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.