
Alain SEZEN
CHEF DE PROJET en transformation de SI
Salaire / Taux journalier
Paris, France
Freelance
Peut venir sur site
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À propos
Introduction
Fort de plus de 25 ans d'expérience, j'ai piloté avec succès de nombreux projets de transformation de systèmes d'information, principalement axés sur SAP. Mon expertise englobe l'accompagnement des acteurs clés, de la direction générale aux équipes opérationnelles, ainsi que la gestion rigoureuse de projets complexes, impliquant des équipes internes et externes. Ma méthodologie repose sur une analyse pointue du contexte client, la construction d'une feuille de route collaborative, et une antici
Expérience de travail
Chief Executive Officer
ACSALYS Consulting
oct. 2008 - Présent
18 ans 1 mois
Paris, France
Transition To Run Manager
ENGIE
avr. 2025 - avr. 2026
1 an 1 mois
Paris, La Défense
En charge de la mise en place du support du Run SAP S/4 HANA au sein du projet GET (Global Enterprise Transformation) • Rôle principal : garantir que les conditions nécessaires soient réunies pour assurer le transfert du support des pays ou entités déployés vers les équipes du RUN. • Mise en place de la méthodologie industrialisée : pour gérer la phase de transition vers le RUN, notamment dans un contexte de déploiements parallèles (multi-vagues). • Suivi et recueil des critères de transition vers le RUN tout au long du projet et pendant l’hypercare, en veillant à ce que toutes les conditions soient réunies dans les délais impartis, en coordination avec les différentes parties prenantes. • Avant chaque go-live, organiser et planifier les actions nécessaires : à l’intégration des utilisateurs, des périmètres concernés et des équipes de support dans les processus RUN (gestion des incidents, des demandes de service, des changements, gouvernance du service, etc...). • S’assurer que l’activité est suffisamment stable : pour être transférée à l’équipe RUN. • Préparer l’outillage pour l’hypercare et le RUN : (mise à jour ServiceNow, configurations, intégration des équipes projet et RUN dans les processus).
Directeur de projet [via Page consulting]
La STIME (Mousquetaires de la distribution)
sept. 2024 - févr. 2025
6 mois
92320 Châtillon, France
Directeur de mission bascule vers SAP /4 HANA des Points de Vente Bricomarché, BricoCash, Bricorama • Expertise fonctionnelle en migration SAP S/4HANA : Direction d'un projet majeur de bascule vers SAP S/4HANA pour les points de vente Bricomarché, BricoCash et Bricorama, impliquant la gestion complète du cycle de vie du projet, de la planification à la mise en production sur un périmètre FI-CO, SD-MM. • Maîtrise des processus de déploiement : Contribution active aux instances de gouvernance et de pilotage, suivi rigoureux des processus de déploiement, et gestion proactive des incidents et problèmes technico-fonctionnels. • Gestion d'équipe et coordination : Management d'une équipe de pilotes de bascule, animation de réunions de coordination, et collaboration étroite avec les responsables de l'accompagnement et de la formation des points de vente. • Amélioration continue : Amélioration de l'architecture d'intégration entre les systèmes legacy et SAP via Automic, et mise en production d'un nouvel outil de refresh (Libelle) optimisant les simulations en pré-production. • Support opérationnel : Suivi opérationnel des bascules de nuit hebdomadaires (6-8 points de vente), et appui hypercare en collaboration avec les équipes support et technico-fonctionnelles. • Gestion de livrables : Rédaction des livrables nécessaires à la gestion du déploiement, assurant une documentation complète et précise du projet.
Project Director (support technico-fonctionnel)
Société des grands projetsFreelance
nov. 2023 - juil. 2024
9 mois
Paris, France
in charge of technical-functional assistance, particularly for the Kheops project • Manage the relationship with TME suppliers and the quality of service offered. • Guarantee the quality and availability of support/maintenance services. • Define and maintain procedures, working methods and organizations. • Migration from Qualiac (Cegid) to SAP S/4 HANA (budgetary and accounting management, expenses, etc.) • Establishment of the various committees induced by comitology and the RACI shared by the stakeholders. • Definition of the integration architecture from SAP to external applications via Axway. • Production of a new SAP environment for pre-acceptance by the SGP. • User management/stakeholder access on SAP (internal, service providers, etc.). • Management of operating incidents in non-productive and production environments.
Consultant SAP BRIM (SAP Hybris Billing and Invoicing) SAP Integration Role
WorldlineFreelance
mai 2022 - juil. 2023
1 an 3 mois
Paris, France
In charge of technical-functional assistance, particularly with Swiss and Belgian entities • Ownership and assistance on the electronic payment processes, especially on OTC (Order to Cash), as a member of the Solution/Blueprint team in charge of the implementation of SAP BRIM (Business Revenue & Innovation Management). • Definition with the architects and the business functional of the complex architecture of the IT landscape associating SAP BRIM with SAP ECC, Salesforce, PASS (transactional legacy),...via SAP BTP. • Preparation and animation of working group meetings, workshops with the business teams. • Coordination between development teams and relevant contacts (business lines, global projects, IT, etc.).
Consulting Specialist SAP for the S/4 HANA version upgrade
Air LiquideFreelance
mars 2022 - mai 2022
3 mois
Paris · Hybrid
In charge of the Project Management Assistance to the Group entity • Inside the S/4 HANA migration of the EUROPE subsidiary, detailed study to manage the sales/procurement business needs (OTC/P2P) issued by the Group, for the convergence of the global business processes (efforts of homogenization and group conformity). • Heuristic presentation of developments in the IT system to the various stakeholders to decide on the version upgrade only in 'Brownfield' or compromise 'Bluefield'. • Functional advisory role for developments and new flows brought to the SAP Core model.
SAP Project leader at EssilorLuxottica
EssilorLuxotticaFreelance
oct. 2021 - mars 2022
6 mois
Créteil, France
In charge of support to the business teams for the migration of Essilor IT to SAP • As part of the EssilorLuxottica merger, management of the AMOA team (around ten FI-CO consultants) in charge of migrating accounting data from Oracle Financial to SAP, Essilor's Scandinavian subsidiaries (Norway, Finland, Sweden , Denmark). • Preparation and delivery of training sessions for key SAP users. • Assistance to end users in carrying out validation and acceptance tests. • Ensure the transition from the project phase to the Run phase. • Management of monitoring and successful completion of changeover actions linked to CutOver planning, MOC.
Consultant SAP Architect
AllianzFreelance
févr. 2021 - juil. 2021
6 mois
In charge of Architecture support to the team responsible for controlling Allianz France • As part of the replacement of the controlling platform under SAS FM with the SAP Analytics Cloud solution, I assisted the enterprise architecture department of Allianz France with the business team in charge of the project and the architecture Allianz group. • Assistance in selecting the solution between SAP Analytics Cloud and Anaplan. Production of summary notes in parallel with the solution instruction. • Structuring and synthesizing relevant information and communicating to stakeholders. • Writing the functional and technical specification deliverable for the new full SAP cloud architecture.
PMO of the IT redesign team of the OPCO EP
OPCO des Entreprises de ProximitéFreelance
avr. 2020 - janv. 2021
10 mois
Paris, France
In charge of the management of the external team responsible for the IT redesign project • The merger of the Actalians and Agefos OPCAs (Authorized Organisms Collector for Training) gave birth to the OPCO EP (Operator for small and medium companies); • Our team was tasked with providing the blueprint for the information system aimed at aligning the IT with the new services offering by the OPCO entity. • In this context, we worked on the new organization of the IT department resulting from the merger of the two teams. • I set up performance indicators and service levels to achieve. • I was responsible for the control and visibility of project activities.
Consultant SAP Testing at L’Oréal IT EMEA
L'OréalFreelance
déc. 2019 - mars 2020
4 mois
Paris, France
SAP functional and technical contribution to the team responsible for the maturity audit of Testing in SAP projects • Interviews of the main SAP stakeholders in the IT EMEA pole of L’Oréal; • Deliverable of the report analysis of the maturity for SAP testing and enhancements roadmaps; • Recommendation of test management tools (Qtest, Tosca, Leapwork, SolMan, HP QC);
SAP Consultant in IT Support Department at Schneider Electric
Schneider ElectricFreelance
juil. 2012 - oct. 2019
7 ans 4 mois
92500 Rueil-Malmaison, France
Responsible for Infrastructure & business evolutions in the entity ‘Information, Process, Organization’ • Managing the deployment of the SAP 'bridge' solution and MySE for the supply chain and production plants in an international context and a multicultural environment, following B.I.P. methodology; • Leading and management of the SAP support team to business users in the various deployed countries; • Relay of communication from the project to the various stakeholders and referent of the feedback of information to project management. • Leading XI/PI transformation impacting key Schneider applications (bFO, bFS, HVDC, MySE, Cordys); Integration with PI of different business applications (Kinaxis, Vistex, Coupa…) • Realization of an SAP HANA S/4 Finance pilot, introduction of the Agile method in SAP projects to Schneider operational teams.
Project Manager SAP Authorizations
Cargill
mars 2012 - juil. 2012
5 mois
Paris, France
In charge of the carve-out of a subsidiary of the CARGILL group • The ‘spin-off’ of a Cargill subsidiary was carried out through the splitting of authorizations in the client SAP; • The split took place at the level of the SAP division and the analytical perimeter on the installed modules (FI/CO, SD/MM, etc.); • The assignment of roles and profiles has been revised based on the new authorizations; • The GRC process was managed to fully guarantee the integrity of access to the SAP system.
SAP Governance consultant
TotalEnergies
nov. 2011 - mars 2012
5 mois
Paris, France
Support near the IT pilot of Business Department at TOTAL S&M • Achievement of the implementation of the more accurate best practices in IT Governance; • Process Modelling of governance flows; • Achievement of the IT governance charter for the Business Department. • Support for external audits for IS-related requests.
MDM (Master Data Management) consultant
Geodis
mars 2011 - déc. 2011
10 mois
Paris, France
Responsible of Third-party Suppliers, Localities data repositories In charge to lead the MDM department teams: Team leader (3 persons), Data Steward Team (4 persons), Technical Team (4 persons). • Data governance and definition; • Management of Parties on IBM MDM Server connected to SIEBEL CRM for Groupage Branch; • Deployment of ‘Localities’ repository with EBX tool from Orchestra Networks for Road Branch; • Completion of other projects management repositories (Exchange Rates, Holidays, Yearbook ...); • Studies for new repositories for Groupage Branch in IT migration for new Travel Management System.
Leading of request for proposal of data repositories for the HR IT system
Total Group
oct. 2010 - mars 2011
6 mois
Paris, France
Writing of the Master Data Management part of the HR IT Specification for Total Holding 1) Support of the IT department for the technical and functional diagnostic of an MDM pilot. 2) Elaboration of the request for proposal concerning the integration of an SAP MDM system to the new HR IT system of the TOTAL Holding. • Management of the workshops and synthesis of the client needs, both business and technical; • Support for in-depth business workshops in addition to the integrator's workshops. • In charge of the validation near the client of the requested architecture.
SAP consultant for Re-building of SAP Authorizations
Groupe PSA
mars 2010 - oct. 2010
8 mois
Paris, France
In charge of migrating authorizations for 7,000 business users (Procurement, ADV, Logistics, Stores, Finance, Management, Commerce, Marketing)
Delivery of an SAP R/3 Roll-Out Kit
JCDecaux
nov. 2009 - mars 2010
5 mois
78370 Plaisir, France
In charge of improving the Core Model deployment process in the European subsidiaries
SAP SD consultant
AP-HP, Assistance Publique - Hôpitaux de Paris
févr. 2009 - mars 2009
2 mois
Paris, France
SAP SD consultant at the AP-HP SAP skills center. Level 3 support (functional expert) on SAP SD, PS from the AP-HP skills center. • Preparation of general and detailed design workshops with the integrator Accenture.; verification of receipt of the agenda, preparation of the expectations specified in this agenda, communication to the integrator of the documents requested in advance of the workshop. • Active participation in workshops by expressing the business point of view and producing the report. • Preparation of validation of specifications produced by the integrator. • Description of business acceptance scenarios, in integration with other domains (FI, CO, etc.). • Carrying out tests of the settings and programs produced by the integrator, taking care to create the necessary data for the tests. • Support business players in the field in coordination actions between the various key stakeholders in the SD field. • Provide the project team with an external and critical perspective on the structuring choices that must be arbitrated and validated.
Senior SAP Consultant
AIFE
févr. 2009 - mars 2009
2 mois
Paris, France
Training SAP of the trainers of Education Ministry for CHORUS deployment Implementation of Training Strategy - Training of Trainers of the 200 SRM users of the Education Ministry.
SAP Authorizations Expert
Alstom
févr. 2008 - mars 2009
1 an 2 mois
Paris, France
Audit SAP Authorizations for Alstom ITC (SAP Competences Centre). Review of security processes and management of SAP user authorization assignments
SAP P2P (Purchase to Pay) consultant
Siemens
févr. 2008 - mars 2008
2 mois
Paris, France
SOX Compliance Mission near Subsidiaries under "Purchase to Pay"
Senior SAP Consultant
Capgemini
févr. 2007 - mars 2007
2 mois
Paris, France
SAP GRC consultant at ALSTOM – ITC SAP Security Project: MOA/MOE SI. Responsible for implementing the access security project to SAP environments • Production of SAP GRC Virsa tools (Compliance Calibrator, FireFighter, Role Expert) for securing access, particularly for sensitive SAP transactions; • Updating transactions (management of authorization objects); Go-live and post-production support. SAP MDM consultant to the Ministry of Finance – CHORUS Project: IS project management Responsible for Capgemini's functional response, on the part of repository management SAP MDM consultant to the Ministry of Finance – CHORUS Project: AMOA SI. Assistance for using the Purchasing solution and benchmarks with different Ministries SAP Logistics Consultant AIR France Cargo - CARAIB Project: IS project management. Writing the proposal to match the SAP Transport business solution to customer needs
Formation
ESIEE PARIS
Mastere
1994 - 1995
1 an 2 mois
Université Paris-Saclay
Diplôme d'Etudes Approfondies de Physique des Plasmas
1990 - 1991
10 mois
E N C P B (rue Pirandello)
Pierre and Marie Curie University
Portfolio
