Nicolas Lienard

Background

About Nicolas Lienard

IT specialist - with +20 years of extensive experience within Hosting World / Managed Services. Passionated in open source technologies, and Linux user since 1996. First computers : ATARI 520 STF & Commodore C64.* Good skills in communication, customer facing,* Experience mapping technical solutions to the business problems,* Good skills in managing/leading/coaching a team,* Good skills in administrating, tuning, breaking and fixing *nix based systems,* Good skills in automation, monitoring and provisioning,* Perl, Shell development,* High availability and scalability,* Hosting best practices (itil),* Recruitment and training of confirmed and senior engineers,* Strong operational experience in 24/7 runtime teams,* Open source enthusiast and supporter,* Concerned with security,* Redhat certified engineer #805010822156242.* Fast learner, strong Google-fu. Technical Specialities: GNU/Linux (Redhat and Debian based distributions)/ FreeBSD / Solaris Web oriented services: Apache, PHP, Java applications servers Database : MySQL expert / PostgreSQL / Oracle knowledge Storage: CEPH, LVM, DRBD, ZFS, Netapp, EMC clariion, Brocade, HP, SUN Mail: Postfix, Sendmail, Exim Shell scripting, Perl, PHP Monitoring/Alerting (Xymon, Nagios, Cacti, MRTG, cricket) Automation / config management : Salt, Puppet, Rundeck Virtualization (Vmware ESX/ESXi, Jail Freebsd, zone Solaris, LXC/LXD) Internet protocols and strategies. Network: Good knowledge: pf, iptables, ipf, F5 BigIP. Fundamentals: switch, router, firewall Cisco, Checkpoint. Understanding of the OSI model, tcp / ip, udp, icmp. Applications specific VLANs, NAT, VPN (openvpn, ipsec) Hardware: HP Proliant DL, Sun Sparc. Solid experience in Ceph cluster with KVM virtualization.