La confiance en soi vient des réalisations passées, de la compréhension de nos propres forces, de la reconnaissance des erreurs et de la détermination de ne plus les refaire.

Note Globale    

Gestion des infrastructures informatiques
ITIL
IT Service Management
Élaboration de budgets et prévisions
Organisation
Information Security Management
IT Management
It strategy
Team Leadership
Entreprise 4.0
Gouvernance informatique
Project Management
program management
Team Management
Directeurs informatiques
BUSINESS ANALYSIS
Business Continuity
business development
, ancien collab.

le 04/02/2023 par Alain Gaudefroy, Manager de transition - ITOPS - Directeur adjoint

Sébastien est un manager de transition qui saura vous accompagner pour répondre à vos enjeux technologiques & Humains en tant que CTO.
Il dispose d'une vue 360° sur l'ensemble de son périmètre, a une excellente capacité d'analyse et apprécie donner du sens à ses équipes. Il sait aussi imposer lorsque le consensus n'est pas possible.

Sebastien

49 ans

Rueil-Malmaison

Sebastien
CTO / Infrastructure Director / Program Director / Transition Manager

Expériences professionnelles

 

Société de Conseil et de Management de Transition
Rueil-Malmaison

TRANSITION MANAGER - FREELANCE

Nov 2022 - Aujourd'hui

As CTO / Infrastructure Director

  • Bring expertise and a proven track record to drive successful IT initiatives.

HERMES
Pantin

Head of Infrastructure Technology Platforms

Nov 2022 - Aujourd'hui

Infrastructure Technology Platforms Dpt (~60 people) - France, India. Reporting to Infrastructure OPS Director

Transition Manager responsible of the following areas within the Worldwide Infrastructure functions:
Networking & Telecoms, ToIP, Infras Security, Compute & Storage, Database (M3, Cegid Retail Y2), Datacenters & Cloud (AWS)

This position requires Deep understanding of Modern Infrastructure technologies and software development practices including datacenters, networks, public cloud, infrastructure, containerization, CI/CD pipelines, databases, etc.

Help the client manage transition (RUN/PROJECTS) during the recruitment process for the target organisation + Facilitate ex-manager to transition to New Move to Cloud Program

Lead on Transformation Program & Infras Operations:

  • Budget +10M€
  • IT HR Department reorganization
  • Total review on existing IT process, governance and IT frameworks
  • Sync with CISO / CERT to apply remediation action plan
  • Cloud Strategy Review (=Infras as Code: GitLab, Terraform, Ansible, Kubernetes,.)
  • Service Catalog and SLA Review (New ITSM Product Service Now)
  • DRP / Business Continuity Review
  • Security Policy compliancy / Cybersecurity
  • Sourcing partners / Contract Review

BELIEVE
Paris

VP IT Infrastructure & Workplace

Oct 2020 - Oct 2022

EXEC Member - Responsible of the following areas within the Worldwide Infrastructure & Workplace functions;
Networking & Telecoms, Unified Communication, Infrastructure Security, Compute & Storage, Database, Datacenters & Cloud (AWS/Azure/AliBaba), O365, Azure AD, All Digital Workplace products.

This position requires Deep understanding of Digital Workplace, modern Infrastructure technologies and software development practices including datacenters, networks, public cloud, infrastructure, containerization, CI/CD pipelines, databases, etc.

The Department is in charge to Design / Build (Project Management/Integration) / RUN (Operate) all solutions and Business critical applications.

On-going tasks already engaged:

  • IT Department reorganization (Project to Product)
  • Total review on existing IT process, governance and IT frameworks
  • IT Master Plan review
  • Datacenters Renew with Hybrid Public Cloud Strategy (=Infrastructure as Code: GitLab, Terraform, Ansible, Kubernetes, ...)
  • Service Catalog and SLA creation
  • DRP / Business Continuity Review
  • Dataplatform Integration (Snowflake, Databricks)
  • Security Policy compliancy / Cybersecurity
  • Sourcing partners / Contract Review
  • End-user support Review (HelpDesk/HQ Genius Bar/Hotline /IAM Integration)
  • Asset Management Creation (GLPI, NETBOX)
  • End-User Device Management (MDM =MS Intune + Jamf for Apple Devices)
  • New Active Directory Design
  • IPO / M&A IT integration

XPO Logistics - Corporate IT Europe
Paris

Director of Infrastructure, Europe

Oct 2017 - Sep 2020

Responsible of the following areas within the European Infrastructure function;
Networking & Telecoms, Compute & Storage, AS400 Platforms & Database Administration, Datacenters & Cloud, ERP

  • EU Team reorganization and management (~80 people - 5 Direct Report - 7 Main EU countries)
  • To Manage Budget (OPEX>30M€/CAPEX>15M€)
  • Transform EU IT Supply Chain & Transport Org to a merged EU IT Corporate Team
  • Define and Apply Global Infrastructure Strategy for Europe
    • Datacenters consolidation
    • Transversal Teams consolidation
    • Business Partner Relationship (Supply Chain & Transport)
    • Service vs Costs efficiency
    • Technology Standardization
    • Enforce IT Security in compliance with Group Security Policy
  • To review all Infrastructure Operational Processes / ITIL v3 (=Operational Excellence)
    • Datacenters Management Operation 24/7 days
    • SAP DB RUN
    • DRP/BCP Yearly Executions
    • Service Delivery / Service Catalog Review
    • CMDB Review
  • To Define/Manage/Lead EU Projects (=EU Datacenters consolidation, M&A Infrastructure integration, Global WAN, LAN/WiFi on SaaS, Cloud Interconnect, Compute Virtualisation, AS400 MCO, Oracle MCO, DRP/BCP)
  • To manage relationship with external vendors & contractors (consolidation/savings plan)
  • To Manage and report to XPO Global CTO (US) and CIOs (EU/US)

Technologies Portfolio:

  • Avaya/Cisco/Aruba(Switching/Routing) + Check Point (FW) + Palo Alto (FW/IPS) + Fortinet (FW) + ForcePoint (SD-WAN) + F5 (LTM/GTM/LLC,AFM) + Cloud (Azure, VMWare, Google) + Zscaler (SaaS Proxy) + Dell/Cisco UCS Servers + PureStorage + IBM AS400/iSeries + EMC Storage + Database (Oracle Exadata/SQL) + SAP Infras + Backup Solutions (Veeam, Rubrik) + UC O365 (Skype/Teams) + MS Licensing (0365, SQL, Servers) + ITSM (ServiceNow)

ENGIE - ENGIE IT (BU)
Saint-Ouen-sur-Seine

Network Datacenter Service Line Director

Oct 2016 - Sep 2017

Job Description: Global Network (Network & Security) Datacenter / Cloud Strategy / Team Management (~80 people) and cross team coordination (Plan/Build/Run) / Service Line P&L

  • Team reorganization (Service Line customer oriented)
    • Transformation plan to reorganize the whole Service Line to support new Engie IT strategy
  • To develop Datacenters and Cloud Strategy
    • Closing of old existing Datacenters (Locations : France and Belgium)
    • AWS and Azure Cloud deployment (Private and Cloud Interconnection)
  • To manage and develop teams with strong network and security expertise
  • To manage relationship with external vendors & contractors
  • To build new service line offers
    • New Remote access solutions based on OKTA SSO Solution
    • New 3rd party access solutions
    • New Datacenters Internet accesses with high availability
    • New Cloud proxy offer based on Zscaler Solution
  • To improve internal RUN processes and procedures (Change/Incident/Problem management)
    • Strong relationship with ENGIE IT GSOC
  • To Manage and report to ENGIE IT CEO+CFO on P&L (17M€ Sales)

Technologies:

  • Cisco's portfolio (Switching/Routing/WiFi/ToIP/Security) + Check Point (FW) + Palo Alto (FW/IPS/UA) Juniper (VPN SSL) + F5 (LTM/GTM/LLC,AFM) + Cloud (AWS, Azure, VMWare) + Fortinet (FW) + Zscaler

L'OREAL - DOSI (Group IT)
Clichy

Senior Architect / Project Manager

Nov 2002 - Nov 2005

Job Description: Global Network and Datacenter Strategy / Team Management and cross team coordination

Missions (Scope = Telecom/Network/Security/Group Datacenters solutions)

  • To study, to design and to provide solutions for all the main Group projects around the world.
  • To provide operational support for the EMEA Group implementations.

Architect / Project Manager:

  • L'Oreal Group Datacenter Strategy
  • ➔Design and Integration of EMEA Group Datacenter (+5M€)
  • L'Oréal GPRS/3G strategy and network/security standard
  • L’Oréal Remote Access solution based on Citrix technologies
  • L'Oreal Group WAN Transformation plan (+20M€)
  • ➔ RFI/RFP : Move of the L’Oréal Frame relay’s backbone to MPLS new design (+130 sites)

Technologies:

  • Complete Cisco's portfolio (Switching/Routing/WiFi/Security) + Check Point (FW) + Juniper (Security) + Streamcore (QoS on Internet) + Nortel (Alteon)

Société de Conseil et de Management de Transition
Dublin

Freelance Network/System Architect

Sep 1999 - Oct 2002

Freelance Telecom Architect

As consultant working for System/Network/Security projects in Engineering / Integration Department for Banks, Telecom Operators, IT Manufacturer

Nortel Network’s Team= Core Packet Switched Engineering (GPRS/UMTS Business Unit)
Mission = To design and to provide solutions for core IP network in many European GPRS/UMTS operator deployment

  • Oniway GPRS/UMTS Project (Portugal) – 18 months
    • Pre-Sale, Design and Build
  • Esat Digifone GPRS Project (Ireland) – 3 months
    • Pre-Sale and Design
  • O² UMTS Project (England) – 1 month
    • Design
  • Xfera UMTS Project (Spain) – 1 month
    • Design

Technologies:

  • Complete Nortel's PS portfolio (Switching/Routing) + Check Point (FW) + Nortel (Alteon)

Network/System Architect

  • Mission = Move of the IP core network dedicated to the Paris ABN AMRO trading room.
    • ABN AMRO Bank – 5 months / Technologies = Cisco’s Catalyst portfolio
  • Mission = System and backup solution administration
    • Société Generale Bank – 7 months / Technologies = Unix / Windows-NT, Networker, Control/M

Formation

 

2008     PMI - PMI Project Management for IT Professionals

2008     - PMI Project Management for IT Professionals

2004     - IT Manager Exhibitions; Cisco Live, Finaki, EBG, CRIP, Security

2002     - Check Point CCSA/CCSE

2000     - Cisco CCNP + CCIE Drake; Cisco Security Specialist (VPN/FW/IPS)

1999     EFREI - Master's degree; Options Telecommunication engineering

Langues

 

Anglais : Niveau avancé

Francais : Langue maternelle

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