Senior IT Consultant Linux / Virtualization (VMware)

Yoann Le Bihan

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Professional status
Consultant

Job/career Open to opportunities

Mobility

Luxembourg
Worldwide for short contracts

My links

Professional experience

Senior Linux Expert

Clearstream Services - Luxembourg - Luxembourg(Consultant - Since February 2011)

Missions
  • Daily administration and deployment of servers in a Red Hat Linux environment (RHEL 5.4)
  • Backup system administrator for servers in a Sun Solaris environment (SunOS 5.10)
  • Project management for IT assets inventory (OCSng-based + custom development)
  • Inventory tools deployment (Linux & Solaris servers) and customization for business needs
  • Packaging of inventory tools for Red Hat Linux deployment (RPM packages)
  • Kickstart fully automated deployment process, development of required scripts (link between OCSng's database and internal workflow's database)

Linux Expert, Virtualization Consultant

Ministère de l'Intérieur - Paris - France(Consultant - May 2010 - February 2011)

Missions
  • Deployment of new Linux environments
    - Industrial deployment of RedHat-based environments (RHEL 4 & 5) with PXE + kickstart
    - Deployment of hosting platforms based on Debian Linux
    - Management of new applications' deployment projects (planning & resource management)
  • Daily management of a thousand Linux servers hosting environment (part of a 3-people team)
    - Incident management (in priority for running environments)
    - Connection with other technical teams (storage, network, middleware...)
  • Consultant for the global virtualization project of data centers
    - VMware vSphere 4 Enterprise Plus with Cisco Nexus 1000v environment
    - Deployment, configuration and customization of ESX and vCenter servers
    - Best-practices and documentation writing
    - Microsoft PowerShell management and administration scripts development

Infrastructure Architect, Virtualization Expert

BNP Paribas - Montreuil - France(Consultant - December 2009 - March 2010)

Missions
  • VMware / vSphere 4 architecture and virtualization expertise
  • Management of an operational and technical assessment of virtualized infrastructure and delivery processes (x86 and IBM pSeries / AIX environments)
  • Technical referent on virtualization of x86 environments for the global reorganisation project of datacenters
  • Study and technical supervision of network optimization project for virtualization (Cisco Nexus 7000, 5000, 2000 and 1000v)
  • Management of virtualization projects for several internal entities
  • Full EMC SAN storage environment (zoning design and inter-rooms / inter-datacenters switching for high availability challenges, study for DRP readiness)

Linux System Engineer

Optimitel (Global Concept) - Courbevoie - France(Consultant - August 2009 - October 2009)

Missions
  • Administration of web hosting environment (LAMP, DNS)
  • Administration of ToIP servers (Asterisk, Callweaver...), load balancers (F5 BigIP), monitoring servers (Nagios, Cacti)
  • Virtualization project (VMware ESXi / vSphere 4)
  • Management of backup migration project (NetVault / TiNa)
  • Preliminary study for DRP project
  • Hitachi NAS management and upgrade project (NFS / iSCSI protocols)

PCI & IT Security Consultant - Senior Linux System Administrator

Ingenico - Neuilly sur Seine - France(Consultant - December 2008 - April 2009)

Missions
  • Security analysis of the infrastructure
  • Development and writing of PCI-DSS-compliant procedures
  • Deployment and control of PCI-DSS procedures implementation within the company
  • Technical support to production's team for deployment and administration
  • Configuration and deployment of file integrity monitoring software Tripwire

System Engineering Mission Linux

Ecritel - Clichy sur Seine - France(Consultant - December 2008 - December 2008)

Missions
  • Development of processes for Linux server administration
  • Development of administration shell scripts
  • Development of written procedures guides for international support teams in English

System Engineering Mission Linux

NYSE Euronext - Paris - France(Consultant - June 2008 - November 2008)

Missions
  • Deployment and administration of Red Hat Enterprise Linux systems (around 100 physical HP servers and 50 virtual machines powered by Xen)
  • Deployment and administration of test environments (qualification and integration) for stock-exchange quotation engines NSC and UTP
  • Software packaging and versioning for EUA and production

Development & Consulting Mission

Meteor Networks - Boulogne Billancourt - France(Consultant - January 2008 - May 2008)

Missions
  • Development of a statistical summarization tool for WiFi hotspots network
  • Survey for the Intranet rewriting project and the associated billing tool
  • Development of a modular Extranet for customers
  • LAMP environment

Consultant for ICT Global Projects

Telehouse Europe - Paris - France(Permanent contract - October 2007 - January 2008)

Missions
  • Guidelines for the development of technical "Data Storage Management" offers (outsourced data storage)
  • Support on global HA managed solution development as part of end customers' BCP/DRP (redundant networks, multisite backups, high density equipment)
  • Feasibility study on an ESX virtual machine deployment project
  • Feasibility study on a WAN deployment for value-added services (BGP4 peering with Tier-2 telcos)
  • Technical environment: EMC Symmetrix DMX-3 (SAN) + Cisco MDS 9000 switches (Fibre Channel for SAN switching)

Chief Executive Officer

Softroad - Paris - France(Permanent contract - February 2004 - October 2007)

Missions
  • Deployment of a Web hosting platform, administration, monitoring and management of dedicated servers (around 20 servers hosted in Telehouse, Redbus and OVH)
  • Development of a remote backup service called Hard Disk over Network (HDoN) in Linux and BSD environments (SFTP and rsync over SSH protocols)
  • Deployment of IP centrex solutions under Asterisk
  • Development of IVR for charged numbers (critical environment - 50k minutes per month)
  • French localization of WebDrive software and exclusive distributor in France
  • Development of an e-commerce platform for Doriane – Zalys (LAMP environment)
  • Development (LAMP) and system administration (Linux and Windows 2003) for David Argence's webring