With more than 10 years of experience in the use and deployment of Linux / UNIX systems, I am particularly interested in security and high availability problematics. I also have good skills in networks and the technical aspects of the Internet in general.

A PDF version of this C.V. is available on this link

Professional background

Currently : Freelance Network & System Engineer, Independent, Reunion Island & Montpellier

• Mission for Ubika (ex-DenyAll) : Building and maintaining IT infrastructure (firewalls, virtualization, network, ..)

2019 – 2021 : Network & System Engineer, Smile OPS (aka Alter Way, aka Openwide, aka Accelance, aka Teaser), Montpellier, Occitania

• Within the «Infrastructure» team : administration of the “lower” layers of a web hosting platform : Network, Datacenters, Servers, Storage, Virtualization, Shared services (filers, DNS, mail, VPN..)
• Administration of 3 AS : AS13273, AS16073 et AS51458, LIR, transit and IXP management, anti-DDOS
• Administration of around a hundred of switchs, thirty routers, fourty high traffic OpenBSD firewalls/loadbalancers, around 400 Linux virtualization hosts, a quarter of which in cluster
• Physical management of 3 datacenter cages and cold corridors for a total of 40 racks on various locations : Equinix PA3, Scaleway/OpCore DC2, SFR Netcenter Vénissieux, some scattered routers and hosts (PA2,PA4,IN2P3,..), and a MAN in the city of Lyon linking 6 sites

2018 (4 months fixed term) : IT & infrastructure manager, Rakuten Aquafadas, Montpellier, Occitania

• Management and evolution of production Linux systems (80 physical servers)
• Maintenance of the company’s information system and digital tools (Gitlab, CI/CD, telephony, NAS, etc..)
• Implementation of technical measures across the entire Information System to meet GDPR specifications
• Management of an IT technician for L1 support and station maintenance
• International environment (Japan/Spain/UK/France) and daily use of written and spoken english

2016 – 2018 : System Engineer, Yooda, Montpellier, Occitania

• Management and evolution of production Linux systems (300 VMs)
• Administration of web services, databases, backup, virtualization
• Deployment of source management systems and continuous deployment tools, and migration of existing systems
• Maintenance of the Information System and digital tools
• Total overhaul of DNS (with HA), LDAP (with HA) and backup infrastructures
• Deployment of TLS on all public sites and internal services
• Migration of developer stations from Windows to Debian

2012 – 2015 : Apprentice System Engineer, Syloé, Montpellier, Occitania

• Management and evolution of production Linux and OpenBSD systems (150 VMs)
• Design and deployment of virtualization platforms
• Administration of mail, web, DNS, database and backup services
• On-call duties, Supervision, Customer support

2012 (3 months) : Intern, Syloé, Montpellier, Occitania

• Study of industrialization solutions (Puppet, Cfengine)

Education background

2015 : Engineer’s Degree in Networks and Information Systems, ENSEIRB-MATMECA, Bordeaux INP

• Apprenticeship training carried out simultaneously in the Syloé company (see above)
• Networks, Systems, Security, Telecommunications, Information Systems, Programming, Electronic

2012 : University Technology Degree in Network & Telecommunications, Auxerre IUT, University of Burgundy

• Networks, Telecommunications, Systems, Mathematics, Programming

2009 : High school diploma in Sciences & Engineering, Jean Joly High School, Reunion Island Academy

Technical skills (excerpts)

• L3 Network BGP, OSPF, VRF, IP world (v4/v6), DNS, ..
• L2 Network Ethernet, VPC/MLAG, Spanning Tree, VLAN, Wifi, 802.1x
• Datacenter Cabling, fibers, cross-connects, SFP, PDU, Console servers, Server hardware (Dell, ..)
• Network OS OPNsense/pfSense, Cisco/Nexus, Brocade, Dell, Cumulus, Lancom, Mikrotik, Ubiquiti
• Server OS GNU/Linux (Debian, CentOS/RHEL, Ubuntu, ArchLinux), OpenBSD
• Firewall pf (OpenBSD), iptables, shorewall, pfSense, Cisco ACL
• HA/LB CARP/VRRP, HAProxy, relayd, pacemaker/corosync
• Virtualization Proxmox, Xen, KVM, Ovirt, VMWare, Ganeti
• Containers OpenVZ, Docker, Docker Swarm
• Storage LVM, Glusterfs, CEPH, NFS, Equalogic, Compelent, RAID
• Security TLS/openssl, certbot, DNSSEC, PGP, LUKS, VPN (OpenVPN, ipsec), RADIUS
• Database MySQL, Galera, Percona, MySQL Cluster
• Web Apache, nginx, Tomcat, php-fpm, Squid, Matomo/Piwik
• Mail Postfix, Dovecot, Sieve, DKIM, Roundcube, Zimbra
• Supervision / Metrology SNMP, LibreNMS, rancid, Centreon, Shinken, collectd, Zabbix
• IT OpenLDAP, Samba, AD, BackupPC
• Languages Bash, Python, PHP, JS, SQL, C
• Dev / CI/CD / Indus Git, Git flow, Gitlab, Gitlab CI, Ansible, Puppet, SVN

Languages

• French : Native language
• English : Fluent (TOEIC: 990 / numerous travels / professional experience)
• Spanish : Basic

Hobbys & passions

• Scuba diving, Free diving, Paragliding, Motorcycling, Skiing, Windsurfing
• Photography, Travels, Hiking, Nature
• Free software, Electronic, Drone building and piloting