Senior Database Engineer | Oracle | PostgreSQL | SQL Server | Linux
π 8+ years of experience in database administration, production support, and performance troubleshooting π Experience in multinational, enterprise and customer-facing environments ποΈ Supporting 500+ databases across 4 customer environments βοΈ Focused on Database Performance, High Availability, Backup & Recovery, Incident Management, Linux & Automation π Actively deepening my expertise in PostgreSQL and the open-source database ecosystem
- Oracle β RAC, Data Guard, RMAN, AWR, ASH, SQL Tuning
- PostgreSQL β Administration, Troubleshooting, EXPLAIN, EXPLAIN ANALYZE, SQL Optimization, Backup & Recovery
- SQL Server β Administration, Performance Analysis, High Availability, Troubleshooting
- Red Hat Enterprise Linux, SUSE Linux, Ubuntu, Unix
- Shell / Bash scripting
- Ansible & AWX
- Database and infrastructure automation
- Grafana
- Prometheus
- Centreon
- Oracle Enterprise Manager
- Performance analysis
- Root Cause Analysis (RCA)
- Production incident management
France | 2024 β Present
Customer-facing database engineering and production support across 4 client environments and 500+ databases, working with Oracle, PostgreSQL and SQL Server.
- Production database administration and troubleshooting
- PostgreSQL performance investigation and SQL optimization
- Query analysis using EXPLAIN / EXPLAIN ANALYZE
- Database backup, restore and recovery
- High availability and production operations
- Incident and problem management
- Root Cause Analysis
- Linux troubleshooting
- Automation using Ansible, AWX and Shell
- Collaboration with application, infrastructure and engineering teams
Tunisia | 2018 β 2024
Built my foundation as a production DBA within Ooredoo Group, an international telecommunications organization.
- Administration of critical 24/7 Oracle production environments
- Oracle RAC and Data Guard
- Performance analysis using AWR and ASH
- SQL tuning and execution plan analysis
- Backup, restore and recovery
- High availability and disaster recovery
- Production incident troubleshooting
- Database migrations and upgrades
- Collaboration with application, infrastructure and operations teams
Automated Linux security auditing, hardening checks and report generation.
SQL Server Infrastructure Audit
Database infrastructure auditing toolkit for SQL Server environments.
- Oracle Cloud Database Services 2025 Certified Professional β 2025
- Oracle Autonomous Database Cloud 2025 Certified Professional β 2025
- Oracle Cloud Infrastructure 2025 Certified Foundations Associate β 2025
- Oracle Data Platform 2025 Certified Foundations Associate β 2026
- Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate β 2026
- Red Hat Certified Engineer (RHCE) β 2023
- Red Hat Certified System Administrator (RHCSA) β 2023
- Red Hat Certified Engineer in Ansible β 2023
- Red Hat Certified Advanced System Administrator in Ansible β 2023
- Red Hat Certified Developer in Cloud-native Applications β 2023
- Red Hat Certified Specialist in Containers β 2023
- Microsoft AI Skills Fest 2026 β 2026
- Red Hat Certified Instructor (RHCI) β 2023
- PostgreSQL internals and advanced administration
- PostgreSQL High Availability & Replication
- PostgreSQL WAL, Backup & Point-in-Time Recovery
- PostgreSQL ecosystem and open-source tooling
- PostgreSQL performance tuning
- Cloud database platforms
- Kubernetes & cloud-native database infrastructure
- πΌ LinkedIn
- π§ mouadh.aboud@gmail.com
Senior Database Engineer | PostgreSQL | Oracle | SQL Server | Linux | Automation | Production Support