Sr. Infra Analyst, Databases, IT

CLSA; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

CLSA in Hong Kong is seeking an experienced Database Administrator to own PostgreSQL/MySQL environments, ensure integrity, availability and security, and support application development teams. You will monitor uptime, perform backups, and implement patches while collaborating with IT stakeholders and vendors.

The ideal candidate has 5–7 years of hands-on database administration, strong Linux and scripting skills (Bash/Perl), and comfort with production on-call rotations to minimize downtime.

Qualifications

• Bachelor’s degree in Computer Science, MIS or related field.
• 5-7 years’ experience in database administration, preferably in regulated industry.
• 3 years’ hands-on experience with PostgreSQL/MySQL.
• Strong knowledge of installation, upgrades and migration.
• Experience with patches, fixes and performance tuning.
• Proficient in Linux, shell scripting and command-line DB administration.
• Ability to work in a 24x7 on-call rotation and communicate clearly.

Responsibilities

• Offer DBA PostgreSQL / MySQL support for development teams.
• Ensure integrity, availability, security and performance of DB systems.
• Monitor uptime, performance and recommend improvements.
• Assist in capacity planning, space management and data maintenance.
• Perform backups, recovery tasks and patching.
• Develop and maintain automation for monitoring and intervention.
• Lead creation of development, staging and production instances; support migrations.
• Manage logins, permissions and user accounts; participate in on-call rotation.

Skills

PostgreSQL

MySQL

Linux

Shell scripting

Performance tuning

Backup & recovery

On-call rotation

English communication

Education

Bachelor's degree in CS or related

Tools

PL/SQL

Bash

Perl

Python

Job description

As a Database Administrator, you are the primary on the most complex or escalated issues and may provide direction and guidance to team members. You will work closely with IT stake holders, vendors and other teams to deliver high quality database services.

Key Areas of Responsibilities

• Offer DBA PostgreSQL / MYSQL support for application development team.
• Ensure integrity, availability, security and performance of POSTGRESQL / MYSQLdatabase systems by providing technical support and maintenance.
• Monitor database uptime, performance and recommend improvements for operational efficiency.
• Assist in capacity planning, space management and data maintenance activities for database system.
• Perform database enhancement and modification as per the requirements.
• Perform database recovery and backup tasks on daily and weekly basis.
• Develop and maintain patches for database environments.
• Identify and recommend database techniques to support business needs.
• Lead efforts to develop and improve procedures for automated monitoring and proactive intervention, reducing any need downtime.
• Participate in the creation of development, staging, and production database instances, and the migration from one environment to another.
• Responsible for pro‑active remediation of database operational problems.
• Manages logins and user accounts, including assigning database object permissions and privileges.
• Participate in a 24x7 support rotation (on‑call)

Requirements

• Bachelor’s degree/above in Computer Science, MIS or related degree
• 5-7 years of relevant experience including database administration, database programming, preferably in Financial Services or other regulated industry
• 3 years’ experience as a hands on PostgreSQL / MYSQL database administrator.
• Strong Knowledge on Database Installation, Upgrades and Migration.
• Strong Knowledge on applying POSTGRESQL / MYSQL Patches and Fixes
• Experience in POSTGRESQL / MYSQL database architecture, logical and physical design, automation, documentation, installs, shell scripting, PL/ SQL programming, catalog navigation, query tuning, system tuning, resource contention analysis, backup and recovery, standby, replication, etc.
• Strong knowledge of Linux and shell scripting (e.g., Bash, Perl)
• Strong understanding of command line and database server administration.
• Strong analytical, verbal and written communication skills.
• Capacity planning for all aspects of a database system (storage, compute, memory, etc.)
• Ability to work non-standard shift including nights and/or weekend on‑call responsibilities
• Good communication skills in English, Chinese efficiency will be a plus
• Good team player. Capable of working under pressure and dynamic environment with minimal supervision

(Good to have)

• Good Knowledge of MS SQL Servers
• Experience with automation and scripting skills using Perl, Python
• Understanding of networking and connectivity and how it relates to a database environment