Oracle Platform Operations & Patching Engineer

Cognizant; Singapore; On-site; SGD 100,000 - 170,000; Full time

Job summary

Cognizant is seeking an experienced Oracle Platform Operations & Patching Engineer to provide Day 2 operational support, patch management, and platform maintenance for enterprise Oracle environments. The role covers patching CPUs, managing Oracle middleware and databases, and ensuring stability across development, testing, and production systems, with after-hours maintenance as needed.

You will perform CPU assessments, deployment, validation, and post-patch stabilization, coordinate with Oracle

Qualifications

• Hands-on Oracle administration in enterprise environments.
• Experience with Oracle patching and security updates.
• Knowledge of middleware, database, and governance processes.

Responsibilities

• Perform Oracle CPU assessments, planning, deployment, validation and post-patch stabilization.
• Support Oracle Middleware: OHS, WebLogic, ADF, Forms & Reports.
• Support Oracle Database, including Data Guard configurations.
• Manage OEM patching and operations.
• Develop patching schedules, rollback procedures, and validation activities.
• Execute patch deployments and ensure service availability during maintenance.
• Perform post-patch health checks, troubleshooting, and stabilization.
• Support vulnerability remediation and security hardening initiatives.
• Coordinate with Oracle Support for issue investigation and resolution.
• Maintain patch documentation and implementation records.
• Participate in after-hours and weekend maintenance when required.

Skills

WebLogic Server

HTTP Server

Forms & Reports

Oracle DB 19c+

Data Guard

OEM

CPU patching

Vulnerability remediation

Backup & recovery

Change management

Incident management

Job description

Oracle Platform Operations & Patching Engineer

Role Overview

We are seeking an experienced Oracle Platform Operations & Patching Engineer to provide Day 2 operational support, patch management, and platform maintenance for enterprise Oracle environments. The role involves managing Oracle security patching activities, supporting middleware and database platforms, vulnerability remediation, and ensuring platform stability across development, testing, and production environments.

Key Responsibilities

• Perform Oracle Critical Patch Update (CPU) assessments, planning, deployment, validation, and post-patch stabilization.
• Support Oracle Middleware technologies including:
  • Oracle HTTP Server (OHS)
  • Oracle WebLogic Server
  • Oracle Application Development Framework (ADF)
  • Oracle Forms and Reports
• Support Oracle Database environments, including Data Guard configurations.
• Manage Oracle Enterprise Manager (OEM) patching and operations.
• Conduct compatibility, dependency, and risk assessments prior to patch implementation.
• Develop patching schedules, implementation plans, rollback procedures, and validation activities.
• Execute patch deployments and ensure service availability during maintenance activities.
• Perform post-patch health checks, troubleshooting, and stabilization support.
• Support vulnerability assessment remediation and security hardening initiatives.
• Coordinate with Oracle Support for issue investigation and resolution.
• Maintain patching documentation, operational procedures, and implementation records.
• Participate in after-hours and weekend maintenance activities when required.

Required Skills & Experience

• Minimum 3 years of hands-on experience administering Oracle environments.
• Strong experience with:
  • Oracle WebLogic Server
  • Oracle HTTP Server
  • Oracle Forms and Reports
  • Oracle Database 19c or higher
  • Oracle Data Guard
  • Oracle Enterprise Manager (OEM)
• Experience performing Oracle CPU and security patching activities.
• Strong understanding of backup, recovery, rollback, and disaster recovery procedures.
• Experience supporting production-critical enterprise systems.
• Knowledge of change management, release management, and operational governance processes.
• Strong troubleshooting and incident management skills.

Preferred Qualifications

• Oracle certifications are advantageous.
• Experience working in regulated or large enterprise environments.
• Familiarity with vulnerability management and security remediation practices.
• Experience managing Oracle Service Requests (SRs) and vendor support engagements.