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. 

Tech SME - System Admin Oracle DB

Kraków

B2B

1100 - 1400 pln net/MD + VAT

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.

New baby gift

Important moments matter to us.

When a child is born, we prepare a personalised gift. All it takes is a short message to the Talent Network Development team.

do you like
like our offer?

the recruitment process

We take care of every stage of process

Submit your CV

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Contact with
a Recruiter

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Sending your CV
to the client

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

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Referral Program

Refer a friend & get up to 6,000 PLN

Do you know an IT specialist who could be a good fit for one of our projects? Share their contact details with us and we’ll take care of the rest.

You can receive up to 6,000 PLN for a successful referral.