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Guillaume SaggioroGS

Guillaume Saggioro

Consultant certifié en (Cyber)Sécurité,

€800/day
Paris, FR
15+ years

Average response time: 1 hour

About Guillaume

Accompagnement dans vos projets de sécurisation de vos données et systèmes d'information, avec une approche pragmatique, adaptée et contextualisée sur vos enjeux et risques métiers.
Mon objectif est que le ROI de la mission soit directement perceptible et actionnable/actionné par le client.
  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • Decathlon
    Head of Information Security France
    RETAIL (SMALL BUSINESS)
    January 2023 - Today (3 years and 5 months)
    Paris, France
    Context : Job creation, 20K+ users, Full-Cloud (GCP, AWS, ...) Mission : Setup and animate the Information Security program at country level. Activities : Procurement IS Risk assessment, Security Insurance Plan negotiation, Security Controls animation with Product Owners (invariants, DRP, Risk Assessment, Crisis Management), Information Security SME for Business. Functional animation of local Security Officers & Sécurity Champions.
  • Keolis Dijon Mobilités
    Chief Technology Officer - Chief Information Security Officer
    May 2018 - January 2023 (4 years and 8 months)
    Sand, France
    • Context: First multimodal Public Service Delegation agreement in France, covering Tramways, Buses, Bikes, Bike Parks, On-street and Off-street Parkings, Vehicle Pound.
    • Mission : Main objective upon arrival was to stabilize the IS since it grew instantly when new services joined the contract agreement on Jan 1st 2017 *Team management: 3 direct reports

    *200 users, 700 employees, 100 VMs, 100+ apps *Interactions : Public Transport Authority, KEOLIS Group (Ops & Security)

    Main achievements : *Cybercrisis training with COMEX (tabletop) *Contributed to Operational Support System's renovation *Contributed to RFP for 2023-2029 contract (1.7M€ CAPEX, 3M€ OPEX under management) *Performed ISO27001 flash audit internally *Updated/created processes to ensure change management and improve global quality of services *Inventory (hardware-software assets, vendors, datacenters, contracts, web apps, telecom, …) *Strengthened partnership with KEOLIS Group IT (Pilot : O365 migration, Polycom Visio solution, Enterprise Architecture) *Security baseline enforcement: *AV+EDR (Microsoft Defender for Endpoint, Crowdstrike Falcon) *Encryption (MS Bitlocker) *MFA (Microsoft Azure AD) *Network segregation *Security Awareness *PAM *MDM covering 100% smartphones *Next Gen Firewall rules clean-up *Dashboard & Reporting : created templates for monthly report from manager to N+1
    • TETRA Radio system integration (interconnected with Dijon's Command Center) *Refreshed and expanded Wifi service (Industrial / Corporate / Employee/ Guests) *Operations Command Center relocation within OnDijon (Dijon's « Smart City » mutualized Command Center (infrastructure, server room, end-user hardware, visionconference) *O365 Migration *IS Supervision : Migrated from Centreon to PRTG : from 200 sensors to 2500 selected sensors, Hardware-centric approach then Service-centric approach, Custom-maps designed for specific technical teams within Keolis Dijon.
  • CHU DIJON
    Deputy Head of IT Operations
    April 2016 - September 2016 (5 months)
    Sand, France
    6 years 3 months
    Deputy Head of IT Operations
    April 2016 - September 2016 (6 months)
    Dijon Area, France
    In charge of department operational & performance improvment * Refined deployment and change processes (ITIL V2 standard) * Management of 6 people (Technicians & Engineers) & external (depending upon projects).

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Education

  • Master's degree, Telecommunications
    INSA Lyon - Institut National des Sciences Appliquées de Lyon
    2004
    Master's degree, Telecommunications
  • Exchange Program, Computer Science & Electrical Engineering
    National University of Singapore
    2004
    Exchange Program, Computer Science & Electrical Engineering

Skill set (9)

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