Senior Oracle Database Administrator

Dicetek LLC; Abu Dhabi; On-site; AED 520,000 - 820,000; Full time

Job summary

Dicetek LLC seeks an experienced Oracle Database Administrator to lead management of mission-critical Oracle environments. The role focuses on administering Oracle databases, RAC, Data Guard, and RMAN, while driving performance tuning and automation.

The candidate will handle patching, upgrades, migrations, backups, and disaster recovery, with strong emphasis on availability and scalability. Collaboration with cross-functional teams during incidents and maintenance is essential.

Qualifications

• 10+ years of Oracle Database Administration experience in large enterprise production environments.
• Strong hands-on experience with Oracle RAC, Data Guard Broker, Flashback, RMAN, ASM and Oracle Enterprise Manager.
• Advanced performance tuning skills using AWR, ASH, ADDM, execution plans, and database wait-event analysis.
• Experience managing high-volume OLTP and large Data Warehouse databases.
• Strong understanding of Oracle architecture, internals, high availability and recovery concepts.
• Hands-on expertise in partitioning, indexing strategies, table maintenance, statistics and space management.
• Proven experience in Oracle patching, automation and technical root cause analysis.
• Ability to take end-to-end ownership and resolve issues independently with minimal supervision.

Responsibilities

• Administer and support Oracle databases, Oracle RAC, ASM, RMAN and Data Guard using Broker.
• Monitor, diagnose and tune database, SQL and system performance in high-volume OLTP and Data Warehouse environments.
• Independently troubleshoot complex production issues, restore service, identify root cause and implement preventive actions.
• Manage Flashback technologies, partitioning, indexes, tables, statistics and database maintenance activities.
• Perform database patching, upgrades, migrations, backup, recovery, and disaster recovery validation.
• Automate recurring DBA activities using Shell, SQL and PL/SQL scripting or relevant automation tools.
• Review database architecture and recommend improvements for availability, scalability, resilience, and performance.
• Collaborate with application, infrastructure, and engineering teams during incidents, changes, and planned maintenance.

Skills

Oracle DBA

Oracle RAC

Data Guard Broker

RMAN

ASM

Oracle Enterprise Manager

AWR

ASH

ADDM

Execution plans

Job description

• Seeking a highly experienced Oracle Database Administrator with 10+ years of hands‑on expertise in managing mission‑critical Oracle environments. The candidate must have strong database architecture knowledge, independent troubleshooting capability, and experience supporting high-volume OLTP and Data Warehouse platforms.

  KEY RESPONSIBILITIES

  • Administer and support Oracle databases, Oracle RAC, ASM, RMAN and Data Guard using Broker.

  • Monitor, diagnose and tune database, SQL and system performance in high-volume OLTP and Data Warehouse environments.

  • Independently troubleshoot complex production issues, restore service, identify root cause and implement preventive actions.

  • Manage Flashback technologies, partitioning, indexes, tables, statistics and database maintenance activities.

  • Perform database patching, upgrades, migrations, backup, recovery, and disaster recovery validation.

  • Automate recurring DBA activities using Shell, SQL and PL/SQL scripting or relevant automation tools.

  • Review database architecture and recommend improvements for availability, scalability, resilience, and performance.

  • Collaborate with application, infrastructure, and engineering teams during incidents, changes, and planned maintenance.

Desired Candidate Profile

• 10+ years of Oracle Database Administration experience in large enterprise production environments.

• Strong hands‑on experience with Oracle RAC, Data Guard Broker, Flashback, RMAN, ASM and Oracle Enterprise Manager.

• Advanced performance tuning skills using AWR, ASH, ADDM, execution plans, and database wait‑event analysis.

• Experience managing high-volume OLTP and large Data Warehouse databases.

• Strong understanding of Oracle architecture, internals, high availability and recovery concepts.

• Hands‑on expertise in partitioning, indexing strategies, table maintenance, statistics and space management.

• Proven experience in Oracle patching, automation and technical root cause analysis.

• Ability to take end‑to‑end ownership and resolve issues independently with minimal supervision.SkillsOracle Database AdministrationOracle RACPerformance Tuning