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Jérôme MarchandiauJM

Jérôme Marchandiau

IT Infrastructure & Operations Director

€900/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jérôme

I experienced a cyber attack and managed its consequences, organizational, human, and technical. A great experience that I wish to pass on to my clients, because it's not just about rebuilding an IS, but also about managing IT teams and all employees.
  • English

    Fluent

  • German

    Basic

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Nantes (up to 50km), La Rochelle (up to 50km), Angers (up to 50km)

Experience

  • Groupe Raja
    Group IT Infrastructure & Operations Director (CIO)
    July 2023 - February 2025 (1 year and 7 months)
    • Reorganized the department by defining roles and responsibilities to evolve a multidisciplinary team (39: engineering, architecture, project management, on-site support, and Service Desk);
    • Ensured the reliability and performance of IT operations, systems, and production resources (servers, networks, telephony, workstations, support…);
    • Supported the IT department's transformation towards a "distributed" model including local IT in subsidiaries;
    • Participated in the creation of the core model on Dynamix 365 Fin&Ops and its integration into the IS (data model);
    • Implemented ITSM Jira to ensure the implementation of ITIL processes (incidents, changes, problems, and knowledge) by redefining OLAs/SLAs and the service catalog, as well as the CMDB;
    • Reviewed technical architectures with a "Security by design" driver;
    • Implemented the necessary tools, methods, and reporting to control operations, the installed base, OLA/SLA compliance, and the budget (€10 million);
    • Led the migration project of MS-HYPERV infrastructures (800 VMs) to the Nutanix platform with a Hybrid cloud orientation (Azure), including the implementation of a DRP and infrastructure hardening;
    • Led the migration of 6 subsidiary Active Directories to integrate the group's AD, after a prior redesign to comply with Microsoft best practices;
    • Audited and redefined the Azure cloud for a hybrid infrastructure;
    • Led the network redesign of our 2 datacenters for a virtual DC, integrating SASE/SDWAN technologies;
    • Led the MS-Intune deployment;
    • Supported the implementation of GDPR rules;
    • Secured the Mulesoft platform and redefined exchange patterns for security purposes;
    • Integrated subsidiaries in terms of both technical aspects and IT processes.
  • Groupe MANUTAN
    IT Operations & Infrastructure Director (CIO)
    November 2020 - June 2023 (2 years and 7 months)
    • Ensured the reliability and performance of IT operations, systems, and production resources (servers, networks, telephony, workstations, support…);
    • Supported the IT department's transformation program towards centralization of resources and a service-oriented model for optimal cost;
    • Managed incidents and changes in compliance with ITIL principles via Service Now;
    • Designed technical architectures with a "Security by design" driver;
    • Led, coordinated, and developed a multidisciplinary team (+42 people): engineering, architecture, project management, innovation, on-site support, and Service Desk;
    • Managed our technical service providers and partners (Neurones IT, Seatpi, OBS, Microsoft, SPIE, SCC…);
    • Implemented the necessary tools, methods, and reporting to control operations, the installed base, OLA/SLA compliance, and the budget (€10 million);
    • Ensured technological watch;
    • Studied the replacement of MS-AX2012 with Dynamix 365 Fin&Ops;
    • Managed the cyber attack (February 2023) and implemented the remediation plan;
    • Led the Horizon technical redesign project (investment of €10 million) in 2 new DCs with a Hybrid cloud orientation (Azure) following the cyber attack: 800 servers and 250 applications to migrate;
    • Supported the implementation of Agile and DevOps methodologies;
    • Implemented the Data Platform on Azure and its associated governance (technical and financial);
    • Led the security of the old AD and the implementation of the new one, based on ANSSI recommendations;
    • Led the implementation of Service Now to implement ITIL processes;
    • Integrated subsidiaries in terms of both technical aspects and IT processes;
    • Led the MS-Intune deployment;
    • Supported the implementation of GDPR rules;
    • Led the implementation of SDWAN and cloud telephony.
  • Alliance Automotive Groupe France
    IT Operations & Infrastructure Director (CIO)
    July 2019 - July 2020 (1 year)
    • Ensured the reliability and performance of IT operations, systems, and production resources (servers, networks, telephony, workstations, support…) and managed service providers (OBS, Microsoft, SCC…);
    • Supported the IT department's transformation program towards centralization of resources and a service-oriented model for optimal cost, while guaranteeing data security policy and service quality;
    • Led, coordinated, and developed a multidisciplinary team (+25 people): engineering, integration, innovation, on-site support, and Service Desk;
    • Controlled operations (reporting), the installed base, OLA/SLA compliance, and the budget (€5 million);
    • Ensured technological watch and proactively proposed solutions to enhance service offerings, security, and information system architecture;
    • Studied the migration to Dynamix 365 Fin&Ops, as well as its impact on business repositories (customer, products…);
    • Led the datacenter consolidation project based on a Nutanix/VMware offering with a "move to cloud" approach on Azure;
    • Led the Active Directory redesign;
    • Led the implementation of the Service Now tool to implement ITIL processes;
    • Managed various infrastructure modernization projects (company integration, VOIP migration, Office 365 deployment, …);
    • Studied the implementation of an API-oriented Middleware.

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Education

  • Higher Technician Certificate in Computer Science (ESIG)
    1986
    Brevet de technicien supérieur en informatique (ESIG)
  • End-of-studies Diploma
    l'Ecole Supérieure Estienne
    1984
    Diplôme de fin d'études

Skill set

Categories