Alexandre Jeannier's Email Addresses & Phone Numbers

📖 Summary

[ *CONTRACTS* in Central/East London - NOT AVAILABLE until June 2016 ] Alexandre Jeannier is a high performing senior Linux engineer with over 7 years work experience in both start ups and multinational organisations. He is a strong team player, adaptable and self-starter, able to understand business requirements and create viable solutions to ensure optimum system performance. Experience in scripting, virtualisation, networking, storage and cloud technologies. Operating systems: Very extensive knowledge and daily use of Linux for 14 years, incl. Red Hat/CentOS, Fedora, Ubuntu and other Administration and configuration management: Ansible, Puppet, Chef, Redhat Satellite and Foreman Methodologies: Devops, Agile, Continuous Integration Scripting: ruby, python, perl 5, bash Networking: IPv4, routing, NIC bonding, OpenVPN, AWS VPC Virtualization: Docker, VMware ESXi, KVM, Xen, libvirt High-availability and scheduling: Red Hat Cluster Suite, Veritas Cluster Server, AWS ELB and AutoScaling, Mesos Storage and backups: LVM2, NFS, SAN, RAID, Fibre Channel HBAs, Netbackup, Veritas Storage Foundation, AWS S3 Monitoring: Nagios, Icinga2, Zabbix, Cacti (rrdtool), net-snmp, collectd Web applications: Apache 2.x, Tomcat 5-8, WebLogic 10, Nginx 1.8 Databases: SQL language, Oracle 8i/10g/11g with RAC/RMAN/ASM, good knowledge of MySQL, PostgreSQL, MongoDB and also LDAP (Red Hat Directory Server) Version control, packaging, continuous integration: Git, RPM, Jenkins, TeamCity Amazon Web Services (AWS): S3, EC2, EBS, Route53, IAM, Cloudformation Messenging: ActiveMQ, RabbitMQLinux DevOps engineer @ From June 2015 to Present (7 months) Linux DevOps engineer @ ● Cloud infrastructure automation on AWS EC2 using AWS Cloudformation, Chef and Ansible ● Design of a Mesos/Marathon cluster in order to allocate dynamically the resources for Docker images running Jenkins jobs and Lab49's software ● Setup of Jenkins/ruby jobs to allow developer to deploy/update/destroy their own servers in EC2 ● Continuous Integration using Jenkins and Teamcity in order to streamline the build, test and release process From July 2014 to May 2015 (11 months) London, United KingdomLinux DevOps engineer @ ● Administration of 200+ EC2 Amazon Linux servers (RedHat clone) using custom tools ● Development of a Puppet/Ruby solution to deploy servers on Amazon Web Services (AWS) ● Linux and JVM tuning to get the best performances at the lowest cost ● Support of the developers for their usage of the dev. tools like Artifactory/Maven/GitHub ● Configuration of MySQL & MongoDB, creation of Jenkins jobs, management of DNS entries via the Route53 API & storage via the S3 API From January 2013 to July 2014 (1 year 7 months) London, United KingdomLinux engineer @ Responsible for creating a new Red Hat-based infrastructure ● Engineering of RedHat Satellite with Python scripts ● Setup of Red Hat Directory Server (LDAP) and RHN Proxy Server ● Design of Linux standards for LCH.Clearnet ● Integration of the OS with the corporate applications (BMC Patrol, Netbackup, etc) ● Automated installation of servers with specific roles : WebLogic server, Oracle database, etc ● Linux configuration for Cisco Unified Computing System and VMware ESX 4 ● Migration of services from Solaris to Linux, and training of Solaris sysadmins ● Liaison with the Indian-based first-line support IT team From November 2011 to December 2012 (1 year 2 months) London, United KingdomLinux support for AHL dept., algorithmic trading @ ● Administering and improving the 96-nodes Linux HPC cluster ● Supporting the quantitative researchers on the Linux servers, desktops, and dev. tools ● Automating manual tasks, like building KVM virtual machines via Python scripts and libvirt ● Engineering new solutions based on Linux to monitor, configure, gather trends on the estate ● Root cause analysis with strace, crash, systemtap ● Proof-of-concept deployment of a Puppet infrastructure From April 2011 to November 2011 (8 months) Linux system administrator @ ● Administering 2000+ Red Hat servers across the world, providing application, web, database, mail, DNS, storage servers and other Linux services relevant to Markit's financial products ● Designing and engineering new Linux-based solutions including: Redhat Satellite with kickstart, Optier Corefirst, Openfire Server, Artifactory, Nagios, SVN repository, Puppet, Cacti ● Root cause analysis, liaison with vendors like Red Hat, HP, VMWare ● In-house development of a server build tracker using Ruby on Rails ● Building and managing virtualised environments with VMware ESX and KVM ● Integration of storage arrays from the hardware (HP EVA) to the Linux stack (QLogic, multipath) ● High-availability and load-balancing with Red Hat Cluster Suite, GFS 2, DRBD, and mod_proxy ● Working in team composed of 14 Linux engineers across 4 countries From October 2008 to November 2010 (2 years 2 months) Linux systems administrator @ ● In charge of of 45+ Red Hat and Solaris servers (network/backup/hardware/software) ● Installation and maintenance of the VoIP phone system (Asterisk) ● Liaising with the staff of the London office, and the New York office ● FIX-testing to check the compatibility between FlexTRADER (our app) and the brokers/clients ● Engineering of VMware Server, firewall (Cisco Pix), Samba, SVN, MySQL and PostgreSQL From June 2006 to October 2008 (2 years 5 months) Linux systems administrator and Ruby developer @ ● Linux administration of Apache, Zeus, lighttpd, MySQL, MediaWiki, subversion, Samba ● Development of a custom ecommerce solution, using PHP5, Ruby on Rails and MySQL ● Brought technical insights to the startup (a three persons team) From November 2005 to June 2006 (8 months) Exchange year : Computer networks @ Sheffield Hallam University From 2005 to 2006 DUT informatique (Equivalent of B.Sc in Computer Science) @ IUT de Vannes, France From 2002 to 2005 Alexandre Jeannier is skilled in: RedHat, Linux