Job Summary: We are looking for an IT Systems Administrator to manage network architecture, Windows servers, VMware infrastructure, and security tools. Key Responsibilities: 1. Manage network architecture 2. Administer VMware infrastructure 3. Manage security tools Job Description Are you looking for a company where you can continue and consolidate your professional career as an IT Systems Administrator? At Seguros Atocha, we are looking for people like you to expand our team. Reporting to the IT Systems Manager, you will carry out the following responsibilities: * Manage network architecture * Manage Windows servers * Administer VMware infrastructure * Manage security tools: backups, firewalls, antivirus, etc. * Provide on-site and/or remote support for system and user incidents * Install, update, and configure corporate applications * Manage incidents using helpdesk tools * Manage the IT asset inventory * Supervise a team of 2\-3 helpdesk staff What We Offer: * A permanent position with an indefinite contract directly from the company * Possibility of teleworking two days per week * Starting salary between 30\.000 and 35\.000 gross euros per year, depending on experience Requirements * Technical Engineering Degree in Computer Systems * Experience in administration and management of Windows Server systems, Active Directory, DHCP, DNS, GPOs * Knowledge of networking (VLANs, segmentation, etc.) and virtualization tools such as VMware or similar * Backup management using Veeam Backup or similar * Knowledge of cybersecurity * Experience managing external hosting services * B2 level English proficiency, at least sufficient to read technical computer texts