Senior Database Administrator:

QUALIFICATIONS AND JOB DESCRIPTION

We are seeking an experienced Senior Database Administrator / Cloud Database Engineer with strong expertise in Oracle, Microsoft SQL Server, PostgreSQL, MySQL, and Azure Cloud SQL environments.

The ideal candidate will have extensive experience managing high-availability database infrastructures, disaster recovery strategies, cloud migrations, and performance optimization across enterprise environments.

This role requires strong technical leadership, hands-on troubleshooting skills, and the ability to support mission-critical production systems in both on-premises and cloud platforms.

Working hours will be North America working hrs (+7 hrs ahead Istanbul time)

 

KEY RESPONSIBILITIES

• Install, configure, patch, upgrade, and maintain Oracle, SQL Server, PostgreSQL, MySQL, and Azure SQL environments.
• Design and manage high-availability architectures using Oracle RAC, ASM, Data Guard, Exadata, and SQL Server Always On.
• Implement and maintain disaster recovery, backup, and business continuity solutions using RMAN and cloud-native technologies.
• Monitor and optimize database performance through query tuning, system analysis, and infrastructure improvements.
• Manage Azure SQL Database, Managed Instances, and Cosmos DB environments, including security, backup, and recovery operations.
• Lead database migration and modernization projects using Oracle Data Pump, replication technologies, and cloud migration tools.
• Administer Oracle Enterprise Manager Cloud Control (OEM/EMCC) and SCOM monitoring platforms.
• Implement database security measures including Transparent Data Encryption (TDE), access management, and compliance controls.
• Support developers and application teams with database integration, troubleshooting, and performance optimization.
• Develop automation scripts and operational procedures to improve efficiency and reduce downtime.
• Conduct regular disaster recovery testing and validate failover procedures.
• Maintain technical documentation, operational standards, and knowledge base materials.
• Provide 24x7 operational support for critical production environments when required.

 

REQUIRED QUALIFICATIONS

• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 5+ years of hands-on database administration experience in enterprise environments.
• Fluent in English
• Strong expertise in:
• Oracle Administration
• Microsoft SQL Server
• PostgreSQL and MySQL
• Experience with:
• Oracle RAC, ASM, Data Guard, and Exadata
• SQL Server Always On Clustering
• RMAN backup and recovery
• Oracle Enterprise Manager Cloud Control (OEM/EMCC)
• Database migrations and cloud modernization projects
• Strong understanding of:
• High availability and disaster recovery architectures
• Performance tuning and query optimization
• Database security, encryption, and access management
• IT infrastructure troubleshooting and systems analysis
• Experience supporting mission-critical production environments.
• Excellent communication, documentation, and leadership skills.

 

PREFERRED CERTIFICATIONS

• Oracle Certified Professional (OCP)
• Oracle Autonomous Database Cloud Certified Specialist
• Oracle Cloud Infrastructure Foundations Certified Associate
• Microsoft Certified: Azure Database Administrator Associate

 

PREFERRED SKILLS

• Azure cloud infrastructure and PaaS services
• Scripting and automation
• Middleware integration and database connectivity
• Cross-platform database migration experience