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TransUnion

Database & Linux Administrator

LocationHong Kong
Work modehybrid
Typefull-time
SeniorityMid
Experience5+ yrs
DepartmentInfrastructure Engineering and Provisioning
Company size10,000+ people
First seenOct 7, 2026 · 4d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have18
Bachelor's degree in Information Technology, Computer Science, or a related discipline
Minimum 5 years of hands-on Database Administration experience
Minimum 5 years of Linux/Unix system administration experience
Strong knowledge of database technologies including Oracle, SQL Server, PostgreSQL, Informix, MySQL, and similar platforms
Experience administering both Linux/Unix and Windows environments
Hands-on experience with database performance tuning, capacity planning, database design, and troubleshooting
Experience installing and supporting enterprise software such as Red Hat, Oracle, DB2, Informix, Apache, JBoss, and Tomcat
Knowledge of Linux scripting and automation practices
Experience with virtualization technologies, particularly VMware
Working knowledge of server infrastructure, networking, SAN storage, cloud platforms (e.g., AWS), and enterprise IT environments
Familiarity with configuration management and automation tools
Experience with load balancing technologies, firewalls, and network security concepts
Proficiency with system monitoring and management tools such as Splunk, NGINX, HAProxy, iptables, and related technologies
Strong analytical and troubleshooting skills with the ability to work independently
Ability to manage multiple priorities while maintaining service quality and operational stability
Strong understanding of Change Management processes and controls
Excellent written and verbal communication skills in English and Cantonese
Knowledge of Software Development Life Cycle (SDLC), Agile methodologies, and DevOps practices
Nice to have4
Professional certifications in Oracle, SQL Server, Linux, AWS, PostgreSQL, or related technologies
Experience supporting large-scale production environments and mission-critical applications
Exposure to containerization technologies such as Docker and modern cloud architectures
Experience working in highly regulated or security-focused environments
Skills
SQL Server
Oracle
PostgreSQL
Informix
MySQL
Linux
Unix
Windows
JBoss
Tomcat
Apache
VMware
AWS
Splunk
NGINX
HAProxy
iptables
Red Hat
DB2
Docker
Legal
TransUnion’s Job Applicant Privacy Notice
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Your Privacy Choices
Team Overview
At TransUnion, we strive to build an environment where our associates are in the driver’s seat of their professional development while having access to support along the way. We encourage everyone to pursue their passions and take ownership of their careers. With the support of colleagues and mentors, our associates are given the tools and opportunities needed to grow and succeed. Regardless of title, every associate has the opportunity to learn, contribute, and make a meaningful impact every day.
Come be a part of our team. You’ll work with great people, pioneering products, and cutting-edge technology. 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
Role Overview
We are seeking a highly skilled Database & Infrastructure Engineer to support and maintain mission-critical database and application environments. This role is responsible for database administration, system administration, performance tuning, capacity planning, security management, and infrastructure support across Linux, Windows, and cloud platforms. The successful candidate will work closely with application development, support, network, and infrastructure teams to ensure the stability, availability, and security of enterprise systems.
Responsibilities
Key Responsibilities
•
Administer and maintain enterprise database platforms including SQL Server, Oracle, PostgreSQL, Informix, MySQL, and other relational database management systems.
•
Install, configure, patch, monitor, and optimize database and application environments to ensure high availability and performance.
•
Perform database sizing, design reviews, performance tuning, capacity planning, and database reorganization activities.
•
Maintain Windows and Linux server infrastructure supporting business-critical applications.
•
Monitor and respond to security incidents, system alerts, and operational issues in accordance with established procedures.
•
Perform regular system and database patching to maintain compliance with information security requirements.
•
Support and maintain application servers and middleware technologies including JBoss, Tomcat, Apache, and related platforms.
•
Maintain and support virtualization environments, including VMware and cloud-based infrastructure.
•
Collaborate with application support and development teams to ensure systems are configured and maintained effectively.
•
Evaluate, test, and implement new technologies, tools, and infrastructure solutions.
•
Support backup, recovery, disaster recovery, and annual business continuity planning (BCP) testing activities.
•
Create and maintain technical documentation, operating procedures, and system configurations.
•
Manage and resolve incidents, service requests, and change requests through ticketing systems such as Remedy.
•
Build, maintain, and monitor production services, ensuring system reliability and operational excellence.
•
Support batch processing environments and scheduled reporting systems.
•
Work closely with network and infrastructure teams to ensure compatibility and performance across integrated environments.
•
Participate in on-call support and 24/7 support rotations as required.
Required Knowledge And Experiences
•
Bachelor’s degree in Information Technology, Computer Science, or a related discipline.
•
Minimum 5 years of hands-on Database Administration experience.
•
Minimum 5 years of Linux/Unix system administration experience.
•
Strong knowledge of database technologies including Oracle, SQL Server, PostgreSQL, Informix, MySQL, and similar platforms.
•
Experience administering both Linux/Unix and Windows environments.
•
Hands-on experience with database performance tuning, capacity planning, database design, and troubleshooting.
•
Experience installing and supporting enterprise software such as Red Hat, Oracle, DB2, Informix, Apache, JBoss, and Tomcat.
•
Knowledge of Linux scripting and automation practices.
•
Experience with virtualization technologies, particularly VMware.
•
Working knowledge of server infrastructure, networking, SAN storage, cloud platforms (e.g., AWS), and enterprise IT environments.
•
Familiarity with configuration management and automation tools.
•
Experience with load balancing technologies, firewalls, and network security concepts.
•
Proficiency with system monitoring and management tools such as Splunk, NGINX, HAProxy, iptables, and related technologies.
•
Strong analytical and troubleshooting skills with the ability to work independently.
•
Ability to manage multiple priorities while maintaining service quality and operational stability.
•
Strong understanding of Change Management processes and controls.
•
Excellent written and verbal communication skills in English and Cantonese.
•
Knowledge of Software Development Life Cycle (SDLC), Agile methodologies, and DevOps practices.
Preferred Qualifications
•
Professional certifications in Oracle, SQL Server, Linux, AWS, PostgreSQL, or related technologies.
•
Experience supporting large-scale production environments and mission-critical applications.
•
Exposure to containerization technologies such as Docker and modern cloud architectures.
•
Experience working in highly regulated or security-focused environments.
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 strive 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:
Consultant, Infrastructure Engineering and Provisioning
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