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# IT System Administrator

- **Company:** Luxquanta
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Confluence, JIRA, Microsoft Azure, Software as a Service, Cyber Security, Dynamic Host Configuration Protocol, Disaster Recovery, Domain Name System (DNS), Identity and Access Management, Virtual Private Networks (VPN), Networking Basics, Network Segmentation, Network Administration, Role-Based Access Control, Zero Trust Network Access, TCP/IP, Virtual Local Area Networks, Wide Area Networks, Wireless Networks, Working Model 2D, Firewalls (Computer Science), Odoo, Information Technology, Patch Management, Hardware Asset Management, CIS Benchmarks, Hubspot, Network Server
- **Published:** August 15, 2026
- **Apply:** https://es.trabajo.org/oferta-9000-0d256fce36437c6ac83e2d1f6245046f

## About the Role

and VLANs. - Compliance, Governance & Documentation: Maintain IT documentation, support internal/external audits (ENS, GDPR), and report to the CTO. - Vendor & Budget Management: Manage IT contracts, contribute to budget planning, and optimize costs. Qualifications & Skills - Degree in Computer Science, IT, or Telecommunications. - 4-8 years of experience in an IT systems administration or IT infrastructure role. - Additional certification in cybersecurity or information security (CISM, CISSP, ISO 27001 Lead Implementer) is a strong plus. - Experience supporting compliance with regulatory frameworks (ENS, ISO 27001, GDPR or equivalent). - Experience managing SaaS platform ecosystems (Odoo, Jira, HubSpot, Factorial or similar). - Solid knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VLANs, VPN, firewalls) and cybersecurity frameworks (Zero Trust, CIS Controls, ENS, NIST). - High level of ownership, accountability, proactivity, and strong analytical
skills. - Spanish & English: professional competence. Compensation & Benefits - Competitive salary, private health insurance, and ticket guardería. - Lunch at the office for less than 2€ - Flexible working hours and hybrid working model. - Short Fridays during the Summer. At Luxquanta, we are committed to building a diverse and inclusive workplace where everyone can thrive. We are proud to be an equal opportunity employer that values and respects LGTBI individuals. Ready to join our journey? Apply today QuantumCommunications #DeepTech #ITJobs #SystemAdministrator #Cybersecurity #Hiring #TechCareers #CloudInfrastructure #Azure #BarcelonaTech

## Description

Tasks & Responsibilities - Infrastructure Management & Operations: Deploy, configure, maintain, and monitor servers, networks, and Microsoft Azure cloud environments. Maintain hardware lifecycle and backup/disaster recovery procedures. - Cybersecurity & Information Security: Own and enforce security policies (Zero Trust, least-privilege, EDR, patch management). Support compliance with the Esquema Nacional de Seguridad (ENS) and CCN's security guidelines, including isolated (air-gapped) workstations. - Identity & Access Management: Admin Microsoft accounts, enforce MFA/SSO, and manage role-based access control (RBAC). - End-User Support & Device Management: Provide technical support, manage MDM solutions, handle onboarding/offboarding, and maintain IT asset inventory. - SaaS Platform Administration: Manage platforms like Microsoft 365, Odoo SH, HubSpot, Factorial, Jira, and Confluence. - Network Administration: Design and monitor LAN, WAN, wireless networks, network segmentation


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