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.
- 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.
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.
Skills Required
- 7+ years managing complex enterprise IT infrastructure
- Degree in Computer Science, Information Technology, or equivalent experience
- Strong experience designing and supporting high-availability environments and clustering technologies
- Advanced knowledge of Windows and macOS environments
- Advanced knowledge of Active Directory
- Advanced knowledge of enterprise networking
- Experience with Meraki
- Experience with Remote Monitoring & Management (RMM) tools
- Professional fluency in English and Spanish
- Availability to travel occasionally between company locations within Spain
- Experience administering Linux systems
- Database administration experience
- German language skills
What We Do
ResilientCo is a professional consultancy firm specializing in all aspects of resilience, including community building, risk management, and emergency and disaster response. The company provides expert guidance in strategy development, organizational resilience, and the management of natural hazards and societal risks, aiming to enhance sustainability and the capacity of organizations and communities to withstand and recover from systemic challenges.
