Imagine stepping into a role where every system you manage directly supports teams working on mission-critical, high-impact technology. As a Systems & Networks Administrator, you’ll be a key player in managing, securing, and optimizing a diverse IT environment across the organisation.

La experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.
This is a true “jack of all trades” role, idóneo for someone with deep hands‑on experience across Microsoft 365, AWS, Jira, Windows Server, and network infrastructure, paired with a strong, proactive security mindset. You’ll ensure the reliability, scalability, and security of the systems that power day‑to‑day operations and future growth.
What You’ll Do
- Administer, monitor, and optimize Microsoft 365 services (Exchange Online, SharePoint, Teams, Defender, Entra ID, Intune)
- Manage and maintain AWS cloud infrastructure, including identity sources, networking, security controls, HPC, SAML, and Route53




- Support Windows Server environments, including Active Directory, file services, patching, and backups
- Administer and customize Atlassian Jira and Confluence, aligning tools with team workflows and integrations
- Support network infrastructure including switches, routers, firewalls, VPNs, site connectivity, and basic SD‑WAN
- Design and maintain network layouts and subnet allocations for new and existing facilities
- Apply security best practices across systems and networks, supporting compliance, monitoring, and incident response
- Troubleshoot complex issues across infrastructure, cloud platforms, networks, and applications
- Provide guidance to IT support teams on complex software and hardware issues
- Contribute to IT strategy and propose improvements to performance, security, and reliability
- Maintain clear documentation of systems, configurations, and processes

What You’ll Need
- Bachelor’s degree in IT, Computer Sc

📌 Network System Specialist (Madrid)
🏢 Strativ Group
📍 Madrid