Infra Support Engineer(Database & 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

Infra Support Engineer(Database & Middleware Platforms)

Responsibilities
Database Administration & Protection

• Provide day-to-day administration, monitoring, and tuning of transactional database environments, focusing on centralized PostgreSQL platforms and legacy architectures (Oracle/DB2).
• Execute data protection strategies, including configuring Point-In-Time Recovery (PITR), managing role-based access controls (RBAC), and securing database audit trails.
• Assist in legacy database migration initiatives, ensuring minimal downtime and post-migration validation checks against core banking metrics.

Middleware Lifecycle Management

• Support the installation, configuration, patching, and tuning of enterprise middleware applications (WebSphere, MQ, Tomcat, NGINX, or IIS).
• Manage high-availability middleware clustering, traffic routing, load-balancer integration, and SSL/TLS certificate updates.
• Investigate and resolve performance bottlenecks occurring between application tiers, middleware web servers, and the database back-end.

BAU Operations & Project Support

• Participate in application stack upgrades, database engine major version bumps, and application migration project workstreams.
• Author and refine database maintenance scripts (SQL, PL/pgSQL, shell) to automate routine cleanups, indexing, and health checks.
• Maintain accurate technical documentation, including schema architectures, database recovery playbooks, and middleware configuration baselines.

Required Qualifications & Experience

• 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 database engines along 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.

Information Technology Services 101-1,000 employees

Global IT services

CLPS Inc is a global fintech leader operating from our international offices, with a diverse workforce of over 3000+ to ensure the development, implementation, and support of our platform which is used by banks, insurance, asset managers, corporations, and utilities, across the world. Fintech is changing global business landscapes which allows challenging possibilities for us all. Join CLPS and work on the challenges of an industry at the forefront of innovation and thrive in a people-centric environment. We are committed to the development of young talents who will be part of one global team where you can join our prestigious clients as creative think tanks.