Stephane VALLIER
☁️ Cloud Engineer ☁️
39 years old
Driving License
Professional Status
Freelancer
Just looking around
About Me
Cloud & Systems Engineer with strong expertise in DevOps and a passion for designing secure, scalable, and efficient cloud solutions.
Curious and adaptable, I quickly master complex systems and thrive in diverse environments. I combine a strategic vision with a hands-on approach, ensuring that technology initiatives not only deliver productivity gains but also address tomorrow’s security challenges.
Rigorous, pragmatic, and passionate about innovation, I believe that when you love what you do, you do it better.
Curious and adaptable, I quickly master complex systems and thrive in diverse environments. I combine a strategic vision with a hands-on approach, ensuring that technology initiatives not only deliver productivity gains but also address tomorrow’s security challenges.
Rigorous, pragmatic, and passionate about innovation, I believe that when you love what you do, you do it better.
Experiences
Cloud DevSecOps Lead
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.
- Designed and implemented an automated tagging solution to enforce governance standards and improve compliance tracking.
- Led an audit of Azure DevOps, identifying gaps and implementing remediation to improve reliability and performance.
- Architected cloud solutions improving compliance reporting accuracy and reducing data processing time from 3 days to 10 minutes.
- Delivered AI-driven initiatives: chatbot for compliance remediation guidance and automation of customer interactions and AI driven remediation platform
- Actively involved in strategic cloud initiatives, such as AI, VDI, Azure Policies, FinOps, SecOps, and GreenOps solutions.
- End-to-end design & development of a global Azure compliance platform (frontend, backend, data, AI) – delivered full architecture, build, and deployment.
- Designed and developed a GreenOps platform to track and analyze carbon emissions of Azure infrastructures, integrating Microsoft Emissions Impact Dashboard with Power BI for real-time sustainability insights.
Environment / Technologies : Azure, Azure DevOps, Fabric, PowerBi, Angular, node, Data, AI (Search, CoPilot...)
Methodology : Agile Scrum
IaaC : ARM, Bicep
Languages & Development : PowerShell, Python, Scala, Angular, React, nodeJS, KQL, DAX.. - Designed and implemented an automated tagging solution to enforce governance standards and improve compliance tracking.
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
- AI
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
-
CosmosDB
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
-
Azure (SA, ANF..)
Advanced
Security
-
WAF (Apache Modsecurity ; Imperva solutions)
Advanced
-
Qualys
Good
-
Kali
Intermediate
-
Azure Defender
Good
-
SonarQube
Good
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
Intermediate
-
Scala
Good
-
AngularJS
Good
-
ReactJS
Good
Data
-
Fabric
Advanced
-
DataFactory
Good
-
DataBricks
Good
Reporting
-
PowerBI
Advanced