Senior DBA - PostgreSQL & MySQL Reliability Lead

Don Nelson Recruitment Limited; Hong Kong; On-site; HKD 480,000 - 720,000; Full time

Job summary

Don Nelson Technology Limited in Hong Kong is seeking an experienced Database Administrator (DBA) to manage enterprise PostgreSQL and MySQL environments, ensuring availability, security, and performance while collaborating with application teams and vendors.

The role requires hands-on installation, upgrades, migrations, patching, backup/recovery, automation, and on-call support across development to production.

Qualifications

• 5–7 years of database administration experience.
• Hands-on PostgreSQL and/or MySQL administration experience.
• Strong expertise in installation, upgrades, migrations, patching, and maintenance.
• Experience with capacity planning and performance troubleshooting.
• Proficiency in Linux administration and shell scripting.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Provide PostgreSQL and MySQL database administration support for applications and business teams.
• Maintain database integrity, availability, security, and performance.
• Monitor health, analyze performance issues, and implement optimizations.
• Perform backups, recoveries, and disaster recovery procedures.
• Develop automation, monitoring, and alerting to minimize downtime.
• Collaborate with infrastructure and vendor teams to ensure stable services.
• Participate in on‑call rotations for 24x7 production support.

Skills

PostgreSQL

MySQL

Linux

Shell scripting

Performance tuning

High availability

Problem solving

Communication

Education

Bachelor's degree in CS/IS

Tools

Microsoft SQL Server

Oracle DB

Job description

Don Nelson Technology Limited in Hong Kong is seeking an experienced Database Administrator (DBA) to manage enterprise PostgreSQL and MySQL environments, ensuring availability, security, and performance while collaborating with application teams and vendors.

The role requires hands-on installation, upgrades, migrations, patching, backup/recovery, automation, and on-call support across development to production.