Oracle Database Administrator L3

AVATAR TECHNO SERVICES PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading IT consulting and solution provider in Singapore seeks an Oracle Database Administrator L3. The role includes managing Oracle databases, ensuring high availability, automating tasks, and providing L3 support. Ideal candidates will have substantial DBA experience and strong communication skills, contributing to a collaborative environment in a dynamic industry.

Qualifications

• 6 years of hands-on Oracle DBA experience with at least 3 years in a senior/L3 role.
• Expertise in Oracle, ASM, RMAN, Data Guard, GoldenGate.
• Excellent communication skills and ability to work in a high-pressure environment.

Responsibilities

• Manage and administer Oracle databases in production and development environments.
• Perform advanced database performance tuning and query optimization.
• Automate routine database tasks using PL/SQL, Shell scripting, or Ansible.

Skills

Performance tuning

Oracle internals

Troubleshooting tools

Scripting (Shell, Python)

Communication skills

Education

Bachelor's degree in Computer Science

Tools

Oracle

RMAN

Data Guard

GoldenGate

OCI

AWS RDS for Oracle

Azure Database for Oracle

Job description

Position: Oracle Database Administrator L3

Company: AVATAR TECHNO SERVICES PTE. LTD.

Location: TUNG ANN ASSOCIATION BUILDING, 141 CECIL STREET 069541

Type: Permanent

Level: Senior Executive

Experience: 6 years

Industry: Information Technology

Salary: $10,000 to $12,000 Monthly

Posted: 15 May 2025

Closing Date: 14 Jun 2025

Job Responsibilities

1. Manage and administer Oracle databases (versions 12c, 19c, and newer) in production and development environments.
2. Perform advanced database performance tuning, query optimization, and index management.
3. Design and implement high availability (HA), disaster recovery (DR), and backup strategies (RMAN, Data Guard).
4. Automate routine database tasks using PL/SQL, Shell scripting, or Ansible.
5. Apply patches, perform upgrades/migrations (on-prem and cloud), and manage version control.
6. Implement and enforce database security, roles, and user access controls.
7. Monitor database health and proactively identify and resolve potential issues.
8. Provide L3 support for escalated incidents and lead root cause analysis.
9. Collaborate with development, infrastructure, and DevOps teams to support application and system integration.
10. Participate in on-call rotation and support weekend deployments when necessary.
11. Document architecture, configurations, and procedures for audit and knowledge transfer.

Minimum Requirements

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 6 years of hands-on Oracle DBA experience with at least 3 years in a senior/L3 role.
• Expertise in Oracle, ASM, RMAN, Data Guard, and GoldenGate.
• Strong knowledge of Oracle internals, performance diagnostics (AWR, ASH, TKPROF), and troubleshooting tools.
• Experience with cloud platforms (OCI, AWS RDS for Oracle, or Azure Database for Oracle).
• Familiarity with ITIL processes and incident/change/problem management.
• Scripting experience (Shell, Python, or similar) for automation and monitoring.
• Excellent communication skills and ability to work in a high-pressure environment.

Company Overview

Avatar Techno Services Pte Ltd. is a Consulting and Solution Provider company in the Information Technology Industry, specialized in providing sound, secure, and cost-effective IT solutions to Small & Medium enterprises, empowering their growth.

Incorporated in 2019, initially under ILC Pte Ltd., providing IT consulting services in Singapore and overseas.

We have grown from a mono-service operation to a team of dedicated professionals, with a reputation for excellent service, integrity, thought leadership, and commitment to excellence in IT.

Our goal is to build long-lasting relationships with clients, ensuring satisfaction and becoming a preferred partner in the industry.

We offer consulting, integration, and implementation services, leveraging industry experience and expertise to help clients deploy IT solutions, maximize functionality, and achieve rapid ROI.