Gabriel Adetonah

Senior IT Project Manager | Network & Infrastructure

Salaire / Taux journalier

93800 Épinay-sur-Seine, France

Freelance

Expertises

Administration système & réseauConduite du changementHTMLCSSPHPMySQLJiraBudgétisationServiceNow

Langues

Français (Maternelle)Anglais (Courant)

À propos

Introduction

IT Project Manager with 8+ years leading network infrastructure and deployment projects for major enterprises like ENGIE, SPIE, and Société Générale. Managed multi-million euro portfolios across 20,000+ users in 8 countries, delivering complex migrations including SDWAN, Zscaler, and network security implementations. Expert in infrastructure modernization, budget control, and stakeholder coordination to deliver projects on time and within scope.

Liens

Expérience de travail

Network Project Manager

SPIE Operations

juil. 2022 - déc. 2023

1 an 6 mois

Cergy, France

Missions: ▪ Manage projects for the choice, deployment or development of IT infrastructures & networks. ▪ 8 subsidiaries, 20,000 users: England, Germany, France, Switzerland, Belgium Netherlands, OPS, OGS ▪ Project portfolio: ½ million euros. ▪ Sale of the UK subsidiary: Implement an autonomous and standalone IT solution • Help the profession to formalize the expression of needs • Organize calls for tenders and participate in the choice of the solution • Participate and guarantee the validation of technical and functional specifications • Coordinate development, testing, training and Change management activities Coordinate deployment (Roll-out) • Ensure transfer of the project to the operations team (Build to Run) Guarantee follow-up after going into production Ensure all project management activities: • Organize the project team, plan and manage internal and external resources assigned to the project activity: technical architect, integrator, outsourcers, etc. • Estimate then monitor resources and budgets • Plan activities, ensure validation of milestones and guarantee compliance with deadlines • Guarantee the quality of deliverables and compliance with commitments • Analyze and anticipate risks • Develop project monitoring dashboards and ensure that objectives are achieved • Organize and lead the steering and monitoring committees Projects monitored and technical environment: ZIA, ZPA (Zscaler) deployment, outsourcing: TATA, Zscaler Implementation of new core networks (Orange) and segmentation of the SPIE Upgrade WIFI Group network Setting up authentication silos at the AD level, upgrading AD servers.

IT Project Manager

ENGIE

oct. 2016 - juil. 2022

5 ans 10 mois

Paris, France

Missions: ✓ Coordination and monitoring of network, infrastructure, office automation and telephony projects. ✓ 2 Business Unit, 2000 users in France. ✓ Project portfolio: ¼ million euros. - SDWAN deployment project for ENGIE sites - Migration of site network infrastructure - Migration of the secure remote access system to the internal group network - SEP antivirus migration to CrowdStrike, SDWAN. - Migration to Skyphony, and Decommissioning of TOIP infrastructure - Implementation of Skydoor site-to-site audioconferencing system - Package deployments on IT equipment (wallpaper, software, end of life of IExplorer 11) - Relocation and IT development of new ENGIE sites Network densification of sites (change of servers, routers, switches, WiFi terminals, printers, etc.) - Network referent, inventory and control of network assets, costs of various network services provided by ENGIE IT Participation in monthly monitoring committees - Management of IT network incidents on sitesMyPortal management (servicenow) and Data privilege Daily management of requests, authorizations and IT incidents from end users (interfacing with the DESK service and monitoring of incident and escalation management)

IT Project Manager

Societe Generale

avr. 2016 - oct. 2016

7 mois

Tigery, France

Position: Project Manager / IS AMOA (Internship) Project: Study and implementation of a mainframe software repository Jobs done : • Analysis of the existing, collection of needs from the various end users. • Definition of project scope, cost, objectives and expected deliverables. • Elaboration of the provisional planning of the project and drafting of the specifications. • Management of communication with the various suppliers and interfacing with potential service providers. • Drafting of technical architecture diagrams • Drafting of the RFI and implementation of the call for tenders procedure (RFP) • Choice and implementation of the solution (POC) • Drafting of procedures, user training • Drafting of the balance sheet and closing of the project

Research Intern

Université de Reims Champagne-Ardenne

avr. 2015 - mai 2015

2 mois

Reims Area, France

The research project focused on the Study of the Programming Interface (API) of one of Google's devices: ChromeCast and the search for solutions to support captive portals. Use of network traffic analysis tools such as Wireshark and study of the main device discovery protocols in a network such as the DIAL protocol, SSDP.The research project focused on the Study of the Programming Interface (API) of one of Google's devices: ChromeCast and the search for solutions to support captive portals. Use of network traffic analysis tools such as Wireshark and study of the main device discovery protocols in a network such as the DIAL protocol, SSDP.

Intern

Benin Telecom SA

juil. 2012 - oct. 2012

4 mois

57800 Béning-lès-Saint-Avold, France

At the IP Platform Center, design of a web interface model for the management of Benin Telecom ADSL subscribers with tools such as HTML, CSS, PHP, MySQL


Formation

Université de Reims Champagne-Ardenne

Master's degree, Computer Systems Networking and Telecommunications

2014 - 2016

2 ans 1 mois

Ecole Supérieure de Gestion d'informatique et des Sciences

Master 1, Computer and Information Sciences, General

2013 - 2014

1 an 1 mois

Université du Littoral Côte d'Opale

Licentiate degree, Network and System Administration/Administrator

2012 - 2013

1 an 1 mois

Ecole Superieure de Gestion d'Informatique et des Sciences/Benin

Brevet de Technicien Supérieur, Telecommunications Engineering

2011 - 2012

1 an 1 mois

Ecole Polytechnique d'Abomey Calavi/UAC

Science de l'Ingénieur

2009 - 2011

2 ans 1 mois

Ecole préparatoire aux Grandes Ecoles


Licences et certifications

Chef de projet Digital

Délivré le : janv. 2018

Certifié par 26 ACADEMY

IT Information Library Foundations Certification (ITIL)

Délivré le : oct. 2017

Certifié par AXELOS Global Best Practice

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