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Oracle Database Administrator – Linux & Enterprise Infrastructure
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Offer summary

(Summary generated by AI based on the full job description)

The project involves supporting mission-critical Linux systems and managing Oracle, PostgreSQL, MS SQL databases in a production environment. Key responsibilities include installation, configuration, performance tuning, backup and recovery management, and log analysis at database and OS levels. Duties also cover collaboration with application and Linux teams, 24/7 on-call participation, and executing changes during maintenance windows. Proficiency in Linux RHEL and experience with critical systems are required.

you can start ASAP

Oracle Database Administrator – Linux & Enterprise Infrastructure

Company: ITDS Polska Sp. z o.o.

from: 22 May 2026
to: 21 June 2026
21 000 - 27 300 złnet (+ VAT)/ mth.B2B contract (full-time)
salary not specifiedcontract of employment
Salary details
basic salary
Offer parameters
level:mid
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Linux
Oracle
PostgreSQL
Microsoft SQL Server

Optional technologies

IBM Sterling File Gateway
IBM Connect:Direct
BMC Control-M

Our requirements

  • 4+ years of experience as a DBA in production environments.
  • Strong Linux (RHEL) knowledge and hands-on experience with Oracle, PostgreSQL, and MS SQL databases.
  • Proven experience supporting mission-critical systems.
  • Excellent troubleshooting skills under pressure.
  • Experience with backup and recovery, replication/HA, performance tuning, and log analysis.
  • Fluent in English (excellent command).

Optional

  • Shell scripting or automation skills.
  • Experience with IBM Sterling File Gateway, IBM Connect:Direct, or BMC Control-M.
  • Exposure to financial services or regulated environments.
  • Supporting batch/file transfer platforms.

Your responsibilities

  • Install, configure, and maintain databases (Oracle, PostgreSQL, MS SQL) in a production environment.
  • Manage patching, upgrades, backup, restore, and recovery validation to ensure data integrity.
  • Troubleshoot performance issues and optimize database performance through tuning.
  • Analyze incidents, contribute to root cause analysis, and support incident resolution.
  • Conduct log analysis at database and Linux levels to maintain system health.
  • Collaborate with Linux admins and application teams to troubleshoot interactions between database, application, and OS layers.
  • Execute weekend changes and perform database operations during controlled maintenance windows, including pre- and post-change validations.
  • Participate in a 24/7 on-call rota for incident response and support outside regular hours.
  • Provide input for risk assessments related to database changes.

About the project

As a Database Administrator, you will be working for our client, a leader in digital business automation solutions. You will support mission-critical Linux platforms and enterprise systems, ensuring reliable operation, optimal performance, and seamless integration across complex infrastructure. This role is pivotal in driving resilience and efficiency in a dynamic, production-facing environment—perfect for professionals eager to shape the backbone of digital transformation.
Empower critical enterprise infrastructure — lead the evolution of Linux-based database management!
Krakow-based opportunity with hybrid work model (up to 3 remote days per week).
Only candidates with an existing legal right to work in the European Union will be considered for this role.

This is how we organize our work

This is how we work

at the client's siteagilescrum

This is how we work on a project

  • DevOps

#GETREADY to meet with us!

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people.
We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

📌 You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
Company

What we offer

  • Stable and long-term cooperation with very good conditions.
  • Enhance your skills and develop your expertise in the financial industry.
  • Work on the most strategic projects available in the market.
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years.
  • Participate in Social Events, training, and work in an international environment.
  • Access to attractive Medical Package.
  • Access to Multisport Program.
  • Access to Pluralsight.
  • Flexible hours.

Benefits

  • sharing the costs of sports activities
  • private medical care
  • flexible working time
  • fruits
  • integration events
  • corporate gym
  • saving & investment scheme
  • no dress code
  • coffee / tea
  • drinks
  • christmas gifts
  • birthday celebration
  • sharing the costs of a streaming platform subscription
  • access to +100 projects
  • access to Pluralsight

Recruitment stages

  • 1.
    online interview
  • 2.
    online interview

ITDS Polska Sp. z o.o.

ITDS supports financial service providers to take the next steps.
We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
We see where banks, insurers, payment companies, or fintech can go and how they can get there.
That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
ITDS in Poland - Pure player in new Technologies & Financial Industry
+300 IT implementation professionals
+20 clients in the Banking, Insurance, Payment & Fintech Industry
ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work

Oracle Database Administrator – Linux & Enterprise Infrastructure
21k–27.3k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Kraków, Lesser Poland
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