Budapest Network Engineering Specialist With French 1117

Job description

Recruiter: Viktoria Pálfi-Vincze Hiring Manager: Omar Boughattas Career Grade: D About the role The L3 Network Engineer / Agent is responsible for providing advanced technical support, troubleshooting, maintenance, and engineering expertise across Rio Tinto’s enterprise and operational network infrastructure. As a member of the network engineering and support team, the successful candidate will handle complex network incidents, perform root cause analysis, support network changes and improvements, and ensure the availability, reliability, security, and performance of critical network services across enterprise and operational environments. The role covers a broad range of technologies, including IP enterprise networks, data centres, Wi-Fi, transmission systems, firewall and security infrastructure, IP OT networks, WAN routing, SD-WAN, DNS/DHCP, network monitoring, and IP telephony. The ideal candidate will have strong hands-on networking experience, the ability to manage escalated technical incidents independently, and excellent communication skills in both French and English. Experience supporting complex, business-critical environments and collaborating with infrastructure, security, operations, and service management teams will be essential. What you’ll be doing – your accountabilities Provide Level 3 technical support for complex network incidents, service requests, and problems across Rio Tinto’s enterprise and operational network infrastructure. Perform advanced troubleshooting, fault isolation, and root cause analysis across LAN, WAN, Wi-Fi, data centre, transmission, security, and IP OT network environments. Support the configuration, administration, maintenance, and troubleshooting of network infrastructure, including routers, switches, firewalls, wireless solutions, and associated network services. Manage escalated incidents involving routing and switching protocols, including BGP, EIGRP, OSPF, and MPLS, ensuring timely resolution and minimal service disruption. Support and troubleshoot transmission technologies, including microwave links and DWDM systems, in coordination with relevant technical teams. Investigate and resolve network security issues involving firewalls, security policies, network segmentation, and access control. Support IP OT networks, including switching and routing, while respecting the availability, reliability, and security requirements of operational environments. Administer and troubleshoot DNS/DHCP services, IP addressing, network connectivity, and associated infrastructure dependencies. Support the implementation, maintenance, and troubleshooting of SD-WAN solutions and enterprise connectivity services. Use network management and monitoring tools, including Cisco DNA Center (DNAC), Identity Services Engine (ISE), and SolarWinds, to monitor network health, investigate incidents, and identify performance issues. Support IP telephony and voice infrastructure, including PABX/PBX, SIP, and PSTN connectivity, investigating and resolving voice service disruptions. Participate in network changes, upgrades, migrations, configuration updates, and technology lifecycle activities in accordance with established change management procedures. Monitor network performance, identify recurring faults and capacity concerns, and recommend corrective and preventive actions. Maintain accurate technical documentation, network diagrams, configuration records, incident reports, and knowledge base articles. Collaborate with Level 1 and Level 2 support teams, network architects, infrastructure specialists, cybersecurity teams, service providers, and other stakeholders to ensure effective incident resolution. Provide technical guidance and knowledge transfer to other support engineers and contribute to continuous service improvement. Communicate technical issues, incident progress, risks, and resolutions clearly in both French and English. Follow established operational procedures, security standards, service-level agreements (SLAs), and change management processes. Essential Skills / Experience Proven experience in network engineering, network operations, and advanced technical support at Level 3 or an equivalent senior technical support level. Strong knowledge of IP networking, including routing, switching, subnetting, VLANs, and network troubleshooting. Hands-on experience with enterprise networks, data centre networking, and Wi-Fi infrastructure. Strong understanding of Wide Area Network (WAN) technologies and routing protocols, including BGP, EIGRP, OSPF, and MPLS. Experience with switching and routing in enterprise and operational technology (OT) network environments. Knowledge of firewall and network security technologies, including rule troubleshooting, access control, and network segmentation. Experience with transmission technologies, including microwave and Dense Wavelength Division Multiplexing (DWDM). Knowledge of SD-WAN architecture, configuration, and troubleshooting. Experience with network monitoring and management tools, particularly Cisco DNA Center (DNAC), Cisco Identity Services Engine (ISE), and SolarWinds. Knowledge of DNS, DHCP, IP addressing, and related network services. Experience supporting IP telephony and voice technologies, including PABX/PBX, SIP, and PSTN. Demonstrated ability to investigate complex incidents, perform root cause analysis, and implement sustainable solutions. Experience with incident, problem, and change management processes in a structured IT service environment. Strong analytical and problem-solving skills, with the ability to work independently on complex technical issues. Excellent written and verbal communication skills in both French and English; proficiency in both languages is mandatory. Ability to work collaboratively with technical teams, service providers, and business stakeholders. Strong documentation skills and a commitment to operational quality, security, and continuous improvement. Desirable Skills / Experience Experience supporting large-scale, geographically distributed enterprise networks. Previous experience in the mining, industrial, energy, or other critical infrastructure sectors. Familiarity with the specific availability, resilience, and security requirements of operational technology (OT) environments. Relevant networking certifications, such as Cisco CCNP Enterprise, CCNP Security, or equivalent qualifications. Experience with network automation, configuration management, and scripting to improve troubleshooting and operational efficiency. Familiarity with network access control, identity-based networking, and security policy enforcement using Cisco ISE. Experience with network performance analysis, capacity planning, and proactive fault prevention. Experience coordinating technical escalations with telecommunications operators, equipment vendors, and managed service providers. Knowledge of ITIL practices and service management processes. Experience participating in network transformation projects, infrastructure migrations, and technology refresh initiatives. Leadership accountabilities Communication and Stakeholder Engagement Maintain clear, proactive, and transparent communication with technical teams, business stakeholders, and service providers. Communicate incident status, technical findings, risks, and resolution plans in French and English. Coordinate effectively with other support levels and specialist teams to ensure timely incident resolution. Translate complex technical issues into clear explanations for non-technical stakeholders when required. Technical Ownership and Decision-Making Take ownership of escalated network incidents and drive investigations through to resolution. Assess technical risks and determine appropriate troubleshooting and remediation approaches within approved operational procedures. Recommend corrective and preventive measures to reduce recurring incidents and improve network stability. Escalate major incidents, security risks, an