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Database Administrator (Oracle/PostgreSQL)
  • Warsaw
Database Administrator (Oracle/PostgreSQL)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Arche Consulting Sp z o.o.
27. 7. 2025
Informacje o stanowisku

technologies-expected :


  • Oracle
  • PostgreSQL
  • Linux
  • Prometheus
  • Grafana

technologies-optional :


  • GoldenGate

responsibilities :


  • administer, maintain, and optimize PostgreSQL and Oracle database systems, including Oracle RAC,
  • design, implement, and troubleshoot logical and physical replication in PostgreSQL, including streaming and logical replication methods,
  • ensure database performance, availability, and security across production and non-production environments,
  • monitor and improve system performance using tools such as Prometheus, Grafana, and PostgreSQL monitoring endpoints,
  • perform query tuning, indexing, schema management, and implement performance optimization strategies,
  • manage database backup and recovery, security controls, and access policies,
  • collaborate with application teams to support multi-tiered application architectures and ensure seamless database integration,
  • leverage strong UNIX/Linux skills to manage database operations and understand the interaction with network and storage layers,
  • document database configurations, procedures, and system changes.

requirements-expected :


  • 6–8 years of hands-on DBA experience with PostgreSQL and Oracle, including Oracle RAC,
  • 2–4 years of experience with PostgreSQL logical and physical replication,
  • strong understanding of PostgreSQL and Oracle database architecture and internals,
  • in-depth knowledge of database security and compliance practices,
  • proven expertise in troubleshooting, performance tuning, and query optimization,
  • experience with Prometheus and Grafana for database monitoring and alerting,
  • solid UNIX/Linux platform experience and good understanding of networks, storage systems, and application tiers,
  • experience with Oracle GoldenGate is a plus,
  • very good knowledge of English.

offered :


  • contract of employment,
  • extensive benefits package - Multisport Card, Lux Med medical healthcare including dental care, life insurance, cafeteria benefits,
  • hybrid working model,
  • training and continuous learning and certification opportunities.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • integration events

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