Senior Network Administrator N3

Description

Job Summary: We are seeking a Senior Network Administrator N3 to lead the evolution and support of network, storage, and security, with professional challenges and growth. Key Highlights: 1. Leadership in the evolution and support of network, storage, and security. 2. Being part of a team with significant challenges and professional growth. 3. Opportunity for professional development and continuous training. We are expanding our team! Azertium IT is looking for you! We urgently need a Senior Network Administrator N3 profile with at least 3 years of experience in this role and in the IT sector to join our team, which offers major challenges, career progression, and professional growth. Work modality: Hybrid, with 3 days per week on-site in Sant Andreu \- Barcelona. The first three months of onboarding are fully on-site to enable familiarity with the environment and the people with whom interaction is required. Responsibilities: * Join the Infrastructure team to lead the evolution and third-level support of the communications network and the storage and security ecosystem. * Network and Security Management: o Advanced administration of Cisco ACI (Nexus switches) and assurance of L2/L3 connectivity\. o Management and configuration of Palo Alto firewalls, using Panorama for centralized policy orchestration. * Systems and Storage: o Administration of server environments running Linux RHEL. o Management and maintenance of storage arrays: Pure Storage, Dell Unity, and NetApp (ONTAP). * Automation and Projects: o Development of Ansible playbooks to automate recurring tasks and infrastructure deployments. o Technical leadership in infrastructure projects, from design through implementation. * Technical Support: o Act as Level 3 escalation point for resolving complex incidents affecting business continuity. Requirements: * Minimum certification: Active CCNA (Cisco Certified Network Associate). * Networking: Demonstrable experience in Cisco ACI environments and routing/switching protocols. * Monitoring: Experience managing tools such as Zabbix and administering them within network and systems infrastructure. * Security: Experience administering Palo Alto Firewalls and their Panorama console. * Systems: Advanced knowledge of Linux (Red Hat Enterprise Linux). * Storage: Proficiency with Pure, Unity, and NetApp storage arrays. * DevOps/Automation: Ability to automate infrastructure using Ansible and Kubernetes. * Cloud: Administration of Azure environments. Offered: * Permanent contract with Azertium IT. * Stable, long-term project. * Professional training and development.