Cédric Le Men

Systems, storage, and network engineer

Administration and operation of MBVSI's "key accounts" infrastructure in terms of systems, storage, and networks. Technical management of the operations team.

- Operating system installation and configuration

- Application installation and maintenance (LAMP, PostgreSQL, Oracle, SAP Hana).

- Deployment automation with Puppet/Foreman

- NetApp NAS (operation, backups, data replication)

- Nexenta NAS (installation, update, operation, backups, data replication)

- Veeam Backup & Recovery

- Windows Server Operation (Windows 2003/2008/2012/2016/2019/2022)

- VMware ESXi 5.1 to 8

- Management via Vcenter and Operations Manager

- Cisco ASA, Fortigate Firewalls

- Cisco Catalyst, Arista Switches

- Monitoring: Zabbix

- Incident Management: RT

- On-call 24/7

- IT infrastructure migration project management

- Operations team management and training

- Disaster recovery plan implementation

- Procedure writing

Systems Administrator

Administration of Linux/UNIX and Windows systems within GRITA, a company specializing in medical data hosting.

- Operating system installation and configuration

- Application installation and maintenance (LAMP, PostgreSQL, Oracle).

- Active Directory domain management

- Exchange 2003 messaging

- VMware ESX 4 and 5

- Management via Vcenter

- IBM VIOS

- Oracle 10G and 11G: installation, database management

- Administration via Grid infrastructure

- SQL Server: database installation and administration

- MySQL v5

- PostgreSQL v9

- Database backup and restore management

- Monitoring: Nagios/Centreon

- Inventory and incident management: GLPI / OCS inventory

- Cisco Firewalls and switches

- Storage: DELL Equalogic SAN

- DELL and IBM Servers

- On-call 24/7

- IT infrastructure migration project management

- Backup management: Arcserve v15

Systems administration mission within Orange France

Currently at the Orange France Services Operations Directorate. Mission to operate mainframes and servers hosting voicemail for mobile phones (28M clients), landlines (7M France Telecom clients), and visual voicemail (iPhone clients).

- 12 VSE500 type platforms distributed across 8 sites in France

- IP and X25 network interconnections (Orange mobile and France Telecom networks)

- Daily checks, alarming management

- OMS/imap/proxies architecture

- MySQL, SQL Server client databases

- Daily checks, alarming management

- Active Directory domain management

- Application servers connected to mainframes: provisioning servers, CFT transfers, X25 gateways, voice recognition (Telisma), customer service applications.

- Multi-environment technical analysis, customer impact assessment

- Coordination of Orange and France Telecom teams

- Corrective actions

- Reporting

- Level 4 customer support for Orange and France Telecom network clients, partly in conjunction with Orange's European supervision in Bulgaria.

- Operations project management: server updates, server virtualization

- On-call 24/7

- Platform sizing evolution

TECHNICAL ENVIRONMENT:

- SYSTEMS: MCP UNISYS, AD 2003, LINUX (REDHAT BASE)

- CLIENT OS: WINDOWS NT4/2000/XP

- APPLICATIONS: VMWARE

- MONITORING TOOLS: HPOV (WINDOWS), BMC PATROL