Oracle Database Administrator

HCLTech; Mexico; On-site; PHP 800,000 - 1,400,000; Full time

Job summary

HCLTech is seeking an experienced Oracle Database Administrator (L3) with deep expertise in migrations, upgrades, modernization initiatives, and large-scale production support. You will own end-to-end migration activities, including assessment, planning, execution, cutover, and post-migration validation.

The role requires strong experience managing mission-critical Oracle databases (11g–21c) with exposure to RAC, ASM, Data Guard, Exadata, cloud migrations, and automation frameworks.

Qualifications

• Experience managing mission-critical Oracle databases in enterprise environments.
• Strong experience with RAC, ASM, Data Guard, Exadata, Cloud migrations.
• End-to-end migration activities from assessment to post-migration validation.
• Ability to coordinate with application, infrastructure and business teams.

Responsibilities

• Manage and maintain Oracle production, UAT, DR, and development databases.
• Install, configure, patch, upgrade, and lifecycle manage Oracle databases.
• Administer RAC, ASM, Data Guard, RMAN, GoldenGate, and OEM environments.
• Ensure availability, reliability, performance, and security of databases.
• Support 24x7 critical database infrastructure.
• Lead end-to-end Oracle migrations across platforms and versions.
• Execute Oracle-to-Oracle upgrades (11g/12c to 19c/21c).
• Plan Linux-to-Linux, Unix-to-Linux, On-Prem to Cloud migrations.
• Conduct database consolidation and modernization initiatives.
• Lead migration assessments, dependency mapping, and cutover planning.
• Develop rollback strategies and contingency plans.
• Coordinate with application, infrastructure and business teams during migrations.

Skills

Oracle Database Administration

Oracle migrations

Oracle upgrades

Production support

Automation frameworks

Oracle RAC

Data Guard

RMAN

GoldenGate

OEM

Exadata

Cloud migrations

Tools

RMAN

GoldenGate

OEM

Data Guard

RAC

ASM

Exadata

Cloud migrations

Job description

We are seeking an experienced Oracle Database Administrator (L3) with extensive expertise in Oracle database migrations, upgrades, modernization initiatives, and large-scale production support. The candidate will own end-to-end migration activities, including assessment, planning, execution, cutover, post-migration validation, performance optimization, and disaster recovery readiness.

The ideal candidate should possess strong experience managing mission-critical Oracle databases (11g, 12c, 18c, 19c, 21c) in enterprise environments with exposure to RAC, ASM, Data Guard, Exadata, Cloud migrations, and automation frameworks.

Key Responsibilities

Oracle Database Administration

• Manage and maintain Oracle production, UAT, DR, and development databases.
• Perform installation, configuration, patching, upgrades, and lifecycle management.
• Administer Oracle RAC, ASM, Data Guard, RMAN, GoldenGate, and OEM.
• Ensure database availability, reliability, performance, and security.
• Support 24x7 critical database infrastructure.
• Lead end-to-end Oracle database migrations across platforms and versions.
• Execute Oracle-to-Oracle version upgrades (11g/12c to 19c/21c).
• Plan and execute Linux-to-Linux, Unix-to-Linux, On-Prem to Cloud migrations.
• Perform database consolidation and modernization initiatives.
• Lead migration assessments, dependency mapping, and cutover planning.
• Develop rollback strategies and contingency plans.
• Coordinate with application, infrastructure, and business teams during migration events