# Benjamin Gentil

Career Path

02/2018 Today - Systems Administrator @ Infomaniak Network SA

Apache/PHP/MySQL webhosting platform (home-made PaaS, ~200k websites):

• Design and implementation of a PaaS using kubernetes operators in python/go.
• Maintenance of ~5k debian machines using puppet, ansible and debian packaging (fix backports, packages for internal tools/api).

DNS platform (home-made DNSaaS, ~1M zones):

• Maintenance of multiple mission-critical bind clusters serving authoritative zones for all domains (infomaniak + customers).
• Setup/Maintenance of highly-available unbound recursive DNS servers serving ~10-20k req/s.

Advanced (L4) support for both platforms.

02/2014 02/2018 - Systems Engineer @ Safe Host SA

Design, deployment, maintenance & support of:

• tailor-made customer solutions (mainly RHEL/Centos systems on VMware vCenter, vSAN, ESXi infrastructures).
• a private cloud product based on Openstack.
• internal linux systems/services using ansible, this includes a highly-available monitoring system (shinken), a gitlab instance, an authoritative bind cluster.
• a highly-resilient monitoring solution to monitor/alert and keep history of every sensors in all SafeHost datacenters (~1M metrics targeted, implementation in python with zabbix, influxdb, grafana running on Openshift (kubernetes)).

04/2012 11/2013 - Production Manager @ Moobifun

Conception, development, administration & support of value-added USSD & SMS services for West Africa telecom operators (Tigo, Orange, MTN). Deployment & administration of a hosting platform (private cloud).

Grails Groovy XEN ESXi Pfsense CentOS Systems Engineer Developer

01/2008 04/2012 - System & Application Engineer @ Sicap France (Swisscom group)

Administration, development & support of a hosting platform that provides turnkey solutions for telecom operators such as Bouygues Telecom, Orange, Meditel, INWI...

Shell script PL/SQL Solaris 10 Nagios Centreon Systems Engineer

10/2007 12/2007 - Hosting Engineer @ Caliséo

Existing hosting platform recovery, reorganisation & optimisation.

Windows server 2003 Linux Solaris 10 Systems Engineer

09/2005 09/2007 - Student Developer @ Softpro

Industrial software development & maintenance. GUI development for a test environment that validate RPR equipments in nuclear power plants (Areva)

Windows 2000 C/C++ Visual Basic Developer

Training / education

2017 RedHat Certificate of Expertise in Ansible Automation

2017 RedHat Certificate of Expertise in Containerizing Software Application Development

2015 RedHat Certified Engineer (RHCE)

2015 RedHat Certified System Administrator (RHCSA)

2015 Mirantis Certified Administrator for OpenStack (MCA200)

2011 Oracle 11g Tuning

2009 Oracle 10g Administration

2008 Mysql Administration

2007 Cisco CCNA1

2007 BTS Computing & Network for Industry & Services

2005 BAC STI Electronic