Senior Oracle Exadata

Ubique Systems; Województwo pomorskie; On-site; PLN 260,000 - 360,000; Full time

Job summary

Ubique Systems in Gdańsk, Poland, seeks a Senior Oracle Exadata/ExaCC DBA to manage large-scale Oracle estates in a hybrid setup (3 days onsite). The role covers installation, patching, upgrades, migrations and lifecycle management of Exadata environments, with emphasis on RAC, Data Guard and RMAN.

You will monitor performance with OEM/OMS, AWR, ADDM, ASH and ExaCheck, and lead security, compliance and automation efforts. Mentoring junior DBAs and providing on-call support are included.

Qualifications

• Strong Oracle Database Administration and troubleshooting experience.
• Hands-on with Exadata and ExaCC environments.
• Expert in RAC, Data Guard, GoldenGate, ASM/ACFS and RMAN.
• Experience with upgrades and migrations.
• Expert knowledge of OEM/OMS monitoring and administration.
• Performance tuning with AWR, ADDM, ASH, SQL Profiles and ExaCheck.
• Experience across OS, storage, network and virtualization.
• Scripting/automation skills; Shell and PL/SQL.

Responsibilities

• Administer Oracle Exadata and Exadata Cloud@Customer (ExaCC) environments.
• Perform database installation, patching, upgrades, migrations and lifecycle management.
• Manage RAC, Data Guard, GoldenGate, ASM/ACFS and RMAN.
• Handle migrations across On-Prem, ExaCC platforms.
• Monitor and optimise databases using OEM/OMS, AWR, ADDM, ASH, SQL Profiles/Baselines and ExaCheck.
• Coordinate with Oracle Support and OCI teams during major incidents.
• Implement security, compliance and VAPT controls.
• Automate DBA activities using Shell and PL/SQL scripting.
• Maintain SOPs, audit documentation and tech risk assessments.
• Mentor L1/L2 DBAs and provide on-call support for critical databases.

Skills

Oracle DBA

Exadata

ExaCC

RAC

Data Guard

GoldenGate

RMAN

ASM/ACFS

OEM/OMS

AWR

ADDM

ASH

SQL Profiles

Scripting

On-call support

Mentoring

Performance tuning

Tools

Exadata Cloud@Customer

Shell scripting

PL/SQL

Job description

Senior Oracle Exadata / ExaCC DBA

Location: Gdańsk, Poland

Work Mode: Hybrid – 3 days onsite

Duration: Long-term

We are looking for a Senior Oracle Exadata / ExaCC DBA with strong experience managing large-scale Oracle database estates and mission-critical environments.

Key Responsibilities

• Administer Oracle Exadata and Exadata Cloud@Customer (ExaCC) environments.
• Perform database installation, patching, upgrades, migrations and lifecycle management.
• Manage RAC, Data Guard, GoldenGate, ASM/ACFS and RMAN.
• Handle migrations across On-Prem, ExaCC platforms.
• Monitor and optimise databases using OEM/OMS, AWR, ADDM, ASH, SQL Profiles/Baselines and ExaCheck.
• Manage performance, capacity, backup/recovery and DR activities.
• Coordinate with Oracle Support and OCI teams during major incidents.
• Implement security, compliance and VAPT controls.
• Automate DBA activities using Shell and PL/SQL scripting.
• Maintain SOPs, audit documentation and technology risk assessments.
• Mentor L1/L2 DBAs and provide on-call support for critical databases.

Requirements

• Strong Oracle Database Administration and troubleshooting experience.
• Hands-on experience with Exadata & ExaCC.
• Strong expertise in RAC, Data Guard, GoldenGate, ASM/ACFS and RMAN.
• Experience with database upgrades and migrations.
• Expert knowledge of OEM/OMS monitoring and administration.
• Strong performance tuning experience with AWR, ADDM, ASH, SQL Profiles and ExaCheck.
• Experience working across OS, storage, network and virtualization layers.
• Strong scripting/automation skills.
• Experience working in a global customer environment.
• Oracle 11g/12c certification preferred/required.
• Willingness to provide on-call support.