Database Administrator DBA

W3Global; Kraków; Híbrido; PLN 117.000 - 151.000; Jornada completa

Descripción de la vacante

W3Global is seeking a Database Administrator (DBA) in Poland. Hybrid role based in Krakow, on a 3-day-per-week schedule, for a 6-month contract on a B2B/Subcontract basis. The role requires hands-on work with core RDBMS platforms and cloud database support.

You will lead infrastructure upgrades, manage multi-platform databases, and drive security patches, performance tuning, and incident resolution while engaging stakeholders.

Formación

• Hands-on experience with Oracle, DB2, PostgreSQL, SQL Server and MongoDB.
• "RDBMS" technologies and cloud familiarity preferred.
• Experience with performance tuning and AWS database support advantageous.

Responsabilidades

• Lead and deliver database infrastructure initiatives including upgrades and migrations.

Conocimientos

RDBMS technologies

Oracle

RAC

Data Guard

Exadata

DB2

PostgreSQL

SQL Server

MongoDB

Herramientas

Ansible

Bash

PowerShell

Python

Descripción del empleo

Description

3 Most Important Skills Critical for Success:

• Strong handson experience with RDBMS technologies Oracle RAC Data Guard Exadata DB2 PostgreSQL SQL Server MongoDB is an advantage
• Database Performance Tuning and AWS Database Support experience
• Ansible and Automation Scripting experience Bash PowerShell Python

Role: Database Administrator DBA

Location: Poland, Krakow

Mode: Hybrid - 3 day a week

Hiring Type: B2B/SUBCON

Duration: 6 months

Description

3 Most Important Skills Critical for Success:

• Strong handson experience with RDBMS technologies Oracle RAC Data Guard Exadata DB2 PostgreSQL SQL Server MongoDB is an advantage
• Database Performance Tuning and AWS Database Support experience
• Ansible and Automation Scripting experience Bash PowerShell Python

Responsibilities

• Lead and deliver database infrastructure initiatives including upgrades migrations standardization and platform modernization
• Build configure and manage enterprise database environments across multiple database platforms
• Support cloud database adoption and infrastructure optimization initiatives
• Assess deploy and manage security patches upgrades and critical database fixes
• Evaluate new database technologies perform proof of concepts and support platform innovation
• Provide technical consultancy on database design performance resilience backup recovery and operational readiness
• Produce technical documentation standards runbooks and implementation guides
• Support production incidents troubleshoot issues and perform root cause analysis
• Participate in change management incident management and oncall support activities
• Report delivery progress risks dependencies and remediation activities to stakeholders

To Be Successful In This Role You Should Have

• Strong handson experience with Oracle DB2 PostgreSQL or SQL Server
• Experience with Oracle technologies such as RAC Data Guard RMAN and Exadata
• Strong database performance tuning and optimization skills
• Experience supporting database solutions in AWS or cloud environments
• Experience with shell scripting and automation using Bash PowerShell Python or Ansible
• Understanding of database backup recovery high availability and disaster recovery concepts
• Strong knowledge of incident change and production support processes
• Ability to quickly learn and adopt new database technologies
• Strong troubleshooting and root cause analysis skills
• Excellent communication and stakeholder management capabilities
• Ability to manage multiple priorities and work effectively under pressure

Skills

• Mandatory Skills : MS SQL Server, Oracle PL/SQL, PostgreSQL
• Good to Have Skills : DATA-MIGRATION-DEV