Responsabilities :

  • Administer production platforms: Maintain the operational condition of servers, storage, backups, networks, cloud, IPBX, SBC, and all the company’s IT infrastructures.
  • Ensure technological watch and system infrastructure security.
  • Contribute to defining and maintaining infrastructure and system standards.
  • Lead equipment and infrastructure upgrade projects.
  • Participate in implementing solutions chosen by the IT department.
  • Engage in consultations and supplier selection.
  • Oversee project execution, implement changes, and supervise supplier work.
  • Conduct compliance tests for implemented changes.
  • Manage the evolution of WAN (SD-WAN) and telephony (VOIP/TOIP cloud) services.
  • Create precise reporting for your hierarchy.
  • Optimize the telephony network (quality measurement, design, and management of interconnections).
  • Ensure the proper functioning of the implemented telephone system.
  • Recommend and apply new VOIP technologies suitable for OZEOL’s needs.
  • Handle incidents and intervention requests raised by the support team.
  • Keep infrastructure documentation and event logs up to date.
  • Provide Level 2 and Level 3 support for IT infrastructure.
  • Master information system and network security (TCP/IP, Routing, Filtering, VPN, etc.).
  • Use monitoring and performance management tools.
  • Manage identification tools (LDAP, radius, Active Directory, etc.).
  • Participate in the implementation and operation of BCP (Business Continuity Plan) and DRP (Disaster Recovery Plan).
  • Draft and validate specifications.
  • Write procedures and update documentation references.
  • Certifications such as Fortinet NSE4 or higher, Microsoft MS-900, or MS-500 are an asset.


With an engineering background in IT or Telecommunications, you have significant experience in deploying system infrastructure solutions in the following technical environments:

  • Systems (Windows Server, Linux, CentOS, PowerShell, Active Directory)
  • Microsoft O365 applications (Exchange, OneDrive, SharePoint, Azure AD, AD Connect, etc.)
  • Virtualization (VmWare, ESX, VSAN, Cluster)
  • Backup (Veeam Cloud Connect, Veeam Cloud Director, Veeam Backup)
  • Storage (Storage arrays, NAS servers, SAN, etc.)
  • Databases (SQL Server, MySQL, MariaDB, Sybase, Oracle)
  • Firewall (Fortinet, Cisco ASA)
  • Advanced Network (LAN, WAN, WIFI, Routing, Encryption, Certificates)
  • Telephony (IPBX, SBC, TrunkSIP, Asterisk, Codec, SIP, RTP protocols)

Job Category: IT
Language: English French
Location: Tunisia


Welcome to Ozeol

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