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Senior Oracle Database Administrator – Performance Tuning & High Availability
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Offer summary

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

The project focuses on Oracle database administration in enterprise environments, emphasizing performance optimization, high availability, and security. Required skills include Oracle 12c, 19c, RAC, Data Guard, Grid Control and expertise in performance tuning with AWR, ADDM, and ASH. Responsibilities cover monitoring, automation via Shell and Python scripting, managing replication and recovery, and collaborating with application and infrastructure teams. Benefits include medical package, Multisport, Pluralsight training, and flexible working hours.

you can start ASAP

Senior Oracle Database Administrator – Performance Tuning & High Availability

Company: ITDS Polska Sp. z o.o.

from: 25 May 2026
to: 24 June 2026
21 000 - 26 250 złnet (+ VAT)/ mth.B2B contract (full-time)
16 100 - 19 000 złgross/ mth.contract of employment
Salary details
basic salary
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Oracle
Shell
Python
Linux
Unix
Jenkins
Git
Ansible

Optional technologies

PostgreSQL
MongoDB
Microsoft SQL Server
Sybase

Operating system

Linux

Our requirements

  • At least 8 years of experience working with Oracle databases in enterprise environments
  • Deep knowledge of Oracle 12c and 19c, with hands-on experience in RAC, Data Guard, and Grid Control
  • Expertise in performance tuning, troubleshooting, and optimization using AWR, ADDM, and ASH reports
  • Strong scripting skills (Shell/Python) and automation experience
  • Familiarity with Linux/Unix platforms and backup/recovery strategies
  • Good understanding of DevOps tools such as Jenkins, Git, and Ansible
  • Solid knowledge of networking, security best practices, and ITIL concepts
  • Excellent communication skills in English, capable of explaining complex concepts clearly

Optional

  • Industry certifications related to Oracle or database management
  • Experience with PostgreSQL, MongoDB, or other ITID technologies
  • Knowledge of middleware (e.g., WebSphere, Tomcat), MS SQL, or Sybase

Your responsibilities

  • Provide consulting on database performance monitoring, tuning, and optimization to enhance system efficiency
  • Maintain high availability setups, replication configurations, and develop capacity and disaster recovery plans
  • Stabilize Oracle environments and demonstrate ownership, commitment, and urgency in issue resolution
  • Collaborate with application and infrastructure teams to implement short- and medium-term modifications based on change requests
  • Assess, analyze, and implement database changes, providing troubleshooting support and root cause analysis for incidents
  • Lead performance tuning using AWR, ADDM, and ASH reports, ensuring optimal database operations
  • Manage Oracle technologies such as Real Application Cluster, Data Guard, Grid Control, and GoldenGate
  • Automate database administration tasks using scripting in Shell and Python
  • Support backup and recovery scenarios, ensuring robust data safety and security
  • Collaborate within Agile teams using tools like JIRA and Confluence to deliver high-quality solutions
  • Uphold ITIL practices, maintain security architecture, and participate in DR tests and service activities

About the project

As a Senior Oracle Database Administrator, you will be working for our client, a leader in data infrastructure and management solutions. You will be instrumental in delivering critical projects that optimize Oracle environments, ensuring maximum uptime, performance, and security—driving innovation and operational excellence across enterprise systems. This role offers a path for seasoned professionals to further hone their expertise and impact digital transformation.
Empower enterprise data resilience — shape the future of database performance and high availability!
Krakow-based opportunity with hybrid work model (up to 3 days remote 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

#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 & remote work

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.
    first online interview
  • 2.
    second 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

Senior Oracle Database Administrator – Performance Tuning & High Availability
16.1k–19k zł / mth. (CoE), 21k–26.3k zł / mth. (B2B)
I apply to:
ITDS Polska Sp. z o.o.
Kraków, Lesser Poland
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