Context

The client, a major international banking group, initiated a program to strengthen compliance, automation, and observability of its critical system environments. These environments, based on Windows and Citrix platforms, require high levels of reliability, security, and operational control to ensure service continuity and compliance with regulatory requirements. To support this initiative, the client relies on Avaliance to modernize monitoring tools, improve infrastructure reliability, and industrialize operational practices.

Challenges

The client needed to ensure that its Windows and Citrix environments comply with internal and regulatory standards while improving the quality of service delivered to users.

The challenges also included optimizing automation processes, effectively leveraging performance indicators (KPIs), enhancing infrastructure observability, and reducing operational risks associated with manual interventions.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach combining automation, monitoring, and compliance, built around the following pillars:
  • analysis and utilization of performance indicators for Windows and Citrix platforms

  • modernization of monitoring and management tools for system environments

  • integration of automation solutions to industrialize recurring operations

  • continuous security and compliance reinforcement of Citrix infrastructures

  • cross-functional coordination for incident and vulnerability management and industrialization of technical processes

Technologies & Tools

Citrix
Windows Server
Observability
Process Automation
KPI Monitoring

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
significant improvement in compliance of Windows and Citrix environments with internal and regulatory requirements
2
25% to 35% reduction in manual interventions through automation of recurring operations
3
improved service quality and stability of critical platforms
4
enhanced visibility into performance and system health through consolidated and actionable KPIs
5
reduced operational risks through more industrialized and secure operational practices

Context

As part of a broader IT transformation and organizational restructuring, the client launched an initiative to improve the operational efficiency of its Digital Workplace scope. This involved managing day-to-day activities, overseeing service management providers both onshore and offshore, and monitoring ongoing projects in an environment requiring strong coordination, responsiveness, and service quality. To secure this transition and structure operational governance, the client relied on Avaliance to organize activities, optimize processes, and ensure overall performance.

Challenges

The client needed to strengthen the reliability of its Digital Workplace operations while improving coordination with service providers and internal teams.

Key challenges included structuring processes, improving prioritization, controlling operational flows, ensuring rigorous project management, and maintaining a high level of service quality for end users.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to operational management and service governance:
  • organization and management of Digital Workplace activities and operational workflows

  • supervision of service management providers, including offshore teams (L1, L2, L3)

  • project management with tracking of budgets, resources, risks, and timelines

  • improvement of prioritization mechanisms and coordination of internal and external stakeholders

Core Focus Areas

Digital Workplace
Service Management
Offshore Coordination
Operational Governance
IT Transformation
L1/L2/L3 Support Monitoring

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
improved control over Digital Workplace operations across the organization
2
stronger coordination between internal teams and service providers
3
more effective prioritization of actions and projects in line with business needs
4
enhanced service quality perceived by end users
5
implementation of a structured governance framework enabling sustainable IT performance

Context

The client initiated a major migration of its IT workstation environment to replace an outdated Windows ecosystem and secure its digital usage. This transition had significant impacts across the entire user ecosystem, including email, network, business applications, browsers, secure printing, and virtualized environments. To support this critical migration, the client relies on Avaliance to lead technical operations, ensure application compatibility, and guarantee service continuity.

Challenges

The client needed to successfully migrate to a modern Windows environment while minimizing operational risks.

Key challenges included ensuring compatibility of business applications and browsers, maintaining service continuity, securing access and printing systems, and improving virtualized environments and testing platforms required for application evolution.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to migration and user environment security, built around the following pillars:
  • full migration of the Windows environment to a more recent and secure version

  • adaptation of associated infrastructures (email, network, browsers, proxy)

  • analysis and validation of business application compatibility

  • implementation of configuration policies (GPO) and browser optimization

  • creation of virtualized environments for testing and secure access configuration

Technologies & Frameworks

Windows Migration Digital Workplace Active Directory / GPO Virtualized Environments Application Compatibility Secure Printing

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
successful migration of the Windows environment without major service disruption
2
maintained application compatibility and continuity of business operations
3
improved workstation and access security through centralized configurations
4
reduction in user incidents thanks to structured technical support
5
implementation of a modern and sustainable Digital Workplace, enabling future evolutions

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.

Avaliance Intervention

Achievements

Avaliance deployed a comprehensive approach combining program management, technical expertise, and operations, built around the following pillars:
  • management and contribution to infrastructure projects, including data and environment migrations

  • harmonization and security enhancement of network, system, and virtualized infrastructures across regions and Data Centers

  • centralization and reliability improvement of regional backups into Data Centers

  • integration and operation of virtualization, storage, and backup technical platforms

  • production of technical documentation and knowledge transfer to support teams

Technologies & Domains

Virtualized Infrastructure Datacenter Modernization Multi-site Backup Centralization Storage Systems Network & System Security Infrastructure Migration

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
modernization and security reinforcement of IT infrastructures across all regions and Data Centers
2
harmonization of architectures and operational practices at a national scale
3
centralized and more reliable backup systems, strengthening overall infrastructure resilience
4
ensured service continuity during major migrations and transformations
5
implementation of an industrialized and sustainable operating framework for infrastructure evolution

Context

The client, a key player in critical services, must ensure the stability, performance, and availability of its technical platforms. These infrastructures rely on IBM AIX environments and IBM TSM backup systems, which are essential for business continuity. To secure operations, support hardware upgrades, and enhance the reliability of these environments, the client relies on Avaliance to optimize and maintain its system and backup infrastructures.

Challenges

The client needed to ensure the availability and reliability of IBM TSM backup systems while maintaining service continuity during sensitive hardware migration operations on IBM Power environments.

The challenges also included optimizing the performance of AIX systems and multi-vendor storage infrastructures, reducing technical incidents, and improving overall service quality in critical environments.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to the operation and optimization of critical infrastructures, built around the following pillars:
  • administration and monitoring of IBM TSM backup environments (installation, configuration, incident management)

  • administration of IBM AIX systems, including support for hardware migrations (Power8 to Power10), tuning, and troubleshooting

  • management and optimization of multi-vendor storage environments (IBM DS8000, Storwize, Dell, Hitachi)

  • contribution to the continuous improvement of existing infrastructures and operational continuity support

Technologies & Infrastructure

IBM AIX
IBM TSM (Spectrum Protect)
IBM Power (Power8 to Power10)
Multi-vendor Storage (IBM, Dell, Hitachi)
High Availability

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
strengthened availability and reliability of IBM TSM systems and AIX environments
2
ensured service continuity during sensitive hardware migrations on IBM Power platforms
3
improved performance of systems and multi-vendor storage infrastructures
4
significant reduction in technical incidents across critical and production environments
5
implementation of a robust and sustainable operating framework for critical infrastructures

Context

The client, a major international banking group, operates a very large Windows server estate requiring high levels of industrialization, security, and monitoring. To meet these requirements, the client launched an initiative to automate operational processes, strengthen compliance, and improve security management across more than 20,000 Windows servers. In this context, the client relies on Avaliance to design automation and monitoring solutions based on modern technologies, combining Python, Flask, MongoDB, and Kibana.

Challenges

The client needed to industrialize the management of its Windows infrastructure while ensuring high levels of compliance and security.

Key challenges included automating system operations at scale, ensuring server compliance (antivirus, monitoring, restart policies), monitoring and securing a critical server estate, and industrializing the tracking and deployment of critical Microsoft patches.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to automation and monitoring of Windows environments, built around the following pillars:
  • design and optimization of APIs for Windows infrastructure management to automate operations (OS installation, start/stop)

  • development of automation solutions based on Python and Flask

  • implementation of compliance monitoring mechanisms for Windows infrastructures (antivirus, restart policies)

  • centralization and visualization of operational data through MongoDB and Kibana

  • industrialization of tracking and deployment of critical Microsoft patches across the server estate

Technologies & Tools

Python
Flask
MongoDB
Kibana
Windows API Automation
Microsoft Patching

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
large-scale automation of Windows environment management across more than 20,000 servers
2
significant improvement in compliance and security of critical infrastructures
3
reduction in manual interventions through APIs and industrialized processes
4
enhanced operational visibility through consolidated and actionable dashboards
5
increased reliability and stability of IT environments in a high-stakes operational context
6
significant reduction in manual workload through automation of operational processes

Context

The client, a leading industrial player, launched a workplace modernization initiative. This program aims to migrate workstations and servers to newer versions of Windows while ensuring service continuity and compatibility with business applications. To support this strategic transformation, the client relies on Avaliance to ensure technical leadership and overall coordination of the migration program.

Challenges

The client needed to ensure a seamless transition to new Windows environments without disrupting services for end users.

The challenges also included meeting project milestones, minimizing post-migration incidents, maintaining application compatibility, and strengthening coordination between technical teams and users in a Digital Workplace transformation context.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to program management and execution, built around the following pillars:
  • technical leadership of the Windows migration program for both workstations and servers

  • coordination of technical teams involved in the migration

  • validation and securing of business application compatibility with new Windows versions

  • operational monitoring of deployments and proactive risk management

  • user support to minimize the impact of change

Technologies & Frameworks

Digital Workplace Windows Migration Infrastructure Modernization Application Compatibility Service Continuity

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
successful migration of Windows workstations and servers to new versions without major service disruption
2
significant reduction in post-migration incidents through rigorous planning and execution
3
adherence to project milestones and timelines in a constrained environment
4
maintained service continuity and quality for end users
5
implementation of a replicable methodological framework to support future Digital Workplace transformations

Context

The client, a leading industrial player, launched a workplace modernization initiative aimed at migrating to newer versions of Windows. This strategic initiative is part of a broader IT modernization effort, while being constrained by strong requirements for service continuity and application compatibility. To support this critical transition, the client relies on Avaliance to ensure technical leadership, team coordination, and secure execution of the project.

Challenges

The client needed to ensure a smooth migration of workstations without service disruption for end users, while maintaining compatibility with existing business applications.

The challenges also included strict adherence to project timelines, minimizing post-migration incidents, and ensuring effective coordination between multiple technical stakeholders in a high-stakes digital transformation context.

Avaliance Intervention

Achievements

Avaliance deployed a structured approach to program management and technical execution, built around the following pillars:
  • definition and management of the Windows workstation migration plan

  • coordination of technical teams involved in the project

  • validation and securing of business application compatibility with new Windows versions

  • operational monitoring of deployments and proactive risk management

  • support for teams during the transition to minimize user impact

Technologies & Keywords

Windows Migration Workplace Modernization Application Compatibility Program Leadership Service Continuity

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
successful migration of workstations to new Windows versions without major service disruption
2
significant reduction in post-migration incidents through rigorous planning and execution
3
adherence to project timelines and key milestones in a constrained environment
4
maintained compatibility of critical business applications, ensuring business continuity
5
implementation of a replicable methodological framework to support future workplace transformations

Context

The client, a large international banking group, initiated the modernization of its storage infrastructure to address performance, scalability, and governance challenges. As part of this initiative, the client launched the implementation of an object storage solution based on Scality technology, with the objective of providing an S3 service accessible via API to the group’s various entities. To support this strategic initiative, the client relies on Avaliance to design, deploy, and operate an object storage platform aligned with group standards.

Challenges

The client needed a scalable, secure, and highly available object storage platform capable of integrating seamlessly with internal applications.

The challenges also included structuring a storage offering delivered as a service, industrialized, compliant with internal standards, and easily usable by consuming teams, while ensuring a high level of automation and reliability.

Avaliance Intervention

Achievements

Avaliance implemented a structured, service-oriented, and industrialized approach, built around the following pillars:
  • design and deployment of an object storage platform based on S3-compatible technology

  • provision of an API-accessible object storage service for all group entities

  • automation and securing of operational and administrative processes

  • ensuring operational stability and maintenance of the object storage infrastructure

  • alignment of the solution with internal technical, security, and governance standards

Technologies Used

Scality
S3 (Simple Storage Service)
API-led Infrastructure
Object Storage
Storage-as-a-Service

Results

Thanks to Avaliance’s intervention, the client achieved concrete and measurable results:
1
deployment of an industrialized S3 object storage service available to all group entities
2
significant improvement in the scalability and availability of storage services
3
reduced provisioning time for storage spaces through automation and API exposure
4
increased reliability and security of object storage usage, in compliance with banking group requirements
5
creation of a storage-as-a-service offering, enabling large-scale adoption and evolution of application usage
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