Senior Oracle Database Engineer (DBA)

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

Join Our Team as a Senior Oracle Database Engineer (DBA)

Are you an experienced Oracle expert passionate about delivering robust database solutions and ensuring operational excellence? We are looking for a Senior Database Administrator to join a leading global financial institution and take ownership of enterprise-grade Oracle environments, ensuring scalability, performance, and resilience.

About the Role

As a Senior Oracle DBA, you will play a key role in supporting and modernizing mission-critical database systems across global platforms. You’ll leverage your deep expertise in Oracle architecture, high-availability solutions, performance optimization, and advanced replication technologies (GoldenGate and Delphix) to provide database solutions that meet stringent business and security standards.

Sounds like your kind of challenge?

#LI-Hybrid – Kraków: 2 days office + 3 days remote/ week

What you’ll be doing

Act as an Oracle subject matter expert, advising on database design, performance tuning, and optimization strategies.
Deliver database solutions that enable high availability, replication, capacity planning, and disaster recovery.
Manage and support Oracle environments (12c, 19c) and ensure platform stability and security compliance.
Implement and maintain Oracle GoldenGate Microservices for enterprise-wide replication and data integrity.
Troubleshoot incidents, perform root cause analysis, and proactively remove performance bottlenecks.
Execute database upgrades, migrations, patching, and refreshes in compliance with operational standards.
Analyze and tune workloads using AWR, ADDM, and ASH reports for optimal performance.
Support DevOps practices, including CI/CD pipelines using Jenkins, Git, Ansible.
Lead automation initiatives through scripting (Shell/Python).
Collaborate with engineering, application, and infrastructure teams to streamline database operations.
Maintain compliance with ITIL best practices and security frameworks.

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.)
Hybrid work setup – Kraków: 2 days office + 3 days remote/ week
Collaborative team culture – work alongside experienced professionals eager to share knowledge
Continuous development – access to training platforms and growth opportunities
Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
High quality equipment – laptop and essential software provided

Who we’re looking for

Experience & Expertise
- 8–10 years of hands-on experience in Oracle Database Administration.
- Strong proficiency in Oracle RAC, DataGuard, Grid Control, and backup/recovery strategies.
- Advanced experience in Oracle GoldenGate replication design, setup, and troubleshooting.
- In-depth knowledge of performance tuning at SQL and instance levels.
- Familiarity with PostgreSQL, MongoDB, and automation frameworks.
- Understanding of Unix/Linux platforms and Oracle Enterprise Manager (OMS).
Additional Skills
- Strong knowledge of scripting (Shell, Python) and automation best practices.
- Familiarity with middleware technologies (WebSphere, Tomcat, Apache, IIS) and other databases (MS SQL, DB2, Sybase).
Qualification
- Bachelor’s degree in Computer Science or related field; Oracle certifications preferred.

Soft Skills

Excellent communication skills to explain technical concepts to diverse stakeholders.
Ability to work independently under pressure and meet deadlines.
Strong problem-solving, analytical skills, and a proactive, ownership-driven mindset.
Experience in Agile environments and ITIL Service Operations concepts.

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Senior Oracle Database Engineer (DBA)

Kraków

B2B

1200-1400 PLN/MD net + VAT

Apply for position

I will handle your recruitment

Klaudia Józefowicz

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests.

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.