Yoann Le Bihan
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Professional experience
Senior Linux Expert
Clearstream Services - Luxembourg - Luxembourg(Consultant - Since February 2011)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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
Chief Executive Officer
Softroad - Paris - France(Permanent contract - February 2004 - October 2007)
- 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
Education
Evening classes and e-learning courses
CNAM / EICnam (January 2008 - June 2010)
Multimedia & Networks DEUST
Université Panthéon Assas (Paris II) (September 2004 - June 2006)
Skills
Certification
- VMware Certified Professional (VCP)
Systems
- Server OS: Linux (RedHat / RHEL 4.* & 5.*, Debian Linux, Ubuntu Server), *BSD, IOS. Basics in Sun Solaris
- Client OS: Linux (Ubuntu Desktop, Debian Linux), Windows XP/Vista/7, *BSD, Mac OS X
- DB: MySQL, PostgreSQL
- Mail servers: Postfix, Qmail
- Backup: rsync, NetVault, Time Navigator
- Monitoring: Nagios, Cacti, MRTG
- Systems' security: Tripwire, sshd, iptables (firewall)
- Application servers: Apache, Bind, PowerDNS, inetd / xinetd
- Versioning: subversion (svn), CVS
- Microsoft: basic knowledge of Windows Server 2003 / 2008, SBS 2003, IIS, SQL Server, Exchange and Active Directory
Networking
- Network technologies: Ethernet (802.3*), WiFi (802.11a/b/g/n)
- Protocols: TCP/IP stack (IP, TCP, UDP, ICMP)
- Switching: 802.1q, VTP, CDP, STP (spanning tree)
- Routing: BGP, RIP, OSPF, IGRP/EIGRP, IS-IS
- Redundance and Load Balancing: VRRP, GLBP, F5 BigIp
- Virtual Private Networking: IPSec VPN, MPLS VPN, SSL VPN
- Protocols (at application level): DNS, HTTP / HTTPS, SMTP, POP, IMAP, SSH, Telnet
- ToIP: Asterisk, Callweaver, OpenSIPS (was: OpenSER), SIP and MGCP protocols, QoS management
- Cyphering: symetric (DES/3DES, Rijndael/AES, IDEA/PGP, Blowfish), asymetric (RSA) and hash (MD5, SHA-1)
- Virtualization: vSphere 4 (ESX / ESXi), vCenter 4, Xen, KVM, Virtual Box
Software Development
- Tags-structured languages: HTML/XHTML, XML, CSS, XSL/XSLT, YML
- Script languages: PHP (advanced level), Linux shell scripting (Bash). Basics in Python, Perl and Microsoft PowerShell
- Compiled languages: C, Java. Basics in Object Pascal (Delphi) and .NET (VB, C#)
Other
- Fluent English and French
- Basic knowledge of Russian
- Excellent interpersonal skills
