure application software is installed correctly and all current maintenance levels have been applied
• Creates and maintains environment for running batch jobs associated with daily batch cycle and batch reporting subsystem
• Works with network and infrastructure personnel to ensure compatibility with network applications and peripheral hardware to provide end users with reliable and stable working environment
• System level support for mission critical application and database servers, docker, Java application servers or other large-scale databases in a UNIX/Linux environment.
• Supports and maintains other vendor database software installed on the UNIX/Linux servers
• Perform regular system patching to ensure the compliance of info security
• Provide production or on call support if necessary

Required Knowledge And Experiences

• Degree Holder in Information Technology, Computer Science or related discipline
• Minimum 5 years of DBA with hands‑on experience in system & database sizing, design, tuning, DB reorganization, capacity planning and problem analysis
• Minimum 5 years of Linux/Unix System Admin role
• Solid knowledge in Database Administration (e.g. Informix, Oracle, SQL Server, MySQL, PostgreSQL, etc.)
• Working experience in Unix/Linux and Windows system administration preferably in virtualized environment
• Experience in installing, configuring, and maintaining services such as Redhat, Jboss, Tomcat, Apache, Oracle, DB2 & Informix, etc.
• Familiarity with Linux scripting languages
• Work independently with standalone problem solving capability
• Experience with virtualization technologies, such as VMware
• Knowledge of servers, network, SAN storage, RDBMS, & Cloud (e.g. AWS) etc.
• Certificate in Oracle, SQL, Linux, AWS, etc. would be an advantage
• Proficiency in spoken and written in English and Cantonese
• Available to provide 24/7 support on a roster basis
• Knowledge of Change Management process and procedure
• Leadership competence to drive result
• Strong grasp on configuration management tools
• Familiarity with load balancing, firewalls, etc.
• Proficient with system management tools such as iptables, HAProxy, NGINX, SPLUNK, etc.
• Ability to build and monitor services on production servers
• Excellent communication skills, written and verbal.
• Able to work independent and understand the business priorities
• Knowledge of Software Development Methodologies including the SDLC and Agile frameworks & other statistical tools

TransUnion Overview:

At TransUnion, we encourage and are committed to creating a real, positive impact and shared sense of purpose within our Workforce for Good , which empowers our people to grow, innovate and contribute to a better future for our communities and customers. We stride to build an environment where our associates are in the driver’s seat of their professional development— while having access to help along the way. We recognize that success comes when our associates thrive both professionally and personally; that’s why we prioritize work/life flexibility and offer resources for our teams across the globe to collaborate and drive excellence.

Be a part of our Workforce for Good – you’ll work with great people, pioneering products and cutting-edge technology.

TransUnion’s Internal Job Title:

Manager I, Infrastructure Engineering and Provisioning