Database Administrator

Database Administrator

Location: Warsaw
Work model: On-site (5 days per week)

B2B via Experis

B2B rate: 120-150 PLN netto+VAT/h

Full-time job

Job Description

As a Database Administrator in the International DBA Team, you will be part of the Oracle Database team responsible for ensuring high performance, availability, and reliability of database environments across the international region. You will work closely with engineering and application teams across multiple geographies, translating business and technical requirements into scalable and efficient database solutions aligned with global standards.

Responsibilities

• Perform database and application (SQL) performance tuning to ensure optimal system efficiency

• Design, develop, implement, and maintain Oracle database instances

• Conduct root cause analysis of production-related database issues and implement corrective actions

• Handle daily database maintenance, monitoring, problem resolution, and provide internal customer and development support

• Review, design, and develop logical and physical data models in collaboration with application development teams

• Test, validate, and implement performance optimization and resource management solutions

• Contribute to database standards, best practices, and performance metrics across distributed environments

Requirements

• Bachelor’s degree in Computer Science or equivalent combination of education and professional experience

• Minimum 3 years of experience as an Oracle DBA on Unix/Linux environments

• At least 2 years of hands-on database administration and 1+ year of database development experience

• Strong knowledge of Oracle database technologies, tools, and SQL performance tuning

• Ability to convert logical data models into physical database designs

• Excellent written and verbal English communication skills

• Proven experience working closely with development and engineering teams

Preferred Qualifications

• Strong problem-solving mindset with fast troubleshooting and resolution skills

• Ability to manage multiple tasks and adapt to shifting priorities

• Experience working with high-volume OLTP and terabyte-scale databases

• Hands-on experience with Oracle Data Guard replication solutions

• Knowledge of Oracle DBA best practices, including schema management, indexing strategies, and optimizer hints

• Advanced query optimization and database performance tuning expertise

• Ability to build strong, collaborative relationships with DBA and application teams

We offer

• B2B contract via Experis

• Opportunity to work on projects for leading global fintech organizations

• Multilingual and multicultural work environment

• Dynamic, friendly, international team

• Medicover

• Multisport

• E-leaning platform

• Group insurance