Oracle Database Administrator

PRACYVA; Województwo pomorskie; On-site; PLN 180,000 - 300,000; Full time

Job summary

PRACYVA in Poland seeks an experienced Senior Oracle DBA to manage large-scale Exadata and ExaCC environments, overseeing installation, patching, upgrades, and RAC/Grid Infrastructure operations.

You will coordinate with Oracle Support, OCI, and application teams, perform RMAN backups, DR planning, performance tuning, and security/compliance reviews. Excellent scripting skills and hands-on experience with OEM/OMS and monitoring tools are required.

Qualifications

• Certification – Oracle 11g/12c certified.
• Strong database administration and troubleshooting skills.
• Hands-on experience in Global Customer environment.
• Database Upgrades & Migrations (On-Prem → Exadata → ExaCC).
• Disaster recovery design and administration.

Responsibilities

• Manage large-scale Oracle database estates including Exadata and ExaCC.
• Administer Exadata (On-Prem) and ExaCC, including lifecycle operations.
• Patch management and upgrades of Oracle databases.
• Design HA and DR solutions using RAC, Data Guard, GoldenGate.
• RMAN backups, restores, cloning, migrations across environments.
• Coordinate with Oracle Support and OCI for Sev-1 incidents.
• Performance tuning using AWR/ADDM/ASH; Exadata optimizations.
• Automation via shell/PL/SQL scripts; SLA tracking and reporting.

Skills

Oracle DBA

Exadata

ExaCC

RAC

RMAN

Automation scripting

OS/Storage/Network

AWR/ADDM/ASH

GoldenGate

OEM/OMS Monitoring

Education

Oracle 11g/12c certification

Tools

Exadata

ExaCC

Grid Control

OEM/OMS

Job description

• Managing large-scale Oracle database estates including TB-scale Exadata and Exadata Cloud@Customer (ExaCC) environments.
• Hands-on administration of Oracle Exadata (On-Prem) and ExaCC, including: Infrastructure and VM Cluster awareness, Database lifecycle operations on ExaCC, Coordination with OCI & Oracle Support for ExaCC incidents.
• Installation, administration, patching, migration and upgrade of Oracle databases across Unix and Windows platforms.
• Designing and implementing High Availability and DR solutions using RAC, Data Guard and GoldenGate on both Exadata and ExaCC platforms.
• Hands-on experience with ASM/ACFS disk group management across Bare Metal, VM-based, Exadata and ExaCC deployments.
• RMAN operations including backup, restore, refresh, clone, migration and upgrade (host-to-host, host-to-VM, Exadata to ExaCC).
• Patch management and lifecycle planning for Oracle databases, Grid Infrastructure and ExaCC platforms.
• Expert knowledge of OEM monitoring for Exadata and ExaCC targets, including alerting, performance metrics and capacity tracking.
• Performance tuning using AWR, ADDM, ASH, SQL Baselines, SQL Profiles, ExaCheck and advisory views, including Exadata-specific optimizations.
• Implementing and periodically reviewing security, compliance and VAPT controls for databases hosted on Exadata and ExaCC.
• Coordinating with Oracle Support and OCI teams for Sev-1 / Major Incidents on Exadata & ExaCC.
• Proactive performance analysis and recommendations to application and business teams.
• Understanding of upstream/downstream systems – server, storage, network and virtualization layers.
• Automation using shell and PL/SQL scripts; periodic validation of automation effectiveness.
• SLA tracking, reporting and capacity planning for Exadata/ExaCC platforms.
• Preparing and maintaining audit-ready SOPs for Oracle, Exadata and ExaCC operations.
• Identifying, documenting and mitigating technology risks including ExaCC platform dependencies.
• Mentoring L1/L2 DBAs on Oracle, Exadata and ExaCC operational best practices.
• Providing on-call support for mission-critical databases

Requirements:

• Certification – Oracle 11g/12c certified.
• Strong database administration and troubleshooting skills.
• Hands-on experience working in Global Customer environment.
• Database Upgrades & Migrations (On-Prem → Exadata → ExaCC · High availability (RAC) setup and administration.
• Real time experience in handling Disaster recovery design, planning, setup and administration
• Expert in Provisioning and decommissioning of Database including Instance/ASM/RAC/Grid Control/DataGuard/GoldenGate administration and monitoring tools.
• OEM/OMS administration and Monitoring tools Configuration and management.
• Automation through scripting.
• Strong performance analysis on AWR, ADDM, SQL Profile, ASH RAC Check, EXA Check and advisory views.
• Experience on OS, Storage, Network and Virtualization activities related to Database.
• Exadata & ExaCC Performance Optimization
• Handled database estate of various technologies.