We are hiring! Join Luxquanta as an IT System ManagerAt Luxquanta, we are pioneering the Quantum Communications industry, delivering solutions that use the properties of quantum physics to secure communications. Five years in, we're scaling internationally - and we're looking for a technical leader who wants to own the IT infrastructure of a deep-tech company handling truly sensitive, classified information from day one.About the Role

As IT System Manager, you'll have full ownership of Luxquanta's internal IT infrastructure - from cloud environments to air-gapped networks. In a company where IT security and system availability are regulatory requirements, not just operational nice-to-haves, this role carries real technical authority and direct influence over how we scale securely.Main Tasks & Responsibilities

Infrastructure & Operations: Deploy, maintain and monitor servers, network and endpoint infrastructure, manage our Microsoft Azure environment, and lead backup and disaster recovery planning and testing.End-User Support & Device Management: Be the technical backbone for all employees - manage MDM, own IT onboarding/offboarding end-to-end,



and deliver IT inductions for new hires.Network Administration: Design and monitor our LAN/WAN/wireless infrastructure, manage VLANs and firewall segmentation, and maintain isolated networks for classified information.Compliance & Governance: Keep IT documentation and security policies current, support ENS/GDPR audits, and report regularly on infrastructure status and risk.Degree in Computer Science, IT, or Telecommunications3-5 years of hands-on experience in IT systems administration or infrastructure, ideally in a fast-paced or regulated environmentSpanish & English: professional working proficiencyCybersecurity certification (CISM, CISSP, ISO 27001 Lead Implementer) - strong plusExperience with regulatory frameworks such as ENS, ISO 27001 or GDPR - strong plusFamiliarity with Zero Trust, CIS Controls or NIST - a plusHybrid working model with adaptable hoursShort Fridays during the summerSubsidized lunch at the office (under €2!)We are committed to building a diverse and inclusive workplace and welcome applications from candidates of all backgrounds and experience levels.

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📌 IT System Manager (Madrid)
🏢 LuxQuanta
📍 Madrid