IT Infrastructure Engineer (Windows, Active Directory & VMware)

SmartRecruiters, Inc.; Saint-Maur-des-Fossés; On-site; EUR 60,000 - 80,000; Full time

Job summary

PSI is seeking an IT Systems Engineer to join our global Infrastructure & Platform team. You will design, implement, maintain, and continuously improve infrastructure systems supporting PSI's operations worldwide.

This is a full-time position based in France, with responsibilities spanning Windows/Linux server infrastructure, AD/PKI, and enterprise email services. You will collaborate across domains and lead infrastructure projects.

Qualifications

• University degree in IT, CS or related field.
• Full professional English proficiency.
• Hands-on Windows Server and Active Directory experience.
• Experience with virtualization technologies.
• Experience with Windows and/or Linux server administration.
• Experience with PKI and email/MTA technologies.
• Experience with backup and disaster recovery solutions.
• Experience leading infrastructure projects.
• Experience with monitoring, patch management, and configuration management.
• Ability to document technical details clearly.

Responsibilities

• Design, implement, maintain, and improve Windows and Linux server infrastructure.
• Manage virtualization, storage, and backup platforms.
• Administer Windows Active Directory and PKI.
• Support enterprise apps and services on Windows and Linux, including email.
• Manage infrastructure management, monitoring, patching, and configuration services.
• Plan OS patching and infrastructure upgrades per policies.
• Lead small and medium infrastructure projects.
• Perform qualification, validation, troubleshooting, and performance optimization.
• Maintain infrastructure asset inventory, warranties, and related services.
• Coordinate with infrastructure vendors and track deliveries and contracts.
• Develop and maintain technical documentation and system standards.
• Collaborate with Network & Connectivity and Cloud & Modern Workplace teams.

Skills

Windows Server

Active Directory

Virtualization

Linux server administration

PKI

Email/MTA technologies

Backup & DR

Infrastructure projects

Monitoring & patching

Documentation

English proficiency

Education

University degree in IT/CS

Tools

VMware

Proxmox

Hyper-V

Azure

Zabbix

PowerShell

Exchange/Postfix

Veeam

Job description

• Full-time

Company Description

PSI is a leading Contract Research Organization (CRO) with about 30 years of experience in the pharmaceutical industry. Originated in Switzerland, PSI is a privately owned, full-service CRO with a global reach, supporting clinical trials across multiple countries and continents. Our reputation for being highly selective about the projects we undertake highlights our commitment to delivering high-quality, timely services across a broad spectrum of therapeutic indications.

At PSI, we foster an environment where a diverse range of colleagues feel welcomed and valued. Our inclusive culture is a cornerstone of our success, enabling us to attract and retain top talent globally.

We are not just about conducting clinical trials; we are about building a community where every team member has the opportunity to thrive and contribute to groundbreaking advancements in the pharmaceutical industry.

Job Description

We’re looking for anIT Systems Engineerto 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

Qualifications

Must-have qualifications

• University degree in IT, Computer Science, or a related field
• Full professional proficiency in English (written and spoken)
• Strong hands-on experience with Windows Server and Active Directory
• Practical experience with virtualization technologies
• Experience with Windows and/or Linux server administration
• Experience with enterprise infrastructure services such as PKI and email/MTA technologies
• Practical experience with backup and disaster recovery solutions
• Experience designing, implementing, and managing infrastructure projects
• Experience with infrastructure monitoring, patch management, and configuration management
• Ability to troubleshoot complex infrastructure issues and maintain detailed technical documentation

Good to have

• Experience with VMware, Proxmox, or Hyper-V
• Experience with Microsoft Azure and hybrid infrastructure
• Experience with Azure Arc and Azure Update Manager
• Experience with Zabbix or other infrastructure monitoring platforms
• Experience with PowerShell or other scripting languages and infrastructure automation
• Experience with Microsoft Exchange, Sendmail, or Postfix
• Experience with Veeam or similar backup technologies
• Familiarity with ITIL, change management, qualification, and validation processes
• Relevant Microsoft, virtualization, Linux, or other infrastructure certifications