Position Summary: We are seeking a Senior Network and Communications Engineer to ensure network infrastructure reliability, guaranteeing secure, high-performance connectivity within critical mining operational environments. Key Highlights: 1. Senior Technical Role in IT Network & Telecommunications 2. LAN/WAN/SD-WAN Network Administration and Perimeter Security 3. Participation in Technology Improvement and Expansion Projects We aim to be a trusted partner for prosperity—driving the development of San Juan, Argentina and the broader region—by maintaining close, open, and mutually beneficial relationships, while sustainably producing copper for green energy demanded by the world and future generations. This position is primarily responsible for ensuring the design, operation, and continuous evolution of the organization’s network and communications infrastructure, guaranteeing secure, stable, and high-performance connectivity within critical mining operational environments. Acts as the senior technical reference in the IT Network & Telecommunications area, actively participating in LAN/WAN/SD-WAN network administration, hybrid environments (on-premise and cloud), perimeter security, resolution of complex incidents, and technology improvement/expansion projects. Key Responsibilities Administer and maintain LAN, WAN, and SD-WAN network infrastructure, including hybrid on-premise and cloud environments. Ensure availability, stability, and optimal performance of corporate and operational networks. Implement and maintain network security controls, coordinating with the cybersecurity team and complying with standards such as ISO/IEC 27001, NIST, among others. Participate in network infrastructure expansion, improvement, or redesign projects. Coordinate with telecommunications providers and technology partners, managing contracts, SLAs, and service performance. Efficiently diagnose and resolve complex connectivity and communications incidents. Document network topologies, configurations, procedures, and standards, ensuring traceability throughout change management processes. Collaborate in training, mentoring, and technical development of the network team. Centrally manage Fortinet firewalls (FortiGate and FortiManager), including multi-site SD-WAN orchestration, security policies, VPNs, and template deployment. Administer Cisco wireless solutions (Access Points, WLC, Meraki) and perform advanced configurations of VLANs, STP, routing, and segmentation. Participate in technology migration and standardization initiatives toward Cisco and Fortinet architectures. Monitor the network, analyze performance metrics, and ensure operational continuity in highly critical environments. Integrate on-premise networks with cloud platforms (AWS, Azure, GCP) and apply best practices for IT governance and change control. Requirements: University or tertiary degree in Systems, Computer Science, Computer Engineering, Electronics, or related fields. Minimum 6–8 years of experience in networking, network administration, or communications roles within corporate/multi-site environments. Solid knowledge and demonstrable experience in: LAN/WAN/SD-WAN networks and highly available distributed environments. Configuration and troubleshooting of Fortinet firewalls (FortiGate and preferably FortiManager). Cisco wireless solutions (WLC, Meraki, Access Points). Networking protocols: VLANs, STP, basic/advanced routing. SD-WAN and Site-to-Site VPN architectures. On-premise/cloud integration (AWS, Azure, GCP). Network security, segmentation, and access control. Desired technical certifications: Cisco CCNA/CCNP (CCIE ideal), Fortinet NSE, CompTIA Network+, ITIL Foundation. Prior experience in highly critical industrial environments (preferably mining industry). Intermediate/advanced English (technical reading, documentation, and communication with vendors). Proficiency in network monitoring tools and familiarity with ITIL/ITSM processes. Willingness to travel or attend site/project locations as required. Key skills: strong analytical and complex problem-solving abilities, autonomy, technical leadership, collaborative work, and effective communication.