IT Infrastructure Engineer (Windows, Active Directory & VMware)

We’re looking for an IT Systems Engineer to join our global Infrastructure & Platform team. In this role, you will design, implement, maintain, and continuously improve infrastructure systems supporting PSI’s business operations globally.

Full-time employment based in France

Key Responsibilities

• Design, implement, maintain, and improve Windows and Linux server infrastructure
• Manage and maintain virtualization, storage, and backup platforms
• Administer Windows Active Directory and Public Key Infrastructure (PKI)
• Support enterprise applications and services hosted on Windows and Linux platforms, including email and business systems
• Manage infrastructure management and supporting systems, including monitoring, patch management, configuration management, and access control services
• Plan and execute OS patching and infrastructure upgrades in accordance with company policies
• Lead small and medium-sized infrastructure projects and participate in larger infrastructure initiatives
• Perform qualification, validation, troubleshooting, and performance optimization of infrastructure systems
• Maintain accurate infrastructure asset inventory, warranties, and related services
• Coordinate with infrastructure vendors, including tracking deliveries, contract execution, and vendor activities
• Develop and maintain technical documentation, procedures, and system standards
• Collaborate with Network & Connectivity and Cloud & Modern Workplace teams on cross-domain initiatives