Senior Oracle Database Administrator (DBA)

PLANET S.A.

Marousi, Attica, Greece Hybrid permanent

Posted: January 2, 2026

Job Description

InfraCore, a subsidiary of PLANET, is a forward-thinking infrastructure technology firm specializing in intelligent transportation systems and tolling innovation. Our mission is to design and deliver integrated systems that shape the future of mobility. As we expand our capabilities, we are seeking a Senior Oracle Database Administrator (DBA) to manage, maintain, and optimize mission-critical Oracle database environments. The role focuses on advanced database administration, performance, resilience, and close collaboration with infrastructure and application teams, particularly in disaster recovery (DR) operations.

Responsibilities

• Administer, maintain, and support Oracle databases in production and non-production environments
• Manage database archiving, partitioning, backup, recovery, and retention strategies
• Monitor and optimize database performance, capacity, and availability
• Implement and maintain high availability and disaster recovery (DR) configurations
• Participate in DR switchover and failback activities with cross-functional teams
• Ensure database security, patching, upgrades, and compliance with InfraCore standards
• Troubleshoot complex database issues and perform root-cause analysis
• Support releases and deployments with development and DevOps teams
• Maintain technical documentation and operational runbooks
• Proactively identify risks and recommend improvements

Requirements:
• Minimum 7 years of progressively responsible experience in Oracle database administration, with demonstrated senior-level ownership
• Strong expertise in Oracle administration, archiving, partitioning, backup and recovery
• Hands-on experience with disaster recovery and switchover operations
• Strong collaboration and communication skills
• Ability to operate in high-availability, mission-critical environments

Nice to Have

• Database development experience (SQL, PL/SQL)

• Scripting or automation experience

• Experience in regulated or critical infrastructure environments

• Oracle certifications

Benefits:
What We Offer

• A key leadership role in a growing technology-driven company
• Competitive salary and benefits
• Hybrid work environment with flexibility
• Collaborative and innovative team culture

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