Network & Security Administrator - Aruba

Description

Job Summary: We are seeking an Administrator for the Network Security & Connectivity unit, responsible for the operation and administration of networks and systems, ensuring technological security and optimization. Key Highlights: 1. Be part of a unit driving secure digital transformation 2. Design, implement, and manage intelligent infrastructures 3. Provide end-to-end services in networking and IT security **ARE YOU READY FOR THE CHALLENGE?** ------------------------ As an **Administrator**, you will join SEIDOR's **Network Security \& Connectivity** unit, where we drive organizations' secure digital transformation—combining over 25 years of experience in networking, security, and connectivity with a holistic vision focused on people, data, and innovation. We design, implement, and manage intelligent infrastructures that connect, protect, and optimize technology environments—from the workplace and data center to hybrid or multicloud environments. Our team delivers end\-to\-end services covering consulting, design, deployment, operations, and automation of networking and IT security. **WHAT WILL YOU DO DAILY?** ------------------------------- Your responsibilities will include: * Completing all assigned internal general or specialized training programs. * Supporting NOC Operators \- Level 1 during your learning process. * Performing tasks assigned by the NOC Technical Team Leader within the following areas: + Analyzing and operating monitoring systems to proactively handle alerts for resolution or anomaly identification. + Evaluating and triaging alerts for documentation, resolution, and subsequent escalation to relevant support teams. + Handling assigned requests, changes, and incidents, always ensuring compliance with service-level agreements (SLAs). + Managing and supervising assigned tickets, documenting all related activities and updating statuses and priority levels in the ITSM tool. + Executing complex or non-procedural preventive actions to assess the status of systems within scope. + Preparing complex or critical reports, newly developed procedures, and advanced technical instructions. Managing and supervising the NSOC\-KB (Wiki) to request updates or modifications from the NSOC L1 \- L0 teams. + Knowledge of Aruba technology, specifically Aruba Central for managing APs and switches. + Administration of centralized wireless environments using Aruba and knowledge of 802\.1x authentication protocols. **WHAT DO WE EXPECT FROM YOU?** ------------------------- * **Education:** Intermediate or Advanced Vocational Training degree in technical fields. * **Languages:** Bilingual in Catalan and Spanish; basic English proficiency. * **Experience:** Minimum 4 years of demonstrable experience in network or systems operations and administration teams. * **Knowledge and experience** at foundational/intermediate level in at least 3 of the following areas: + Switching \& Routing. + Wireless. + Network Access Control (NAC), RADIUS, 802\.1x. + DNS, DHCP, NTP, IPAM systems. + Firewalls. + Anti\-Malware, Anti\-Spam. + Intrusion Detection and Prevention Systems (IPS/IDS). * **Knowledge and experience** at intermediate level in the following areas: + Microsoft client operating systems. + Microsoft server operating systems. + Linux operating systems.