Matthieu Serrepuy

Linux System Administrator - Cloud and Automation oriented

Objectives

I'm a multi-skilled system administrator, with a strong background on automation (with puppet, chef and my home made bash and python scripts).

Full stack profile, from the infrastructure (SAN, Hypervisors, datacenter management) to the app level (python, php) with a lot of experience of building and managing high traffic application middleware (web servers, caching, load balancers...) 

I'm a new technology fan and a technical challenge oriented person, I've got a strong experience in technical support and IT problem analysis and resolution.

MY SKILLS :

  • Servers administration
  • Bash and Python Scripting
  • Cloud Computing Architect and administrator (Cloudstack, AWS)
  • Configuration Management and automation tools
  • Databases administration

Skills

Cloud Computing

Amazon Web Services

  • EC2
  • S3
  • Cloudfront
  • Cloudformation
  • RDS
  • IAM
  • VPC
  • Amazon API (python script with boto or CLI)

Apache Cloudstack

  • Build and manage private clouds using Apache cloudstack

Openstack

  • Obkect storage swift

Configuration Management tools

Chef

Puppet

 

Virtualization

Xen Servers (6.0 to 6.2) (experience : 3 years)

  • Installation
  • Management
  • Troubleshooting
  • Patching
  • HA maintenance

VMWare

Web application Architecture / Operation

Application Servers (Installation,  configuration, administration, monitoring)

  • Oracle Application Server  9i et 10g ( 10.1.3 )
  • JBoss (5.1GA)
  • Oracle Weblogic Server : Weblogic  10.3.3
  • Tomcat

Webserver

  • Apache
  • nginx

Centralise management / reporting / logging

  • Configuration and creation of reports and monitoring with Oracle Grid Control
  • Advanced knowledge on operation / archtecture of Oracle Grid Control and user defined metric creation
  • central log management with logstash + graylog

Misc

  • JMX, RMI, Jconsole, VisualVM
  • Performance, Architecture
  • HA with corosync + pacemaker

 

Linux / Unix Systems Administration

Servers / Operating System:

  • RedHat RHEL and Centos (experience: 6 years of servers operation)
  • Ubuntu 12.04 and 14.04
  • Windows Server (Server 2003 to 2012) - (experience: 4 years)
  • AIX 6.1 (experience: 1 year)

Scripting :

  • Advanced scripting for automation and backend (bash, python)
  • Frontend development (HTML, CSS, PHP, Javascript)

Servers management :

  • Chef (experience: 3 years of cookbooks development)
  • Puppet (experience: 1 year)

 

Databases

Mysql

  • Installation / Configuration
  • Daily operation
  • Backup and restoration (using xtrabackup)
  • Clustering (Galera using percona cluster)
  • Replication
  • Performance

NOSQL

  • Mongodb
  • Elasticsearch

ORACLE BDD 10g, 11g

  • Installation / Configuration
  • Daily operation
  • Backup / Restoration (RMAN)
  • Materialized view replication
  • Performance

Knowledge in PostgreSQL

  • Installation / Configuration
  • Daily Operation

 

Storage

  • DELL equalogic
  • Solidfire

Professional Experiences

Technical Lead - Infrastructure

CloudOps

Since September 2013
Montreal - Canada

As the Technical Lead - Infrastructure, I am in charge of CloudOps' customers infrastructure :

  • Hypervisors (XenServers)
  • SAN (DELL Equalogic + Solidifire)
  • Backup infrastructure
  • Monitoring
  • Cloud customers architecture (in AWS)

 

Also under my responsability, as part of the operation team:

  • Automation development to improve Operation team efficiency (chef cookbook + scripts development)
  • Validation of major changes on CloudOps and customers infrastructure
  • New tools implementation :
    • log management (logstash + graylog)
    • Password management
    • Identity management
  • Level3 technical support (SAN, hypervisors, OS, middleware)

 

 

Information Systems Analyst

Cloudops

From August 2012 Till September 2013
Montréal - Canada

Implementation Specialist - Linux.

Expertise in Linux and web operations.

* Day-to-day monitoring, troubleshooting, and maintenance of Cloud and Web operations environments running on Linux.

* Bash/Python scripting in order to automate customers processes

* Chef: Configuration Management tool. Develop and install chef cookbooks to deploy customers infrastructure

* Infrastructure Virtualisation with Xen Server

 

J2EE Cloud Technical Architect

Oxylane (DECATHLON)

From May Till August 2012
Villeneuve d'Ascq - France

Creation of a new J2EE applications hosting platform using cloud computing with EC2 Amazon solution :

  • Technical Architecture
  • Platform installation (Apache + Tomcat + PostgreSQL)
  • Storage with Amazon S3
  • CDN with Amazon CLoudFront ( for data access around the workd)
  • Definition of best practices for java developpers and Amazon API usage
  • Monitoring, backup and operation procedure 

 

 

Linux sysadmin and Oracle Database Administrator

Oxylane (DECATHLON)

From January 2011 Till May 2012
Villeneuve d'Ascq - France

Creation of a new operation team located in Shanghaï.

Technical responsable for J2EE Application Hosting in Oxyalne.

Components:

  • Operating System : RedHat RHEL 4u6, 4u8 and 5u4, AIX 6.1
  • HTTP Servers : Oracle HTTP Server 9i and 10g, Apache
  • Application servers : Oracle Application Server 9i and 10G, Jboss, Weblogic
  • Databases : Oracle Database 10g and 11g, MySQL

Main obejctives :

  • Help in recruting new team members in Shanghaï
  • Train 4 new comers
  • Integration process creation
  • Last level technical support on Application servers / Oracle Database
  • Databases migration  from Linux to AIX (and from 10g to 11g)
  • Virtualisation of our production HTTP and application servers 
  • Financial management of our platform (4M€ of internal billing)

 

Linux sysadmin and Oracle Databases administrator

Oxylane (DECATHLON)

From June 2010 Till January 2011
Villeneuve d'Ascq - France

Management of the out-sourced company in charge of our operation

Technical responsable for application hosting in Oxylane.

 

Components:

  • Servers : RedHat RHEL 4u6, 4u8 and 5u4
  • HTTP Servers : Oracle HTTP Server 9i and 10g, Apache
  • Application Server : Oracle Application Server 9i and 10G, Jboss, Weblogic
  • Databases : Oracle Database 10g and 11g, MySQL

Main objectives :

  • Out-sourced company relationship
  • Last level technical support on application servers and Oracle databases
  • Financial managment of our platform (4M€ of internal billing)

 

System Engineer

IPSOFACTO, IT Services

From February Till October 2008
San Francisco - United States

IPSOFACTO (http://www.ipsofacto.info) is an IT outsourcing company of downtown San Francisco specialized on small and middle company (from 1 to 200 employees).

- Daily support for our clients

- Installation, monitoring and troubleshooting of Microsoft Windows Small Businnes Servers

- Installation, monitoring and troubleshooting of Cisco routers

- Deployment of a managed services solutions (www.kazeya.com)

- Creation of a virtalized platform to host our client servers (WMVare ESX)

Linux sysadmin

Oxylane (DECATHLON)

From December 2008 Till June 2010
Villeneuve d'Ascq - France

System administrator, mostly Application Servers oriented

Components :

  • Servers : RedHat RHEL 4u6, 4u8 and 5u4
  • HTTP Servers : Oracle HTTP Server 9i and 10g, Apache
  • Application servers : Oracle Application Server 9i and 10G, Jboss, Weblogic

Main objectives :

  • Technical support on application servers
  • Documentation of internal usage of JBOSS 5.1GA and Weblogic

 

Personal Interests

Misc

  • Plex (Media Center) - Channel developper
  • Github : https://github.com/lotooo
  • Travel
  • Role Playing Game
  • Video Game (Diablo 3)

 

 

Sports

Fencing

Bowling

Hiking

Educational Background

AWS Certified SysOps Administrator - Associate

 

February 2015
Canada

ITIL Foundation

 

November 2014
Canada

Master degree in Network and System Administration

TELECOM Lille 1

June 2008
Villeneuve d'Ascq - France

Languages

French

Native language

English

Fluent

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