IT Infrastructure Engineer (Windows, Active Directory & VMware)

Job Description 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 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 Additional Information 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. Company Description 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 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.