Oracle Senior DBA: High-Availability & Cloud Ops

Leidos; City of Melbourne; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible work options

Mental wellbeing programs

Large learning library

Impactful projects

Career development

Job summary

Leidos Australia seeks an Oracle Senior Database Administrator to design and maintain enterprise Oracle database environments spanning on‑premises, cloud, and hybrid platforms.

You will collaborate with architecture, infrastructure, operations and security teams to ensure secure, resilient and scalable database services that support critical business applications. NV-1 security clearance is required.

Qualifications

• Extensive experience in Oracle Database administration, architecture, and engineering within enterprise environments.
• Experience with Oracle RAC, Oracle Data Guard, RMAN backup and recovery, and the design of highly available and resilient database platforms.
• Advanced capability in SQL and PL/SQL development, database performance tuning, workload optimisation, indexing, partitioning, and capacity management.
• Knowledge of Oracle database security, including authentication, authorisation, encryption, auditing, privileged-access controls, and data protection practices.
• Experience supporting database upgrades, migrations, patching, lifecycle management, and modernisation initiatives.
• Capability in Linux/Unix environments and database automation using scripting technologies such as Shell, SQL, PL/SQL, Python, or similar tools.
• Ability to collaborate with technical and non-technical stakeholders and translate business requirements into secure, scalable database solutions.
• Experience providing technical guidance, mentoring, and leadership to database administrators, engineers, or technical teams.

Responsibilities

• Lead the design, administration, and continuous improvement of enterprise Oracle database environments, including high availability, disaster recovery, performance optimisation, and capacity planning.
• Partner with enterprise architects, infrastructure engineers, application teams, and cybersecurity stakeholders to deliver secure, reliable, and high-performing database solutions across on-premises, cloud, and hybrid platforms.
• Drive database transformation initiatives including migrations, upgrades, platform modernisation, cloud adoption, automation, and operational optimisation programs.
• Provide technical leadership and mentoring across the database capability, establishing engineering standards, guiding architectural decisions, and identifying opportunities to improve resilience, security, efficiency, and platform performance.

Skills

Oracle Database

Oracle RAC

Oracle Data Guard

RMAN

SQL/PLSQL

Performance Tuning

Linux/Unix

Scripting

Security

Leadership

Mentoring

Education

Bachelor's degree in IT/CS

Tools

OCI

Exadata

OCI Cloud

Job description

Leidos Australia seeks an Oracle Senior Database Administrator to design and maintain enterprise Oracle database environments spanning on‑premises, cloud, and hybrid platforms.

You will collaborate with architecture, infrastructure, operations and security teams to ensure secure, resilient and scalable database services that support critical business applications. NV-1 security clearance is required.