Stephane VALLIER

About Me

Technologies enthousiast and particularly about the Open Source world, I'm specialized in systems & Cloud engineering with a DevOps philosophy.

I especially interested by high availability technologies focused on performance and scalability.
My experience and my curiosity allow me to adapt quickly to all types of contexts and to quickly master the most complex architectures.
Rigorous and pragmatic, I have a global vision allowing rapid technological developments in line with the security of tomorrow.

Experiences

Joining Sodexo Cloud Center of Excellence team as a DevOps Engineer to participate in the improvement of the development frameworks and automate templates/Extensions to increase product catalog allowing to projects teams to deploy "Sodexo compliant" assets through a private Azure Market Place

Environments / Technologies : Azure, Azure DevOps, Kubernetes...
Methodology : Agile Scrum
Languages : ARM, Bicep, PowerShell...

As a DevOps engineer, i automated the deployment of the Architecture of DataHub platform composed of 100% PaaS resources, built the CI/CD pipelines of data transformation assets to automate developments delivery, and participated to the global Monitoring strategy.

Finally, i set up some automated process workflows allowing to approve data accesses then developed FinOps solutions.

Environments / Technologies : Azure, Azure DevOps, PowerBI, Azure SQL DatawareHouse, Azure Databricks, Azure DataFactory, Azure Automation, Event Hubs...
Methodology : Agile Scrum
Languages : ARM, PowerShell, Python, Scala

As a DevOps Engineer i designed the architecture of an internal production tool to provide improve availability & increase productivity

The "Anakà page tracking software is a pre-press tool used for page management and tracking (94,000 pages processed in 2018). This essential application for CA|com production services was docked in 2017 on a single host and did not benefit from any HA optimization. The project therefore aimed to deploy the application in a Swarm cluster, to set up Continuous Integration, to provide storage persistence and to set up access management to the different stacks using portainer solution

Environments / Technologies : Linux Debian, GitlabCI, GlusterFS, Docker, Ansible, VMware
Methodology : Agile Scrum

I joined Aristid (formerly called CA|com) as Infrastructure Engineer to build, manage & support the infrastructure services that underpin all internal user services and public services using the SaaS Software solution CA|Omnipublish

Environments / Technologies : VMware, Docker, Docker Swarm, Portainer, GlusterFS, Simplivity, LAMP Architectures, Apache, MySQL Clusters, HAproxy...
Methodology : Agile Scrum
Languages : Bash, PowerShell

Developing and implementing infrastructure systems, solutions, and policies and influence outcomes in enterprise data center, network, telephone systems, operating system administration, applications, end-user systems, and related services

Environments / Technologies : VMware, AVAYA communication solution, CRM Salesforce, Linux, Windows

As Infrastructure Administrator, my responsibility was about installing and configuring new systems and applications, including operating systems, databases, web servers, and other infrastructure components.

Environments / Technologies : Unix SCO, Linux RHEL, Linux RHCS Clusters, VMware Clusters

As a System Technician, i had to ensure the support, the systems administration & monitoring, the deployment & migrations initiatives

Environments / Technologies : Unix SCO, Linux RHEL, PostgreSQL Databases

Education

Interests

Technical meetups / events
REX Exchanges

International exchanges

Running / trails
Working out
Cycling

Skills

Azure DevOps

Advanced
Gitlab CI

Good
CircleCI

Good
IaaC (ARM / Bicep)

Good
Git

Good
Méthodes agiles (SCRUM)

Advanced
Ansible / Ansible Tower

Good

Azure Boards

Advanced
Microsoft Dynamics

Good
CRM Salesforce

Good
Jira

Good

Microsoft Azure

Advanced
Amazon AWS

Notions
OVH

Good

VMware vSphere / vCenter

Advanced
Microsoft hyperV

Notions
Docker / Swarm Clusters

Advanced
Kubernetes / AKS

Good

LAMP Architectures

Advanced
Debian / Ubuntu / RHEL

Advanced
Windows Server

Good

Veeam Backup & Replication

Advanced
SureBackup / SureReplica

Advanced
Arkeïa

Good
Azure Backups

Advanced

RHCS

Good
KeepAlived

Advanced
HAproxy

Advanced
proxySQL

Advanced
Træfik

Intermediate

Apache

Good
NginX

Intermediate
IIS

Notions

MySQL

Good
PostgreSQL

Good

Azure Log Analytics

Good
Nagios / centreon

Advanced
MonYog

Good
Semonto

Good
Munin

Good

EMC VNX

Good
HP MSA

Good
NAS/DAS

Good
Distributed (GlusterFS)

Good

WAF (Apache Modsecurity ; Imperva solutions)

Advanced
Qualys

Good
Kali

Intermediate

LAN : TCP/IP, DHCP, DNS, WINS, VLAN

Good
WAN : Routing, Proxy, VPN/PPTP, DMZ

Good
Firewalling (Soekris, Netasq, CISCO ASA...)

Good

bash

Advanced
PowerShell

Advanced
Python

Notions

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☁️ DevOps Cloud Engineer ☁️

CosmOps Founder | Cloud DevOps Consultant

Cloud DevOps Engineer on behalf of Stime

Cloud Architect on behalf of CAcom

Infrastructure Architect

Information Systems Manager

Infrastructure Administator

Systems Technician

Kubernetes Administration

Smile - Asnières

Docker Advanced

Alter Way - Clichy

AVAYA Systems

DL Santé - Issy les moulineaux

MCSA Microsoft Windows Server 2012R2

Global Knowledge - Rueil Malmaisons

BEP Electrotechnique

Lycée Maximilien Perret - Alfortville

Technicien de maintenance (Titre homologué de niveau III)

GEFI - Créteil

Technical interests

Social

Sports

DevOps

Project Management

Public Cloud

Virtualization

Infra / Systems

Backup

HA / Load Balancing

Front

Databases

Monitoring

Storage

Security

Network

Langages