We’re looking for an IT Systems Engineer to join our integral 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
- Ex

📌 IT Infrastructure Engineer (Madrid)
🏢 Psi Cro
📍 Madrid