Senior Oracle Database Administrator / Information Technology Department

Bakı

Azercell

Vakansiyanın detalları

Vakansiyanın təsviri

  • Ensure high availability (HA), performance, and scalability of mission-critical Oracle and PostgreSQL database environments across the telecom infrastructure.
  • Administer, maintain, and enhance Oracle RAC, Oracle Active Data Guard, Exadata, and PostgreSQL HA (e.g., Patroni, streaming replication) systems.
  • Oversee the installation, configuration, and continual improvement of database software and supporting tools.
  • Design and implement physical storage structures and plan optimal capacity usage based on performance and growth forecasts.
  • Perform daily, weekly, and scheduled database maintenance, monitoring, and proactive planning.
  • Register and manage system users, including user roles and privileges based on access policies.
  • Lead database development projects, including schema implementation, object design, and deployment of new services into production.
  • Drive improvements in database quality, performance, and operational efficiency by tuning SQL, indexing strategies, and optimizing execution plans.
  • Develop, test, and maintain automation scripts for database maintenance, statistics gathering, health checks, and intelligent alerting.
  • Monitor and manage archiving processes to ensure data lifecycle compliance.
  • Ensure effective database backup and recovery strategies using RMAN for Oracle and pg_basebackup/WAL archiving for PostgreSQL.
  • Manage end-to-end support for Exadata: platform dimensioning, capacity management, issue resolution, upgrades, and coordination with vendor support.
  • Collaborate with technical vendors to resolve critical incidents, apply recommended patches, and execute configuration changes.
  • Participate in platform evaluations and infrastructure readiness for implementing new enterprise-level database solutions.
  • Perform reverse engineering of data models from SQL and live databases to support documentation and reengineering efforts.
  • Support data integrity and consistency across multiple interlinked systems and platforms.

Xüsusi tələblər

  • 5+ years of hands-on experience as a Senior DBA with deep expertise in Oracle (including Exadata) and PostgreSQL in enterprise or telecom environments.
  • Strong command of high availability architectures (Oracle RAC, Data Guard, PostgreSQL clustering solutions).
  • Proficient in SQL, PL/SQL, shell scripting (bash, Python), and automation of routine DBA tasks.
  • Experience managing large-scale database environments with strict uptime SLAs.
  • Expertise in backup and recovery processes, disaster recovery planning, and incident resolution.
  • Familiarity with monitoring tools (Oracle Enterprise Manager, Prometheus, Zabbix, Grafana, etc.) and performance tuning.
  • Solid understanding of storage systems, tablespace management, partitioning, and system dimensioning.
  • Ability to work collaboratively in a cross-functional team and communicate with vendors and stakeholders.
  • Fluent in reading and writing technical documentation in English.
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