Oracle Database Administrator

Madiff • English: C1 • SQL • 1 day ago

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Salary

≈ $47k – $83k per year (Estimated)

Location

In office (Warsaw)

Seniority

Middle · 3+ years exp

Employment

Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 10, 2026.

Overview

Company

Impact

Profile match

Madiff

Madiff is an IT consulting and staff augmentation company that provides remote agile teams, nearshore development teams and individual IT contractors to enterprise clients, with most of its hiring run from Warsaw. It works across retail, banking and insurance, telecom and media, automotive, energy, transportation and life sciences, recruits consultants in Poland and Portugal and sells its services into the UK, Ireland, France, Switzerland, Northern Europe and the US. Its openings cover .NET and full stack developers, data engineers and data scientists, AI architects, system and business analysts, QA testers, project managers and IT sales staff.

madiff.eu • HQ: Warsaw, Poland • Property Development • Information Technology • IT Consulting & Digital Transformation • 51-200 employees

We are looking for an Oracle Database Administrator to join an international DBA team supporting large-scale, high-availability database environments within the payments domain. The role focuses on maintaining database stability, performance, and scalability across production systems operating in distributed architectures.

This is a hands-on DBA role requiring strong Oracle expertise, production support experience, and practical knowledge of performance tuning and optimisation in enterprise environments.

Responsibilities

Perform database and SQL performance tuning
Design, implement, and maintain Oracle database instances
Conduct root cause analysis of production database issues
Monitor, maintain, and support database environments on a daily basis
Work with development teams on data models and database design
Implement performance and resource optimisation solutions
Support high availability and reliability of production systems

Requirements

Minimum3+ years of experience as an Oracle DBA
Hands on experience with Oracle databases onUnix/Linux environments
Strong knowledge of database performance tuning and optimisation
Experience supporting production environments and resolving issues
Good understanding of distributed systems and database architecture
Strong SQL knowledge and database development understanding
Fluent English communication skills

Nice to have

Experience with high volume OLTP systems
Experience with large scale databases (terabyte level)
Knowledge of Data Guard replication
Strong understanding of Oracle best practices such as schema design, indexing, and query optimisation
Experience working in global or distributed teams

Benefits

Solid, competitive salary
Work in multilingual, multinational and multicultural environment on international projects
Comprehensive healthcare
Long-term B2B contract with stable project pipeline

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