IT Infrastructure Modernization
Context
The client, a major public transportation operator, launched a large-scale modernization of its IT infrastructures across multiple regions and Data Centers. This initiative, led within the infrastructure department, covers a broad scope including infrastructure project management, network and system expertise, regional support, and the maintenance and evolution of critical environments. To support this transformation, the client relies on Avaliance to secure, harmonize, and industrialize its infrastructures while ensuring service continuity.
Challenges
The client needed to modernize and secure its network and system environments while maintaining a high level of availability.
Key challenges included the industrialization and centralization of backup systems, the successful execution of complex migrations (data, software, workstations, and services), the harmonization of architectures across regions and Data Centers, and compliance with service continuity and infrastructure requirements.

Achievements
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management and contribution to infrastructure projects, including data and environment migrations
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harmonization and security enhancement of network, system, and virtualized infrastructures across regions and Data Centers
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centralization and reliability improvement of regional backups into Data Centers
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integration and operation of virtualization, storage, and backup technical platforms
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production of technical documentation and knowledge transfer to support teams