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Senior Oracle DBA & Exadata Expert | Infrastructure Architect | OCI | RAC | GoldenGate

Casablanca, Marokko
Weltweit
Engineering degree - Master in Computer Science Applied to Business Management
Casablanca, Marokko
Weltweit
Engineering degree - Master in Computer Science Applied to Business Management

Profilanlagen

Abdelkrim_Zouaoua_Senior_Oracle_DBA_Exadata_Infrastructure_Architect_EN.pdf
Abdelkrim_Zouaoua_DBA_Oracle_Senior_Exadata_Architecte_Infrastructure_FR.pdf

Über mich

Senior Oracle DBA & Infrastructure Architect with 14+ years in Exadata, RAC, Data Guard, GoldenGate, OCI, WebLogic, HA/DR, migrations and performance engineering. 1,000+ production DBs, 30+ Exadata clusters. Open to international freelance and remote missions.

Skills

Oracle Weblogic ServerCloud DatabaseCloud-EngineeringDatenbank-VerschlüsselungOracle Data GuardLinuxKatastrophenplanungDisaster RecoveryDisaster-Recovery-PlanOracle ExadataLinux-AdministrationOracle DatabasesOracle RacOracle Virtual MachineWirtschaftlichkeitsprüfungPerformance EngineeringLeistungssteigerungAnsibleRmanDatenbank-EnginesHochverfügbarkeits-ClusterDisaster-Recovery-LösungOracle Enterprise ManagerOracle Golden GateCloud IntegrationDatenbank-BackupTerraformDatabase InstallationOracle Cloud InfrastructureCloud-Management-PlattformenAdministration von Datenbanken
Oracle DBA & Exadata / Engineered Systems
14+ years administering and architecting mission-critical Oracle environments. Oracle Database 9i–19c, Exadata X5–X10M, bare metal, OVM/OLVM, Exadata Cloud@Customer (ExaCC), ODA, ZFS and ZDLRA. Experience across 1,000+ production databases and 30+ Exadata clusters.
RAC, ASM & High Availability
Oracle RAC and Grid Infrastructure, SCAN/VIP/private interconnect, ASM DATA/RECO/OCR, failure groups, rebalance, multipathing, Data Guard / Active Data Guard, switchover/failover, RTO/RPO and DR architecture.
GoldenGate & Database Migration
Oracle GoldenGate architecture and administration, real-time and bidirectional replication, zero/near-zero-downtime migrations, RMAN Duplicate, Data Pump, Transportable Tablespaces, cross-platform AIX/Linux/Exadata migrations and Oracle upgrades.
Performance Engineering
AWR, ASH, ADDM, SQL execution plans, wait events, latch/locking analysis, DBMS_STATS, SGA/PGA, HugePages, I/O and storage tuning, Exadata Smart Scan, storage indexes, FlashCache and IORM.
Backup, Recovery & Critical Production
RMAN backup/recovery, recovery catalog, duplication, physical/logical recovery, corruption troubleshooting, ASM recovery, OEM 13c, 24/7 production, Sev-1 incidents, RCA, patching and lifecycle management.
OCI & Hybrid Cloud
Oracle Cloud Infrastructure, OCI DB Systems, Exadata Database Service (ExaDB), hybrid on-prem/cloud architecture, Data Guard, GoldenGate migrations, workload placement, capacity planning and post-migration optimization.
Automation & Infrastructure
Ansible, AWX/AAP, Jinja2, Vault, Terraform, Git, Jenkins, Python, Bash/Shell, Oracle Linux, OVM/OLVM/KVM, VMware vSphere, infrastructure automation and repeatable deployment workflows.
Oracle Middleware
Oracle WebLogic Server administration, Oracle Forms & Reports environments, domains, managed servers, deployments, JDBC/data sources, monitoring, troubleshooting and patching.
Security & Compliance
TDE, Oracle Advanced Security, Database Vault, Audit Vault, Database Firewall, FGA, Data Redaction, security hardening, privileged-access controls and regulated banking/financial environments.
Architecture & Consulting
Infrastructure audits, health checks, capacity planning, platform modernization, HA/DR design, technical governance, runbooks, documentation, knowledge transfer and senior escalation support.

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2014

Sprachen

ArabicverhandlungssicherEnglishverhandlungssicherFrenchverhandlungssicher

Projekthistorie

Senior Oracle Infrastructure Architect & Exadata Expert – X9M, ExaCC, RAC & Migrations

CNSS

Öffentlicher Dienst

>10.000 Mitarbeiter

  • Provide senior architecture and hands-on engineering support for Oracle Exadata X9M infrastructure, covering platform operations, cluster lifecycle and production readiness.
  • Design and create new Oracle RAC 19c clusters on Exadata X9M, including Grid Infrastructure, ASM, SCAN/VIP, services and infrastructure integration.
  • Lead migration of Oracle databases from legacy IBM AIX platforms to newly provisioned Exadata RAC clusters.
  • Implemented a complete Oracle RAC 19c preproduction platform on VMware ESXi, including Grid Infrastructure, ASM, cluster networking and failover validation.
  • Implemented Oracle Enterprise Manager 13c Release 5 (OEM 13cR5) and integrated Exadata physical and virtual infrastructures, RAC, ASM and Oracle databases for centralized monitoring and administration.
  • Perform advanced performance engineering and capacity management using OEM 13c, AWR/ASH/ADDM, wait-event analysis, SQL execution plans, CPU, memory and I/O diagnostics.
  • Implement and manage Oracle GoldenGate replication between on-premises Exadata and Exadata Cloud@Customer (ExaCC) for real-time data synchronization.
  • Design Oracle Data Guard disaster recovery architecture, including standby topology, resilience strategy, switchover/failover principles and RTO/RPO alignment.
Key technologies: Exadata X9M, Exadata Cloud@Customer, Oracle 19c, RAC, Grid Infrastructure, ASM, GoldenGate, Data Guard, OEM 13cR5, AWR, ASH, ADDM, IBM AIX, VMware ESXi.

Senior Oracle DBA Consultant – Upgrade, Performance & Production Stabilization

Attijariwafa Bank

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

  • Led the upgrade and stabilization of a mission-critical Oracle E-Business Suite banking platform.
  • Assessed architecture, technical dependencies, upgrade prerequisites, cutover strategy and rollback procedures.
  • Executed an out-of-place Oracle Database upgrade while preserving the existing production environment for controlled fallback.
  • Investigated severe post-upgrade performance regressions using AWR, ASH, SQL execution plans and optimizer diagnostics.
  • Resolved issues involving statistics, cardinality estimates, optimizer behavior and system parameters.
  • Tuned critical transactional and batch SQL, designed missing indexes and optimized database structures.
  • Performed SGA/PGA memory sizing and I/O workload analysis.
  • Coordinated database, infrastructure, application and business teams throughout stabilization.
  • Restored production performance and significantly improved response times for critical banking workloads.
Key technologies: Oracle Database, Oracle E-Business Suite, AWR, ASH, SQL Tuning, RMAN, Oracle Linux, SGA/PGA.

Oracle Infrastructure Architect – Exadata X9M Lifecycle, Audit & Patching Strategy

Groupe SEB

Sonstiges

>10.000 Mitarbeiter

  • Led a full-stack architecture and lifecycle assessment of an Oracle Exadata X9M-2 platform hosting mission-critical SAP workloads.
  • Audited compute nodes, storage cells, ASM, grid disks, FlashCache, PMEM, Oracle Linux, UEK and RoCE networking.
  • Assessed Exadata System Software, firmware, Grid Infrastructure and Oracle Database 19c patch levels.
  • Performed platform health and compliance validation using EXACHK/AHF.
  • Designed a multi-stage Exadata upgrade roadmap from the existing system image to supported target releases.
  • Aligned Exadata, GI and RDBMS versions with SAP certification requirements.
  • Defined rolling and non-rolling patch strategies for storage cells, compute nodes, Grid Infrastructure and databases.
  • Modelled RAC availability impact, maintenance downtime and operational risks.
  • Designed Data Guard fallback and rollback principles for major lifecycle operations.
  • Produced the technical execution framework, prerequisites, validation criteria and governance procedures.
Key technologies: Exadata X9M-2, RAC 19c, ASM, Data Guard, RoCE, Oracle Linux, UEK, EXACHK, AHF, SAP.

Senior Oracle DBA & Exadata Expert – Performance & Capacity Engineering

Groupama

Versicherungen

>10.000 Mitarbeiter

  • Performed a full-stack performance and capacity assessment of an Oracle Exadata X8M-2 platform supporting high-volume analytical and data-warehouse workloads.
  • Audited compute nodes, storage cells, grid disks, ASM configuration and RoCE network architecture.
  • Validated the integration and configuration of newly added Exadata storage cells.
  • Analysed CPU, memory, flash and disk resource balance across the platform.
  • Conducted advanced workload diagnostics using AWR, ASH, I/O latency, throughput, CPU consumption and wait events.
  • Identified major bottlenecks affecting reporting and batch workloads.
  • Designed a dedicated flash ASM disk group for I/O-intensive workloads.
  • Defined Exadata IORM policies for workload isolation and prioritization.
  • Designed ASM redistribution and rebalance strategy.
  • Performed SQL execution-plan analysis and tuning recommendations.
  • Established CPU, memory and storage capacity-planning models.
  • Delivered targeted performance improvements exceeding 400%.
Key technologies: Exadata X8M-2, RAC, ASM, Smart Scan, FlashCache, IORM, RoCE, AWR, ASH, SQL Tuning.

Oracle Infrastructure Architect – ODA X10-S Engineered Systems & Disaster Recovery

  • Owned the end-to-end architecture, deployment and lifecycle management of two Oracle Database Appliance X10-S engineered systems.
  • Re-imaged and upgraded the appliances from factory baseline to Oracle 19.23.
  • Validated firmware, Oracle Linux, ILOM, storage and DCS component compatibility.
  • Designed segmented VLAN network architecture, bonded interfaces and management connectivity.
  • Defined DATA/RECO storage redundancy and compute capacity.
  • Provisioned Oracle Grid Infrastructure and Database 19c software images.
  • Deployed virtualized database systems using the ODA KVM-based architecture.
  • Managed full-stack patching covering firmware, ILOM, OS, storage, Grid Infrastructure and databases.
  • Migrated production databases to the new ODA environment.
  • Designed disaster-recovery architecture for Oracle Standard Edition using Dbvisit Standby.
  • Implemented synchronization, log shipping, standby management and failover procedures.
  • Produced operational documentation and transferred knowledge to client teams.
Key technologies: ODA X10-S, Oracle 19c, Oracle Linux, KVM/ODAVM, Grid Infrastructure, ASM, ILOM, DCS, Dbvisit Standby.

Oracle Infrastructure Architect – OLVM/KVM & RAC Platform Engineering

LACTALIS

Konsumgüter und Handel

>10.000 Mitarbeiter

  • Designed and implemented a complete highly available Oracle RAC infrastructure for mission-critical enterprise workloads.
  • Architected the Oracle Linux Virtualization Manager (OLVM/KVM) platform including management engine and four-node compute cluster.
  • Designed CPU and memory allocation strategy for virtualized Oracle database servers.
  • Architected shared iSCSI storage on Dell PowerStore.
  • Implemented multipathing, persistent device mapping and resilient storage connectivity.
  • Designed ASM DATA, RECO and OCR disk groups with appropriate redundancy.
  • Installed and configured Oracle Grid Infrastructure and Oracle RAC 19c.
  • Configured SCAN listeners, VIPs, private interconnect and cluster services.
  • Designed network segmentation for management, public and RAC interconnect traffic.
  • Optimized HugePages, Linux kernel parameters, NUMA, memory allocation and I/O configuration.
  • Tested node failures, service relocation and cluster resilience.
  • Defined lifecycle, patching and platform-governance standards.
Key technologies: OLVM, KVM, Oracle Linux, RAC 19c, Grid Infrastructure, ASM, iSCSI, Dell PowerStore, HugePages, NUMA.

Oracle Infrastructure Architect – OCI, ExaDB & Zero-Downtime Migration

ID LOGISTICS

Transport und Logistik

>10.000 Mitarbeiter

  • Led architecture and migration strategy for an enterprise Oracle modernization program from on-premises infrastructure to Oracle Cloud Infrastructure.
  • Analysed database workloads based on CPU, I/O, storage, criticality and availability requirements.
  • Defined workload placement between OCI VM Database Systems and Exadata Database Service (ExaDB).
  • Designed OCI database target architecture and hybrid on-premises/cloud connectivity.
  • Used RMAN-based migration strategies for workloads with controlled downtime.
  • Designed near-zero-downtime migration architecture using Oracle GoldenGate for critical transactional systems.
  • Designed Oracle Data Guard architectures for critical OCI databases.
  • Coordinated production cutovers and transaction-consistency validation.
  • Automated provisioning and migration workflows using Terraform and Ansible.
  • Established repeatable deployment workflows and environment-specific configuration management.
  • Performed post-migration validation, SQL tuning and workload optimization.
Key technologies: OCI, Exadata Database Service, VM DB Systems, OCI GoldenGate, Data Guard, RMAN, Terraform, Ansible.

Senior Oracle DBA & Infrastructure Architect – Exadata, RAC & GoldenGate

Generali

Versicherungen

>10.000 Mitarbeiter

  • Served as senior technical owner and escalation expert for one of the largest Oracle estates in my career 1,000+ production databases, 30+ Exadata clusters and multi-petabyte environments
  • Architected and operated physical and virtualized Exadata platforms using OVM/OLVM across multi-country mission-critical 24/7 environments
  • Designed Oracle RAC, Grid Infrastructure
  • Administered Exadata compute nodes, storage cells, grid disks, FlashCache and capacity.
  • Designed IORM workload-isolation and prioritization strategies
  • Managed Oracle Linux and Oracle VM infrastructure
  • Performed full-stack patching across Exadata storage cells, compute nodes, Oracle Linux/UEK, Grid Infrastructure and databases
  • Led Oracle upgrades from legacy releases through 19c.
  • Executed AIX/OVM-to-Exadata migrations using RMAN, Data Pump and Transportable Tablespaces.
  • Designed and implemented GoldenGate zero-downtime migrations for critical systems.
  • Implemented Data Guard and Active Data Guard HA/DR architectures
  • Designed enterprise RMAN backup/recovery architectures
  • Performed AWR/ASH/ADDM diagnostics and SQL performance tuning.
  • Redesigned OEM 13c in highly available architecture across two datacenters
  • Delivered multi-million-euro Oracle licensing optimization through CPU containment and Trusted Partitioning
  • Trained and technically supervised a 10-person Accenture DBA/engineering tea
Key technologies: Exadata, ExaCC, RAC, ASM, Data Guard, GoldenGate, RMAN, OEM 13c, Oracle Linux, OVM/OLVM, Ansible

Senior Oracle DBA & Exadata Consultant – Engineered Systems & Critical Recovery

EASYTEAM

Internet und Informationstechnologie

5000-10.000 Mitarbeiter

Delivered senior Oracle consulting services across major European enterprise clients, covering Exadata transformations, RAC engineering, HA/DR, performance and critical production recovery.

ADEO / Leroy Merlin
  • Led high-risk transformation of production Exadata platforms from bare metal to OVM using a phased node-by-node strategy with no service interruption.
  • Designed multi-cluster Exadata architecture.
  • Migrated 60+ production databases to Oracle RAC.
  • Integrated Exadata and Exalogic over InfiniBand.
  • Designed enterprise RMAN/ZFS backup and recovery architecture.
Boulanger
  • Resolved Exadata virtualized-cluster failures caused by VLAN tagging issues.
  • Redesigned Data Guard network architecture for replication isolation and resilience.
Interial
  • Recovered a nationwide Oracle production platform following catastrophic storage failure.
  • Repaired ASM metadata using KFED and reconstructed critical databases.
Tefal / Groupe SEB
  • Recovered Oracle RAC following Grid Infrastructure/CRS/OCR failure in coordination with Oracle Support.
Key technologies: Exadata, RAC, ASM, OVM, Oracle Linux, Data Guard, RMAN, GoldenGate, InfiniBand, ZFS, OEM, KFED.

Senior Oracle DBA & Infrastructure Architect – National Critical Systems

Corporate Software

Internet und Informationstechnologie

500-1000 Mitarbeiter

  • Delivered Oracle database and engineered-systems architecture for national-scale banking, government, telecom, energy and defense environments.
  • Served as senior Oracle MCO escalation engineer for critical 24/7 production platforms.
  • Led end-to-end Oracle Exadata deployments including site readiness, OEDA configuration, compute/storage/network architecture, RAC, Grid Infrastructure and ASM.
  • Delivered Morocco's first Exadata implementation for Cour des Comptes.
  • Designed multi-site Exadata/ZFS architecture and Data Guard DR for ONEE.
  • Migrated a 7 TB production database within a controlled 24-hour window and engineered high-performance RMAN backup/recovery.
  • Architected hybrid Exadata on-premises / Exadata Cloud@Customer environments for CNSS.
  • Designed real-time GoldenGate replication for financial systems and payment platforms.
  • Delivered Morocco's first SuperCluster M8 deployment for PORTNET.
  • Implemented Oracle security technologies including TDE, Database Vault, Audit Vault, Database Firewall and FGA.
  • Designed RAC/ASM architectures on IBM Power/AIX.
  • Led critical incident recovery and senior Oracle production support for major banking and public-sector institutions.
  • Delivered Oracle Database and Exadata technical training.
Key technologies: Oracle Database, Exadata, ExaCC, SuperCluster, RAC, ASM, Data Guard, GoldenGate, RMAN, ZFS, OEDA, OEM, AIX, Oracle Security.

Zertifikate

Oracle Database Certified Professional (OCP)

Oracle

2026

Oracle Cloud Infrastructure Certified Architect

Oracle

2025

RAC implementation Specialist

Oracle

2025

Exadata Implementation Specialist

Oracle

2024

GoldenGate Implementation Specialist

Oracle

2023

Database Security Implementation Specialist

Oracle

2023

Oracle WebLogic Server Implementation Specialist

Oracle

2017

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