Freelancer profile translated to English.

Description

Linux system engineer with a proven track record in the information technology and services industry. Skilled in Linux, databases, virtualization, cloud computing, and Big Data. IT professional with a Master's degree in Business Informatics (MIAGE) from the University of Picardie Jules Verne.

Languages

French
Native or bilingual
English
Fluent
German
Conversational
Arabic
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

ACCOR
L3 Linux Systems Engineer
HOSPITALITY
February 2019 - Today (7 years and 4 months)
Paris, France
- Linux/Unix Level 3 Support
- Advanced troubleshooting, diagnostics, and problem resolution (RHEL/Nutanix/Vmware/Aws/Cloudera/SAN/Talend/Dataiku/Solaris,..)
- Deployment of Redhat Satellite 6 replacing Satellite 5
- Automation of RHEL VM installation using Kickstart and Satellite
- Management of content views/lifecycle environments/activation keys in Redhat Satellite
- Management of license allocations for Hypervisors/VMs
- Management of Red Hat and third-party repositories
- Deployment of OpenSCAP on Red Hat Satellite for compliance and vulnerability analysis on Linux servers
- Migration from Open LDAP to Red Hat IDM.
- Red Hat IDM Administration/Support
- Support for the On-Premises Talend Solution
- Migration from On-Premises Talend to Talend Cloud (AWS, Terraform)
- Support for the Dataiku solution
- Deployment of the Privitar solution for the Big Data team (AWS, Terraform, Amazon ECS).
- Documenting Operations/Monitoring/DAT procedures
- Participation in the annual PCI-DSS assessment audit (Linux Infrastructure and Authentication Lead)
- Applying security best practices on Linux infra according to PCI-DSS standard
- Management of security certificates
- Support/Administration of the Cloudera CDH cluster
- Monitoring and incident resolution on the cluster.
- Administration of HDFS, Spark, Hive, Hue, Impala, Kudu, Yarn, Sentry services
- Creation and deletion of nodes on the cluster
- Deployment of new clusters / test clusters.
- Modification of service configuration.
- Cloudera performance optimization/troubleshooting
- Cloudera cluster upgrade.
- Management of Cloudera SSL Certificates
Crédit Agricole d'Ile-de-France
Technical Operations Engineer
January 2015 - January 2019 (4 years)
78280 Guyancourt, France
Technical lead for an application scope
- Propose and implement technical and operational evolutions
- Responsible for daily change implementation
- Participates in Incident and Problem resolution
- Creates and updates documentation (DEX, Test, monitoring, instructions)
- Participates in continuous service and operations improvement (optimization, proactive suggestions)
- Validates changes, ensures change operability and consistency with existing systems
- Implements changes with technical teams in compliance with commitments, standards, and processes
- Ensures end-to-end incident resolution (including coordinating technical actions)
- Provides necessary technical information for communication
- Manages the backlog (ensures ongoing incidents are addressed daily, resolved incidents are eradicated)
- Escalates incidents based on rules provided by the IEM
- Participates in writing post-mortems
- Validates technical application documents delivered by the client and previously validated by coordination
- Implements technical evolutions, performs acceptance testing, handles packaging, and creates operational production documents for delivery to the production team
- Identifies and analyzes recurring incidents
- Proposes, implements, and coordinates changes and action plans necessary to resolve them
LEONI
Linux Systems Engineer
April 2006 - October 2014 (8 years and 6 months)
Messadine, SS, Tunisia
Administration of centrally hosted systems of information technology landscape in 2nd-level service (SAN infrastructure worldwide, worldwide storage systems, databases)
- Configuration and Administration of REDHAT ENTERPRISE VIRTUALIZATION 3.2 and VMWARE VSPHERE 5.5 virtual environments
- Build, configuration, and Administration of integration/pre-production and production platforms based on HP-UX and REDHAT Enterprise Linux
- Configuration management of various REDHAT servers with PUPPET
- Implementation and Administration of Cruise Control continuous integration servers
- Installation and configuration of application stacks (LAMP, NGINX, TOMCAT, SQUID)
- Implementation of a high availability solution based on PACEMAKER and COROSYNC.
- Administration of file systems by logical volume under HP-UX and REDHAT
- Configuration and administration of network services dns, ntp, sftp, postfix, ssh, samba, nfs
- Monitoring and system configuration of HP Proliant servers with ILO
- Setup and configuration of a Monitoring system with NAGIOS
- Development in C and ECPG under HP-UX
- Design and development of bash scripts for application deployment (RPM, gz)
- Installation, maintenance, and optimization of PostgreSQL/Informix databases
- Implementation of a HA (high availability) solution for PostgreSQL
- Backup management with HP Data Protector
- LUN management on SAN (HP Storage EVA, Hp 3PAR)
- Administration of production programs related to the electrical wire cutting environment under HP-UX (sh, C, embedded SQL)
- Interfacing and managing different electrical wire cutting machines with the ERP. (Bash, Java, JDBC / Postgres, FTP, Ant)
- Management of the cutting area (sh, DB: Postgres / Informix, GNU Make, SQL embedded in C)
- Development of deployment solutions under HP-UX. (Bash, sh, Ant, FTP)