# Junior Oracle Database Administrator (DBA)

> PLANET S.A. · Marousi, Greece (Hybrid) · Full-time · Posted 2026-06-23

**Salary:** EUR 40,000–45,000

**Workplace:** hybrid

**Department:** ΙNFRACORE

## Description

**InfraCore**, a subsidiary of PLANET, is seeking a motivated Junior Oracle Database Administrator to support the management, maintenance, and monitoring of mission-critical Oracle database environments. Working under the guidance of senior DBAs, the role focuses on building hands-on database administration skills, supporting day-to-day operations, and collaborating with infrastructure and application teams, including assisting with disaster recovery (DR) activities.

**Responsibilities**

-   Assist in administering, maintaining, and supporting Oracle databases in production and non-production environments
-   Support routine database archiving, partitioning, backup, recovery, and retention tasks under guidance
-   Monitor database performance, capacity, and availability, and escalate issues as needed
-   Assist in maintaining high availability and disaster recovery (DR) configurations
-   Support DR switchover and failback activities alongside cross-functional teams
-   Help apply database security measures, patching, and upgrades in line with InfraCore standards
-   Help troubleshoot routine database issues and contribute to root-cause analysis under supervision
-   Support releases and deployments with development and DevOps teams
-   Help maintain and update technical documentation and operational runbooks
-   Learn to identify potential risks and raise them with senior team members

## Requirements

-   1–3 years of experience in Oracle database administration, including internships, academic projects, or relevant coursework
-   Foundational knowledge of Oracle administration concepts such as archiving, partitioning, backup and recovery
-   Awareness of disaster recovery and high-availability concepts, with a willingness to develop hands-on skills
-   Good collaboration and communication skills, with a strong willingness to learn
-   Interest in working within high-availability, mission-critical environments under guidance

**Nice to Have**

• Degree in Computer Science, Information Systems, or a related field

• Database development experience (SQL, PL/SQL)

• Scripting or automation experience

• Experience in regulated or critical infrastructure environments

• Oracle certifications

## Apply

[Apply at PLANET S.A.](https://apply.workable.com/planet-sa-1/j/6E71DEB088/apply)

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