Victor GRENU

Practice Manager AWS - Cloud Architect

Career Summary

I've started working in Information Technology in 2005 @Saint-Gobain as System Administrator (intern).


Currently, I’m working as a Cloud Architect mainly on Amazon Web Services (AWS), designing Cloud infrastructures for my customers. I’m also leading projects: Cloud Migrations, Infrastructure Lift and Shift, Security Enhancements, Cost Saving (FinOps), Proof of Concept, Go to Cloud Strategy, Cloud Advisory.


Previously, I was Technical Account Manager at Microsoft, where I worked with large public sector customers to assist in Microsoft Technologies deployment across organizations, and managing daily Microsoft Premier Support requests for my panel of clients.

Work Experience

Cloud Architect

Mediametrie
June 2017 - September 2018

Mediametrie is handling Billions of requests every day with Multi Terabytes of data collected in a highly resilient and scalable infrastructure.

Cloud Architect: Responsible for the "Internet" Products: Streaming, Web Analytics, Google Panel, Podcasts, Tablet, French Online Press Analytics.

Achievements:

  • Workloads migration to AWS (Design / Project Management)
  • Datacenter Migration to AWS
  • EMR migration from On-Demand to Spot instances: 62% savings (> 64k$ / year)
  • Waste detection and remediation
  • Compliance automation with CloudCustodian and AWS Config
  • AWS Multi-Region Project

Technologies used:

  • AWS
  • Terraform
  • Ansible
  • Serverless
  • FinOps Tools
  • EC2 Spot Instances

IT Architect

STVA
September 2014 - June 2017

STVA (SNCF-Logistics / Geodis) : (Turnover : 320M€ - 2014) - 2500 employees. 800 Trucks. 3200 wagons. 44 sites

  • IT Operations and Support manager (5 members)
  • Technical Advisor for Cloud, Microsoft and Citrix technologies
  • Projects Manager for Cloud and On-Premise Infrastructures (AWS, Microsoft)

Achievements

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Technologies used:

  • Citrix
  • Windows Server
  • RES Automation Manager
  • Active Directory
  • Office 365
  • PowerShell

Technical Account Manager

Microsoft
January 2012 - September 2014

  • Services Delivery Management: resources and pro-active check-up planning: health check, security audit
  • Account Management: Contract renewal, projects follow-up, customer satisfaction
  • Cases monitoring and escalation / Crisis Management / Product Group Cases (Redmond)
  • Microsoft's Technical Advisor for my customers
  • Maintain a Service Delivery Plan, to help customers to define an action plan to improve his IT infrastructure (ITIL)
  • Budget > 1,2 M€.
My Public Sector Customers:
  • Ministère de la Défense
  • Assurance Maladie (CNAMTS)
  • Assurance Vieillesse (CNAV)
  • Commissariat à l'énergie Atomique (CEA)
  • Mairie de Paris
  • OCDE
  • CIPAM (Urssaf)
  • Pôle Emploi

Technologies used:

  • Windows Server
  • Active Directory
  • Powershell
  • Azure
  • Office 365

Chief Information Security Officer

Saint-Gobain
November 2009 - December 2011

SGD Group - (Turnover 564 million euros in 2013)

  • Define with the CIO a global IT Security policy for the group
  • Raise awareness of IT Security best-practices
  • Deployment of technical infrastructures (Microsoft) based on editor's security best-practices
  • Microsoft Office 365 deployment (5000 seats): Exchange Online, Lync Online, SharePoint Online

Technologies used:

  • Office 365
  • OCS / Lync
  • Exchange Online
  • Cisco IronPort

Skills & Tools

Cloud

  • AWS Services
  • Architecture Design
  • IaC
  • Gouvernance
  • FinOps

Management

  • Team Management
  • Projects Management
  • Communication/Collaboration

Others

  • DevOps
  • Python
  • Windows
  • Linux
  • FinOps
  • Datacenter
  • Networking

Education

  • Expert in Computer Science
    Supinfo - Paris
    2007 - 2010
  • BTS - IT Support
    CESI - Rouen
    2005 - 2007

Certifications

  • AWS Certified Developer - Associate
    Proficiency in developing, deploying, and debugging cloud-based applications using AWS
  • AWS Certified Solutions Architect - Associate
    Ability to effectively demonstrate knowledge of how to architect and deploy secure and robust applications on AWS
  • AWS Certified SysOps Admin - Associate
    Technical expertise in deployment, management, and operations on the AWS

Languages

  • French (Native)
  • English (Professional)

Interests

  • Motocycle
  • Domotics
  • Running
  • Geocaching