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)

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