Tech SME - System Admin Oracle DB

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

Ready to take on a critical DBA role in a global enterprise environment? Join us and make an impact!

We are seeking a hands-on Database Administrator to join our Enterprise Infrastructure – Digital Business Automation team. This role is critical for supporting mission‑critical Linux-based platforms, including IBM Sterling File Gateway, IBM Connect:Direct and BMC Control-M, in a high-availability production environment.

You will work on complex database operations, production incident handling (L2/L3), and ensure platform stability across global teams. This role offers massive learning opportunities, exposure to large-scale regulated systems, and the chance to grow in performance optimization, resilience, and automation in a global banking environment.

Sounds like your kind of challenge?

Li-Hybrid

Working Hours: Core hours 09:00–17:00 CET (flexible), occasional early/late calls to support UK/India
On-Call: Yes (1–2 weeks/month), weekend changes included

Recruitment Process: 2 stages
Team Location: Global teams (Poland, UK, India)
Hybrid Work: only 6 days/month onsite in Kraków
Contract Duration: 12+ months (option to extend)

What you'll be doing

Database Administration:

Install, configure and maintain Oracle, PostgreSQL, and MS SQL databases
Patch management, upgrades, backup/restore/recovery processes
Performance troubleshooting and tuning
Capacity planning & optimization

Production Support (L2/L3):

Incident analysis, root cause investigations
Log analysis (DB and Linux)
Participating in major incident bridges

Linux Platform Support:

Collaborate with Linux Admin and Application teams
Troubleshoot interactions between DB, OS, and application layers

Change & Maintenance:

Execute database changes in controlled maintenance windows
Perform weekend production changes
Pre/post-change validation and risk assessments

On-Call:

24/7 rota coverage for out-of-hours issues
Support weekend deployments when necessary

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 – remote days available depending on the client’s arrangements
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

Must-Have Skills & Experience:

5+ years as DBA in production environments
Strong Linux knowledge (RHEL)
Hands-on with Oracle (install/configure, backup/recover, performance tuning)
Experience with PostgreSQL, MS SQL
Strong production mindset: incident handling, RCA, controlled changes

Nice to Have:

Shell scripting / automation
Experience with IBM Sterling File Gateway, Connect:Direct, BMC Control-M
Financial services / regulated environments

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.

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System