Enter a job title or keyword

Application DBA

Nexus Corporation

Job Location:

Tokyo - Japan

Salary: Not provided by the employer

Experience Required: 10-11years

Posted: 4 September 2026 (16 hours ago)

Application Deadline: 2 December 2026

Vacancies: 1 Vacancy

Job Summary

We are seeking a highly skilled Oracle Applications Database Administrator (Apps DBA) to join our technology this role you will be responsible for the installation configuration upgrading administration and monitoring of our enterprise Oracle E-Business Suite (EBS) environments and underlying Oracle databases. You will ensure maximum uptime optimal performance and robust security across our production test and development ecosystems.

Key Responsibilities:

Track all the work clients have in this space working with partner teams
Environment Management: Install configure upgrade and maintain Oracle E-Business Suite (R12.2) and Oracle Databases (19c/21c).
Patching & Maintenance: Plan and execute application patching using ADOP (Online Patching) and database patching (RU/RUR).
Cloning Operations: Perform regular cloning of production environments to test and development instances.
Performance Tuning: Monitor and optimize database performance SQL queries concurrent managers and WebLogic middle-tier services.
Backup & Recovery: Maintain comprehensive backup and recovery procedures using Oracle RMAN and validate disaster recovery (DR) readiness.
High Availability: Manage and troubleshoot Oracle Real Application Clusters (RAC) Data Guard and Automatic Storage Management (ASM).
Security & Compliance: Implement database security standards manage user access and apply critical security patches (CPU/PSU).
Support & Collaboration: Interface with Oracle Support to resolve complex Service Requests (SRs) and collaborate with development teams on object deployment.

Requirements

What we are looking for:

Minimum of 10 years of hands-on experience as an Oracle Apps DBA managing large-scale production environments.
Education qualification: Any degree from a reputed college
Oracle Architecture: Deep understanding of Oracle EBS 3-tier architecture and Oracle Database internals.
Hands-on experience in relational databases preferably in Oracle
Advanced command of SQL alongside database-specific procedural extensions (e.g. PL/SQL).
Experience in deploying and optimizing managed cloud databases
Middleware Tools: Proven experience with Oracle WebLogic Server administration OHS and Forms/Reports services.
Operating Systems: Strong command of Linux/Unix environments shell scripting (Bash/Ksh) and system utilities.
Utilities: Proficiency with adadmin adpatch admerge autoconfig and Oracle Enterprise Manager (OEM) Cloud Control.
Communication Skills: Excellent written and verbal communication skills to effectively communicate with stakeholders.
Experience in GCP DB technologies is preferred. Any awareness of other Cloud DB technologies will be a plus
Japanese language preferred not essential.

Required Skills:

Key Responsibilities:

Track all the work clients have in this space working with partner teams
Environment Management: Install configure upgrade and maintain Oracle E-Business Suite (R12.2) and Oracle Databases (19c/21c).
Patching & Maintenance: Plan and execute application patching using ADOP (Online Patching) and database patching (RU/RUR).
Cloning Operations: Perform regular cloning of production environments to test and development instances.
Performance Tuning: Monitor and optimize database performance SQL queries concurrent managers and WebLogic middle-tier services.
Backup & Recovery: Maintain comprehensive backup and recovery procedures using Oracle RMAN and validate disaster recovery (DR) readiness.
High Availability: Manage and troubleshoot Oracle Real Application Clusters (RAC) Data Guard and Automatic Storage Management (ASM).
Security & Compliance: Implement database security standards manage user access and apply critical security patches (CPU/PSU).
Support & Collaboration: Interface with Oracle Support to resolve complex Service Requests (SRs) and collaborate with development teams on object deployment.

Requirements

What we are looking for:

Minimum of 10 years of hands-on experience as an Oracle Apps DBA managing large-scale production environments.
Education qualification: Any degree from a reputed college
Oracle Architecture: Deep understanding of Oracle EBS 3-tier architecture and Oracle Database internals.
Hands-on experience in relational databases preferably in Oracle
Advanced command of SQL alongside database-specific procedural extensions (e.g. PL/SQL).
Experience in deploying and optimizing managed cloud databases
Middleware Tools: Proven experience with Oracle WebLogic Server administration OHS and Forms/Reports services.
Operating Systems: Strong command of Linux/Unix environments shell scripting (Bash/Ksh) and system utilities.
Utilities: Proficiency with adadmin adpatch admerge autoconfig and Oracle Enterprise Manager (OEM) Cloud Control.
Communication Skills: Excellent written and verbal communication skills to effectively communicate with stakeholders.
Experience in GCP DB technologies is preferred. Any awareness of other Cloud DB technologies will be a plus
Japanese language preferred not essential.