# Junior Oracle Database Administrator (DBA)

**Company:** [PLANET S.A.](http://jobs.workable.com/companies/ay7Fq7mnoxfcfKkEufYsRx.md)
**Location:** Marousi, Greece
**Workplace:** hybrid
**Employment type:** Full-time
**Department:** ΙNFRACORE

[Apply for this job](http://jobs.workable.com/view/b7b955e4-d20d-4824-88e5-1edbb5459841)

## 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