National mid-sized company. **Responsibilities:** Identify demands / needs within the environment and propose solutions; Create and maintain up-to-date technical procedures and knowledge base; Install, configure, and support Information Security solutions, antivirus, backup, virtualization, etc.; Maintain servers and data centers in accordance with resource policies; Develop and update operational procedure documentation; Collaborate with responsible personnel from related areas to identify appropriate solutions; Safeguard the company’s image in its operating market; Research new technical solutions; Interact with clients at all hierarchical levels; And other duties related to the position. **Requirements:** Experience in the role, with knowledge of network and infrastructure security, virtualization platforms: Hyper\-V and VMWare, Windows and Linux operating systems, LDAP, SAMBA, DNS, DHCP, APACHE, NGINX, Active Directory, DNS, DHCP, File Server, Exchange, IIS, backup solutions: Veeam Backup, ArcServe, enterprise networks, routing, network topology, firewalls: Fortigate, Sonicwall, PFSense, Iptables, and hardware; Preferred: certifications in the field.