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Automatically translated from French. View the original offer
System Administrator — Orange CI
Orange CI recruits a System Administrator whose main mission is to set up and administer operating systems within the Roaming Center (ROC).
Duties
The incumbent participates in the installation, deployment and interconnection of system infrastructures and IT equipment necessary for the Roaming Center’s activities. It installs, configures, administers and maintains the operating systems, servers and applications associated with the production environment. It ensures the availability, stability and smooth operation of systems and technical platforms supporting ROC services.
It monitors system events, analyzes operating logs and provides traceability to detect anomalies and facilitate their resolution. It monitors systems monitoring tools and uses alerts to anticipate incidents and limit service interruptions. It also monitors the proper functioning of backup mechanisms, checks data availability and contributes to restore tests.
In terms of security, it ensures the application of system security measures, including access management, security updates and compliance with rules defined by the Directorate of the Information System concerned. It plans and carries out maintenance operations, updates, release upgrades and decommissioning of servers in accordance with procedures and service continuity requirements. It updates the technical documentation of systems, configurations and operating procedures.
Maintenance and evolution of system infrastructures
It measures, analyzes and optimizes the performance of systems and servers to ensure their availability and operational efficiency. It diagnoses, treats and resolves system incidents, identifies their root causes and implements appropriate corrective and preventive actions. It tracks recurring incidents, obsolescence and vulnerabilities, and alerts affected parties to risks that may affect security or service continuity. He participates in problem management and continuous improvement actions aimed at strengthening the reliability and resilience of system infrastructures.
He takes care of the technical activities related to new systems projects, from the analysis of needs to the commissioning of solutions, and participates in the work of installation, configuration, parameterization and technical validation of new infrastructures and solutions. It contributes to the evolution of system environments, in particular virtualized infrastructures, depending on the technologies used within the ROC. Finally, it ensures the technical deployment of applications developed by or for the ROC to other entities of the Group, in coordination with the IT Project Manager: production start-up, environment management (DEV/UAT/PROD).
Candidate profile
Training: BAC+4/5 in Computer Science, Networks & Telecommunications, or equivalent field.
Experience: At least 2 years of experience administering Linux/Unix or Windows systems in a production environment. A first experience in a virtualized environment (VMware, OpenStack, Kubernetes) or in a telecoms/roaming context would be highly appreciated.
Knowledge: knowledge of environments and operating systems (Linux/Unix, Windows); knowledge of virtualization technologies and tools (VMware, Red Hat EV, OpenStack, OpenShift, Kubernetes, etc.); knowledge of databases (Oracle, MySQL, PostgreSQL, SQL Server...); ability to analyze and prevent events in IT environments.
Know-how: responsiveness and availability; rigor and organization; analytical and synthesis; relational and team spirit.
Languages: This position requires a good level of oral and written English.
About the recruiter
The Orange Services Group (GOS) is a pooling entity in the Africa and Middle East region, created in 2011 with the support and participation of Orange SA and Orange subsidiaries in West and Central Africa. The GOS aims to be the privileged recipient of shared systems and PFS in the MEA area, the Cloud Provider of reference and preferred partner for digital transformation, as well as the reference manager of centers of expertise in the MEA area.
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