Senior IT Data Systems Administrator

About the Opportunity

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

• Architect, deploy, and maintain mission-critical IT infrastructure, ensuring high availability, scalability, and optimal performance.


• Design and implement enterprise security policies, identity management solutions, and access control frameworks.


• Lead infrastructure strategy, including vendor management, hardware lifecycle planning, and capacity forecasting.


• Drive complex infrastructure projects such as system upgrades, migrations, and technology implementations.


• Establish technical standards, documentation, and operational best practices.


• Design, implement, and maintain enterprise clustering and networking solutions, optimizing connectivity, resilience, and security.


• Collaborate with global teams to continuously improve infrastructure reliability and operational excellence.

Requirements

• 7+ years of experience managing complex enterprise IT infrastructure.


• Degree in Computer Science, Information Technology, or a related field (or equivalent professional experience).


• Strong experience designing and supporting high-availability environments, clustering technologies, and enterprise infrastructure.


• Advanced knowledge of:
  
  
  
  • Windows and macOS environments
  
  
  • Active Directory
  
  
  • Enterprise networking
  
  
  • Meraki
  
  
  • Remote Monitoring & Management (RMM) tools
  
  
  
  


• Experience administering Linux systems is highly desirable.


• Database administration experience is considered a strong plus.


• Professional fluency in English and Spanish is required.


• German is a plus.


• 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.