System and Infrastructure Engineer

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.

Qualifications

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 Apply

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