We are hiring! Join Luxquanta as an IT System Manager.At Luxquanta, we are pioneering the Quantum Communications industry, delivering solutions that use the properties of quantum physics to secure communications. Five years in, we are scaling internationally — and we are 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 RoleAs IT System Manager, you will 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 & ResponsibilitiesDeploy, maintain and monitor servers, network and endpoint infrastructure.Manage our Microsoft Azure environment and lead backup and disaster recovery planning and testing.Provide end‑user support and device management, including MDM, IT onboarding/offboarding end‑to‑end, and IT inductions for new hires.Design and monitor LAN/WAN/wireless infrastructure,



manage VLANs and firewall segmentation, and maintain isolated networks for classified information.Keep IT documentation and security policies current, support ENS/GDPR audits, and report regularly on infrastructure status and risk.QualificationsDegree in Computer Science, IT, or Telecommunications.3–5 years of hands‑on experience in IT systems administration or infrastructure, ideally in a fast‑paced or regulated environment.Professional working proficiency in Spanish and English.Cybersecurity certification (CISM, CISSP, ISO 27001 Lead Implementer) is a strong plus.Experience with regulatory frameworks such as ENS, ISO 27001 or GDPR is a strong plus.Familiarity with Zero Trust, CIS Controls or NIST is a plus.BenefitsHybrid working model with adaptable hours.Short Fridays during the summer.Subsidised 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.Ready to help secure the future of communications? Apply today!

📌 It System Manager (Barcelona)
🏢 LuxQuanta
📍 Barcelona