Freelancer profile translated to English.
Back to original languageAbout Gessim
💻 IT Specialist | Access Security | Metrology | Networks & Systems. With solid expertise in IT, project management, network and systems engineering, and cybersecurity, I have worked in demanding technical and strategic environments, notably during the Paris 2024 Olympic and Paralympic Games and within the Ministry of National Education.
🏫 I contributed to digital identity management projects (IAM, SSO, MDM), strengthening the security and access to national educational digital services. These experiences allowed me to lead complex projects, optimize IT infrastructures, and ensure reliable and secure solutions.
💼 Key Skills:
✔ IT Project Management & Team Coordination
✔ Systems Security & Identity Management (IAM, SSO, Identity Federation, OTP)
✔ Network Infrastructure Deployment & Monitoring
✔ ServiceNow, Incident Management, Continuous Improvement
✔ KPI Tracking, Reporting, Performance Optimization
🚀 Passionate about IT innovation, digital transformation, and cybersecurity, I am always open to professional exchanges and collaborations.
French
Native or bilingual
English
Conversational
Can work on-site
Chennevières-sur-Marne (up to 50km)
Experience
- Ministère de l'Éducation nationaleAccreditation and Identity Services Metrology Project ManagerEDUCATION AND E-LEARNINGApril 2025 - November 2025 (7 months)Paris, France📍 Digital Education Directorate (DNE) – Ministry of National EducationI lead projects related to digital identity and access management for all educational digital users, in a strategic environment with high societal impact.My missions are structured around two main areas:🔐 AccreditationsCoordination of the national accreditation policy (IAM) in conjunction with the ministry's various stakeholdersMonitoring and support for projects on access and security needsFacilitation of project committees, development of roadmaps and strategic documentationActive participation in the redesign of accreditation policies📊 Identity Services MetrologyLeadership of load testing (TMC) on services such as ÉduConnectImplementation of monitoring tools, dashboards, and performance indicatorsManagement of technical documentation, testing strategy, and results analysisI leverage my skills in IT project management, information systems security, and application performance to contribute to secure, accessible, and efficient educational digital services.
- Paris 2024 - Comité d'organisation des Jeux Olympiques et Paralympiques de 2024Venue IT ManagerSPORTSJanuary 2024 - October 2024 (9 months)Saint-Denis, FranceAs Venue IT Manager for the Paris 2024 Olympic and Paralympic Games, I was responsible for managing and implementing technological solutions to ensure the smooth operation of IT infrastructure at Roissy-Charles de Gaulle and Orly airports.Key responsibilities:- Technology Coordination: Lead technical teams for IT systems planning, installation, and deployment, ensuring reliable connectivity and services for athletes, officials, and spectators.- Project Management: Oversee complex IT projects, adhering to deadlines and budgets, while ensuring compliance with security and performance standards.- Schedule Management: Develop and manage IT team schedules, ensuring optimal resource allocation to meet event needs.- IT Engineer Supervision: Supervise and guide IT Engineers, ensuring their training and professional development to maximize team efficiency.- Cross-team Collaboration: Work closely with various partners, including airport authorities, security teams, and event organizers, to ensure seamless integration of IT services.- Technical Support: Implement effective technical support to quickly resolve IT issues during the event, ensuring an optimal experience for all users.- Technological Innovation: Evaluate and integrate new technologies to improve operations, while staying at the forefront of industry trends.This experience allowed me to develop solid expertise in large-scale IT infrastructure management, while strengthening my ability to work under pressure in a dynamic and international environment.
- ORANGEMobile Refurbishment Production Project ManagerTELECOMMUNICATIONSSeptember 2021 - September 2023 (2 years)Villejuif, FranceAs a Project Manager, I led complex mobile infrastructure refurbishment projects, from feasibility study to commissioning. I ensured coordination between technical teams and service providers, while adhering to deadlines, budgets, and quality standards.Key achievements:- Management of large-scale projects across the territory, including the deployment and optimization of mobile networks.- Supervision of infrastructure refurbishments to maximize network coverage and capacity.- Close collaboration with internal teams (engineering, operations) and subcontractors to ensure smooth project execution.- Rigorous KPI monitoring, enabling process optimization and improvement of operational performance.- Conducting regular progress meetings with stakeholders to ensure smooth communication and achievement of objectives.
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Education
- CCSP Cert Prep: 5 Cloud Security Operations CyberOps Associate Prepare your career in cybersecurity byMicrosoftCCSP Cert Prep: 5 Cloud Security Operations CyberOps Associate Préparer votre carrière dans la cybersécurité par
- Master, Network and Systems EngineeringUVSQ Université de Versailles Saint-Quentin-en-Yvelines2023Master, Ingénierie des Réseaux et Systèmes