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 Spain

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

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

If you feel it is time to make your skills and knowledge visible within a growing company with true focus on its people, then PSI is the right choice for you.

PSI is a leading Contract Research Organization (CRO) with 30 years of experience in the pharmaceutical industry. Originated in Switzerland, PSI is a privately owned, full-service CRO with a integral 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.

📌 IT Infrastructure Engineer (Windows, Active Directory & VMware) (Madrid)
🏢 Psi Cro
📍 Madrid