Database Administrator

Koçtaş; Çekmeköy; On-site; TRY 150,000 - 300,000; Full time

Job summary

A leading company in home improvement retailing is seeking a Database Administrator for their R&D - IT Team. The role involves managing various database systems, ensuring high availability, and implementing security protocols. Candidates should have a Bachelor's degree in Computer Engineering, with a minimum of 5 years of experience in database administration and a strong analytical skill set.

Qualifications

• Minimum 5 years of experience in database administration.
• Advanced knowledge of SQL Server, PostgreSQL, and Oracle.
• Experience in high availability, replication, and clustering.

Responsibilities

• Install, configure, and manage SQL Server, PostgreSQL, and Oracle databases.
• Monitor database performance and conduct tuning and capacity planning.
• Develop automation scripts and scheduled jobs.

Skills

Analytical skills

Problem-solving

Team-oriented mindset

Database design principles

Database performance optimization

Communication skills

Education

Bachelor’s degree in Computer Engineering or a related field

Tools

SQL Server

PostgreSQL

Oracle

PowerShell

Bash

Amazon RDS

Azure SQL Database

Google Cloud SQL

Git

Job description

Koçtaş is Kingfisher / B & Q partnership with Koç Holding, Europe's leading company in home improvement retailing. Koçtaş is rapidly growing with world-class retailing practices and looking for “Database Administrator " to at the R&D - IT Team.

What We Expect From You?

• Install, configure, and manage SQL Server, PostgreSQL, and/or Oracle databases
• Implement and maintain backup, recovery, and disaster recovery strategies
• Monitor database performance and conduct tuning and capacity planning
• Enforce database security policies and compliance standards
• Collaborate with application teams to support database needs
• Develop automation scripts and scheduled jobs
• Provide operational support and troubleshoot database issues
• Design and implement database structures and schemas that support business requirements.
• Support database deployments and schema changes in coordination with engineers responsible for development and DevOps.
• Automate routine tasks through scripting and modern tools.
• Ensure high availability and disaster recovery of database systems.
• Develop and enforce database security policies, access controls, and compliance standards.
• Create and maintain documentation related to architecture, processes, and procedures.
• Troubleshoot database issues quickly and effectively and provide on-call support as needed.

Why You?

• Bachelor’s degree in Computer Engineering or a related field
• Minimum 5 years of experience in database administration
• Advanced knowledge of SQL Server, PostgreSQL, and/or Oracle
• Experience with high availability (HA), AlwaysOn, replication, and clustering
• Proficiency in scripting languages such as PowerShell or Bash
• Experience with cloud databases (e.g., Amazon RDS, Azure SQL Database, Google Cloud SQL).
• Strong analytical and problem-solving skills, team-oriented mindset
• Solid understanding of database design principles, indexing strategies, and normalization/denormalization.
• Understanding of data security, compliance, and regulatory requirements.
• Experience with database monitoring, profiling, and diagnostic tools (e.g., SQL Server Profiler, Extended Events, Query Store, pg_stat_statements, pgBadger, pg_stat_monitor, New Relic, Zabbix).
• Experience with backup/recovery tools and strategies (e.g., SQL Server Maintenance Plans, pgBackRest, native pg_dump/pg_restore, SQL Server Management Studio (SSMS), cloud-native backups on AWS/Azure).
• Proficient in database scripting, automation, and performance optimization using tools like T-SQL, PL/pgSQL, SQLCMD, psql, PowerShell, cron jobs, and pgTune.
• Familiarity with scripting languages (e.g., PowerShell, Bash, Python) and version control (e.g., Git, GitLab, GitHub) for managing database scripts and deployment workflows.
• Excellent analytical, problem-solving, and communication skills.
• Knowledge of NoSQL databases (e.g., MongoDB, Cassandra) is a plus.
• Experience with DevOps tools and CI/CD pipelines for database changes.
• Relevant certifications (e.g., Microsoft Certified DBA, AWS Certified Database Specialty).