Job Description: At YEL Solutions, a leading company in IT Outsourcing Services with global operations, we are looking for a ***Networking - Senior Network Administrator*** profile to join our team. **Modality:** On-site. Availability for passive on-call duty. **Schedule:** Monday to Friday from 9 AM to 6 PM **Location:** Olivos **TECHNICAL KNOWLEDGE** * Experience with ITIL processes. * Advanced knowledge of L2 protocols: Spanning-Tree and its various modes, trunks, Port-Channel, VLANs, VTP, CDP, ARP. * Advanced knowledge of L3 protocols: OSPF, EIGRP, BGP, static routing, redistribution, metrics, etc. * Knowledge in Cisco WIFI administration (Cisco WLC). * Experience in administration of Fortigate, Cisco ASA and Firepower firewalls (Mandatory). \- Portuguese language desirable \- Intermediate English language desirable. **CERTIFICATIONS:** * Certification or solid knowledge in CCNA, CCNP. **FUNCTIONS AND RESPONSIBILITIES** Administration of security for Cisco equipment. Analysis of communication cases level 2 and 3. Collaboration in regional projects. Administration of network security (VLAN, Layer 2 and Layer 3). **WE OFFER** * Private health insurance for employee and immediate family at no cost. * Unilever Benefits Club. * Access to a discount platform across more than 200 commercial categories (Courses and certifications, languages, gyms, gastronomy, clothing and others). * Discounts on IT and English courses. * Personal loans. * Half birthday day off. * Gifts for special events (wedding, birth, graduation, etc). * Employee referral program. * Employee assistance program. * YEL Days (free days).