Stephane VALLIER
☁️ DevOps Cloud Engineer ☁️
38 years old
Driving License
Professional Status
Freelancer
Just looking around
About Me
Technology enthusiast with a strong specialization in Systems and Cloud Engineering guided by a DevOps philosophy.
I am particularly passionate about designing and implementing Cloud solutions that drive productivity and security. My experience and natural curiosity enable me to adapt quickly to diverse environments and rapidly master even the most complex systems.
Highly rigorous and pragmatic, I combine a strategic mindset with a hands-on approach, providing a global vision that ensures technological advancements are aligned with the security challenges of tomorrow.
My mindset: If you like what you do, you will do it better !
I am particularly passionate about designing and implementing Cloud solutions that drive productivity and security. My experience and natural curiosity enable me to adapt quickly to diverse environments and rapidly master even the most complex systems.
Highly rigorous and pragmatic, I combine a strategic mindset with a hands-on approach, providing a global vision that ensures technological advancements are aligned with the security challenges of tomorrow.
My mindset: If you like what you do, you will do it better !
Experiences
Cloud DevOps Engineer
Sodexo
Since September 2022
- Joined the Global Cloud Competency Center (GCCC) at Sodexo, where I played a key role in enhancing cloud governance, security compliance, and DevOps efficiency across the organization.
- Participated an automated tagging solution to ensure consistent governance and created a compliance tracking platform to monitor security adherence.
- Led an audit of the Azure DevOps platform, identifying gaps and implementing remediation measures to enhance performance and reliability.
- Designed cloud architectures, improving reporting accuracy and reducing data processing time from 3 days to 10 min.
- Working on AI-related projects. Building a chatbot to automate customer interactions, improve response accuracy, and enhance user experience
- Actively involved in strategic cloud initiatives, such as VDI, Azure Policies, FinOps, SecOps, GreenOps, and ManyOps things...
Environment / Technologies : Azure, Azure DevOps, Fabric, PowerBi, Angular, Data, AI (Search, CoPilot...)
Methodology : Agile Scrum
IaaC : ARM, Bicep
Languages & Development : PowerShell, Python, Scala, Angular, React, KQL, DAX.. - Participated an automated tagging solution to ensure consistent governance and created a compliance tracking platform to monitor security adherence.
CosmOps Founder | Cloud DevOps Consultant
CosmOps
April 2020
to September 2022
Freelancer
- Joining 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 "compliant" assets through a private Azure Market Place
- Development of many custom extensions
- Development of a Azure Kubernetes Services custom Solution
- Development of a Cloud native solution allowing to get SSL certificates renewal approbation from each Project owners of expiring certificates
- Code branching implementation (GitFlow)
- Automated Documentation of Products
Environments / Technologies : Azure, Azure DevOps, Kubernetes...
Methodology : Agile Scrum
IaaC : ARM, Bicep - Development of many custom extensions
Cloud DevOps Engineer on behalf of Stime
Stime
January 2019
to April 2020
Freelancer
- 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.
- Building of Continuous Deployment pipelines of DataHub Architecture
- Building of Continuous Deployment pipelines of data development packages (Databricks Notebooks ; DataFactory pipelines...)
- Tests scenarios writing
- FinOps optimization
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 - Building of Continuous Deployment pipelines of DataHub Architecture
Cloud Architect on behalf of CAcom
CA|com
July 2018
to January 2019
Freelancer
- 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
- Conception of distributed Storage Area using RedHat GlusterFS technlology to provide persistant and shared Storage to containerized Apps.
Entire platform deployment, configuration & volume mounting has been fully automated using ansible playbooks
- Docker swarm cluster deployment
- Profiting to Password Manager tool providing systems discovering feature to build a Custom real time dynamic inventory construction which is usable by ansible platform
- Automated the deployment of our SaaS solution as LAMP architectures on VMware cluster
Environments / Technologies : Linux Debian, GitlabCI, GlusterFS, Docker, Ansible, VMware
Methodology : Agile Scrum - Conception of distributed Storage Area using RedHat GlusterFS technlology to provide persistant and shared Storage to containerized Apps.
Infrastructure Architect
CA|Solutions
June 2016
to July 2018
Full-time
- 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
- POC solutions, Support CIO during pre-buy phases
- Setting up and maintain monitoring solutions
- Setting Up a solution allowing to centralize & periodically renew IS passwords
- Unification & Securing storage spaces
- Deployment of High Available LAMP architectures
- Architecture of a containerized SaaS solution
- Conception of a solution allowing to automate encrypted backups of all customers databases
Environments / Technologies : VMware, Docker, Docker Swarm, Portainer, GlusterFS, Simplivity, LAMP Architectures, Apache, MySQL Clusters, HAproxy...
Methodology : Agile Scrum
Languages : Bash, PowerShell - POC solutions, Support CIO during pre-buy phases
Information Systems Manager
Dedalus
June 2014
to June 2016
Full-time
- 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
- IT Members management
- Define the roadmap, planning & following IT projects
- Preparing & mastering IT costs
- Writing internal documentations, Administration procedures & preparing to ISO9001 certification
- IT Members management
Infrastructure Administator
Dedalus
February 2012
to June 2014
Full-time
- As Infrastructure Administrator, my responsibility was about installing and configuring new systems and applications, including operating systems, databases, web servers, and other infrastructure components.
- Installation of web servers allowing to patients to consult their healthcare analysis results- Software deployments and hardware configuration
- OnSite intervention : - Deployment of High Available architectures (RHCS ; VMware clusters) to hosts DLsante middleware solutions
- Skills transferts / trainings
- Building of Microsoft Remote Desktop & Remote App solution
- Monitoring of exploitation hardwares & softwares
- Writing of technical documentation, OnBoarding processes, Run processes...
- Optimising deployments to accelerate intervention time
Environments / Technologies : Unix SCO, Linux RHEL, Linux RHCS Clusters, VMware Clusters - Installation of web servers allowing to patients to consult their healthcare analysis results- Software deployments and hardware configuration
Systems Technician
DLSante
September 2009
to February 2012
Full-time
- As a System Technician, i had to ensure the support, the systems administration & monitoring, the deployment & migrations initiatives
- Administration of physical machines for healthcare laboratories end users
- R&D tests
- Technical documentation writing
- OnSite Production interventions (maintenance, installations, migrations)
Environments / Technologies : Unix SCO, Linux RHEL, PostgreSQL Databases - Administration of physical machines for healthcare laboratories end users
Interests
Technical interests
- Technical meetups / events
- REX Exchanges
- IoT
Social
- International exchanges
- Member of "Jeune Chambre économique" (https://www.jcef.asso.fr)
Sports
- Running / trails
- Working out
- Cycling
Skills
DevOps
-
Azure DevOps
Advanced
-
Gitlab CI
Good
-
CircleCI
Good
-
IaaC (ARM / Bicep)
Advanced
-
Git
Advanced
-
Méthodes agiles (SCRUM)
Advanced
-
Ansible / Ansible Tower
Good
-
Terraform Enterprise / Community
Advanced
Project Management
-
Azure Boards
Advanced
-
Microsoft Dynamics
Good
-
Salesforce
Good
-
Jira
Good
Public Cloud
-
Microsoft Azure
Advanced
-
Amazon AWS
Notions
-
OVH
Good
Virtualization
-
VMware vSphere / vCenter
Advanced
-
Microsoft hyperV
Notions
-
Docker / Swarm Clusters
Advanced
-
Kubernetes / AKS
Good
Infra / Systems
-
LAMP Architectures
Advanced
-
Debian / Ubuntu / RHEL
Advanced
-
Windows Server
Good
Backup
-
Veeam Backup & Replication
Advanced
-
SureBackup / SureReplica
Advanced
-
Arkeïa
Good
-
Azure Backups
Advanced
HA / Load Balancing
-
RHCS
Good
-
KeepAlived
Advanced
-
HAproxy
Advanced
-
proxySQL
Advanced
-
Træfik
Intermediate
Front
-
Apache
Good
-
NginX
Intermediate
-
IIS
Notions
Databases
-
MySQL
Good
-
PostgreSQL
Good
-
SQL Analytics
Good
-
Cosmos
Good
Monitoring
-
Azure Log Analytics
Good
-
Nagios / centreon
Advanced
-
MonYog
Good
-
Semonto
Good
-
Munin
Good
Storage
-
EMC VNX
Good
-
HP MSA
Good
-
NAS/DAS
Good
-
GlusterFS
Good
-
Ceph
Intermediate
Security
-
WAF (Apache Modsecurity ; Imperva solutions)
Advanced
-
Qualys
Good
-
Kali
Intermediate
Network
-
LAN : TCP/IP, DHCP, DNS, WINS, VLAN
Good
-
WAN : Routing, Proxy, VPN/PPTP, DMZ
Good
-
Firewalling (Soekris, Netasq, CISCO ASA...)
Good
Langages
-
bash
Advanced
-
PowerShell
Advanced
-
Python
Notions
-
Scala
Good
-
AngularJS
Intermediate
Reporting
-
PowerBI
Advanced