Khaled Ben Naaman

Red Hat Linux Expert certified with strong Red Hat Satellite expertise, consulting for large companies and public organizations (GRDF, RATP, ENEDIS, City of Paris, etc.) on complex critical infrastructures. Specialization in the transformation, security, and automation of large-scale Red Hat Enterprise Linux environments. Red Hat Satellite Administration: Deployment, migration, and management of Satellite 6, configuration of patch management and compliance for multi-server infrastructures. Technical Consulting and Expertise: Strategic support on Red Hat technologies (RHEL, Satellite, Insights, Ansible (AAP), IDM, etc.) for infrastructures with thousands of servers. Transformation Projects: Migration of legacy ecosystems to RHEL, modernization of aging infrastructures (CentOS, Ubuntu, Debian to RHEL). Security and Compliance: Implementation of ANSSI-BP-028 security compliance via SCAP, system hardening according to government standards. Advanced Automation: Deployment and optimization of Ansible/AWX/AAP for infrastructure automation and zero-downtime deployments. Specialized Support: Level 3 expertise on critical environments, complex problem-solving, continuous improvement of Linux ecosystems.

SRE Engineer at the leading Parisian urban transport company, responsible for the reliability and performance of strategic IT infrastructure. Management of a Linux/AIX hybrid environment for critical 24/7 services and support for transformation towards a modern architecture. Administration of Linux VMs (CentOS 6-7/Debian) and AIX servers. Hardening of Linux VMs and application of security standards. Management of VMs under VMware vSphere/VMware vCloud Director. Administration and replication of PostgreSQL databases. Firewall and infrastructure security management. Setup of Foreman (Red Hat Satellite) and VMware provisioning. Migration of Informix databases from AIX to Linux. Automation of administration processes (Ansible and Bash scripts). Docker support for development teams. Incident processing and proactive monitoring via Centreon/Datadog.

Technical expert and Red Hat project coordinator for an IT service company specializing in open-source infrastructures. Responsible for the development and management of the Red Hat expertise center, supporting major clients in adopting Red Hat technologies. Creation and management of the Red Hat technical pole to strengthen the partnership. Management and coordination of Linux/Ansible projects with multiple teams. Technical support and consulting for the Competence Center for clients in various sectors. Implementation of Red Hat project management processes (RHEL, Satellite, Ansible, Tower). Development of technical processes for recruiting Red Hat experts. Lead Linux/Ansible projects in close collaboration with clients.