**Database Engineer (PostgreSQL/Oracle)** Location: Warsaw Work model: hybrid (3 days/week in office) Join our growing engineering team supporting mission-critical systems in the financial sector. As a global tech partner with 30+ years of experience, we help top organizations modernize their tech and deliver exceptional digital experiences. **What You’ll Do** + Manage PostgreSQL and Oracle databases (incl. RAC, GoldenGate) + Handle replication, performance tuning, and query optimization + Ensure database security and availability + Configure monitoring using modern observability tools i.e.: Prometheus, Grafana + Collaborate with developers and infrastructure teams on data flows + Support incident management and root cause analysis **What You Bring** + 6–8 years of DBA experience (PostgreSQL & Oracle) + Strong database architecture, replication, tuning, and Linux/UNIX administration skills + Familiarity with Prometheus/Grafana + Bonus: Financial services experience (banking, payments) and Familiarity with automation/scripting (Python, Bash) **What We Offer** + Permanent employment contract or B2B + Extensive benefits package: (private medical healthcare including dental care, life insurance, cafeteria benefits) – for permanent employees only For more information about Cognizant, visit https://www.cognizant.com/en-pl/ Interested? Apply online today! #LI-MS1 Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.