Infra Support Engineer: PostgreSQL & Middleware Platforms

CLPS Technology (Hong Kong) Co., Limited; Hong Kong Island; On-site; HKD 900,000 - 1,200,000; Full time

Job summary

CLPS Inc in Hong Kong is seeking an Infra Support Engineer with a focus on database and middleware platforms to sustain PostgreSQL environments and enterprise middleware like WebSphere, MQ, Tomcat, NGINX, and IIS.

You will administer databases, implement PITR and RBAC, and migrate legacy systems with minimal downtime, while tuning performance and maintaining automation scripts and documentation.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Minimum 5 years of experience as a production Database Administrator or Middleware Engineer in an enterprise environment.
• Strong hands-on experience administrating PostgreSQL databases with enterprise web/message queuing middleware (WAS, MQ, or NGINX).
• Certifications in Database Administration (e.g., PostgreSQL Certified Engineer, Oracle OCA/OCP) or relevant Middleware platforms are a distinct advantage.
• ITIL Foundation certification is preferred.

Responsibilities

• Administer, monitor, and tune transactional databases, focusing on PostgreSQL and legacy Oracle/DB2.
• Assist in legacy database migration initiatives, ensuring minimal downtime and post-migration validation checks against core banking metrics.
• Support installation, configuration, patching, and tuning of enterprise middleware applications (WebSphere, MQ, Tomcat, NGINX, or IIS) and manage high-availability clustering.
• Investigate and resolve performance bottlenecks between application tiers, middleware web servers, and the database back-end.
• Author and refine database maintenance scripts (SQL, PL/pgSQL, shell) to automate cleanups, indexing, and health checks.
• Maintain accurate technical documentation, including schema architectures, recovery playbooks, and middleware configuration baselines.

Skills

PostgreSQL administration

Enterprise middleware

RBAC & PITR

ITIL knowledge

Legacy Oracle/DB2

Education

Bachelor's in Computer Science/IT

Tools

WebSphere

MQ

Tomcat

NGINX

IIS

Job description

CLPS Inc in Hong Kong is seeking an Infra Support Engineer with a focus on database and middleware platforms to sustain PostgreSQL environments and enterprise middleware like WebSphere, MQ, Tomcat, NGINX, and IIS.

You will administer databases, implement PITR and RBAC, and migrate legacy systems with minimal downtime, while tuning performance and maintaining automation scripts and documentation.