Oracle Database / Linux Administrator Core Banking & Enterprise Systems

Oracle Database administration

• Installation, configuration, upgrade, and maintenance of Oracle Database software
• Ensuring high availability and performance of critical databases
• Administration of Oracle RAC, Data Guard, ASM, RMAN
• Performing regular backups, restores, and disaster recovery tests
• Database performance tuning, capacity planning, and health monitoring
• Applying PSU / RU patches, managing Oracle lifecycle and EOL processes
• Implementing database security controls, user management, and audit compliance
• Incident troubleshooting, root cause analysis, and problem resolution
• Supporting regulatory and internal audits (including MNB-related requirements)
   

Linux system administration

• Administration of Linux servers (Red Hat / Oracle Linux) supporting Oracle databases
• Managing filesystem, storage mounts, permissions, services, and cron jobs
• OS-level performance monitoring and troubleshooting
• Applying OS patches and security updates in line with banking standards
• Supporting HO–DR (Head Office – Disaster Recovery) environments and DR exercises
• Automation of routine tasks using shell scripting
• Virtualization experience, especially VMware (vSphere / ESXi)
   

Collaboration

• Close cooperation with IT Operations, Application (e.g. WebLogic), Network, and Security teams
• Supporting critical banking applications from both DB and OS perspectives
• Maintaining technical documentation and operational procedures

• Strong hands-on experience with Oracle Database administration
• In-depth knowledge of Oracle RAC, Data Guard, ASM, RMAN
• Solid Linux system administration skills (Red Hat / Oracle Linux)
• Experience with enterprise monitoring tools (e.g. Oracle Enterprise Manager)
• Understanding of networking fundamentals (TCP/IP, DNS, routing concepts)
• Experience working in regulated / high-availability environments (banking or financial sector preferred)
• Strong analytical, troubleshooting, and problem-solving skills
• Ability to work independently and take ownership of systems
• Good communication skills and teamwork mindset

• Experience with Oracle WebLogic environments
• Familiarity with automation or configuration management tools
• Knowledge of security hardening and compliance frameworks

• Long-term, stable position in a banking IT environment
• Work on mission-critical, high-availability systems
• Professional development and training opportunities
• Competitive compensation and benefits
• Supportive, expert-level IT Operations team

We are looking for an experienced Oracle Database / Linux Administrator to join our IT Operations team and support the high-availability operation of critical banking systems.

The role combines Oracle database administration with Linux operating system responsibilities, supporting core banking, digital banking, and other mission-critical applications in a regulated banking environment.