Senior Oracle Database Administrator

Performance Technologies

Athens, Attica, Greece Hybrid permanent

Posted: January 28, 2026

Required Skills

Job Description

We are seeking an experienced Senior Oracle Database Administrator to join our core technical team. The role involves designing, managing, and optimizing complex Oracle environments, with a strong focus on High Availability architectures and Oracle RAC. You will ensure our systems are secure, scalable, high-performing, and continuously available to support business needs.

Responsibilities

• Design, implement, and maintain multi-node Oracle RAC environments, ensuring maximum uptime and seamless load balancing.
• Manage Oracle Grid Infrastructure, ASM, and storage components, ensuring optimal configuration and performance.
• Proactively monitor database performance, identifying bottlenecks and optimizing SQL queries and system parameters.
• Ensure data security through rigorous access controls, security policies, and encryption (TDE), maintaining overall data integrity.
• Plan and implement reliable backup, recovery, and disaster recovery solutions (RMAN, Data Guard), ensuring business continuity.
• Resolve complex database issues in a timely manner, providing 2nd/3rd level support for critical incidents.
• Partner with technical teams to provide guidance on database best practices and support evolving business needs.

Requirements:
• Bachelor’s degree in Computer Engineering, Computer Science, or a related field.
• Proven experience as an Oracle DBA in a senior role, with deep knowledge of versions 12c through 19c.
• Hands-on mastery of Oracle RAC, ASM, Data Guard, and RMAN backup/recovery procedures.
• Strong communication skills in English (written and verbal).
• Analytical mindset with the ability to handle pressure in mission-critical environments.
• Proven expertise in Oracle Engineered Systems (Exadata / Cloud@Customer) will be considered a significant asset.
• Oracle Certified Professional (OCP) or similar advanced certifications.

We will offer you a friendly and dynamic working environment, in which you can develop your skills and competencies and a workplace with a strong focus on values and work-life balance.

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.