DBA / Database Administrator (MSSQL/ PostgreSQL/Oracle)

Employer · Gammaorg Zrt.

System administratorFlexibleFull-time

Budapest

Due to expansion, we are looking for a Database Administrator to join our partner's team in Budapest in a hybrid work arrangement (with 2 days in the office per week) under an employment contract, preferably with experience in MSSQL and PostgreSQL, and a willingness to learn Oracle. You would be working from a service provider perspective for clients serving critical infrastructure.

Tasks

  • Daily operation and monitoring of Oracle, Microsoft SQL Server, and PostgreSQL databases on Linux and Windows Server platforms
  • Backup verification, execution of restoration tasks, and testing
  • User and permission management, database object management
  • Preparation and installation of patches and minor version updates during maintenance windows
  • Performance and storage monitoring, basic tuning, identification of slow queries
  • Handling incidents, requests, and changes according to ITIL principles, escalation to the senior team when necessary
  • Analysis and handling of alerts from monitoring systems
  • Automation of repetitive operational tasks using scripts
  • Creation and maintenance of up-to-date operational documentation and runbooks
  • Performing periodic on-call duties (one week per month, after the probation period)

Requirements

  • 2-4+ years of relevant database administration experience
  • Confident administration knowledge of at least one database engine (Oracle, MSSQL, or PostgreSQL)
  • Intermediate English proficiency
  • Practical knowledge of backup and recovery principles and tools
  • Basic system administrator knowledge of Linux and / or Windows Server
  • Solid SQL knowledge
  • Basic scripting skills (Bash or PowerShell)
  • Good communication skills, customer-oriented mindset
  • Willingness to learn, ability to work independently

Posted Oct 16, 2026 · Updated 18 days ago · 0 views