An innovative and fast-growing international deep-tech manufacturing company is looking for a Senior IT Infrastructure & Systems Administrator to lead the architecture, scalability, and optimization of its mission-critical IT infrastructure across Spain and global operations.
This is a strategic, hands-on role where you’ll be responsible for ensuring the reliability, security, and performance of enterprise systems while supporting the company’s continued international growth. You’ll work closely with cross-functional teams, driving infrastructure initiatives and defining best practices across complex, high-availability environments.
Key Responsibilities
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Architect, deploy, and maintain mission-critical IT infrastructure, ensuring high availability, scalability, and optimal performance.
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Design and implement enterprise security policies, identity management solutions, and access control frameworks.
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Lead infrastructure strategy, including vendor management, hardware lifecycle planning, and capacity forecasting.
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Drive complex infrastructure projects such as system upgrades, migrations, and technology implementations.
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Establish technical standards, documentation, and operational best practices.
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Design, implement, and maintain enterprise clustering and networking solutions, optimizing connectivity, resilience, and security.
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Collaborate with global teams to continuously improve infrastructure reliability and operational excellence.
Requirements
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7+ years of experience managing complex enterprise IT infrastructure.
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Degree in Computer Science, Information Technology, or a related field (or equivalent professional experience).
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Strong experience designing and supporting high-availability environments, clustering technologies, and enterprise infrastructure.
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Advanced knowledge of:
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Windows and macOS environments
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Active Directory
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Enterprise networking
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Meraki
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Remote Monitoring & Management (RMM) tools
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Experience administering Linux systems is highly desirable.
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Database administration experience is considered a strong plus.
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Professional fluency in English and Spanish is required.
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German is a plus.
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Availability to travel occasionally between company locations within Spain.
What They’re Looking For
The ideal candidate combines strong technical expertise with a strategic mindset. You’ll be comfortable working in complex, fast-paced environments, leading infrastructure initiatives from design through execution, and acting as a technical reference for critical IT systems supporting international operations.