Senior IT Data Systems Administrator
resilientco
Zaragoza
Posted Jul 13, 2026
- Full-time
- DFY
Job description
### 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.