Network Engineering Specialist with French

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, and changes requiring additional authorization to the appropriate teams.
Continuous Improvement
Identify recurring network issues and recommend improvements to infrastructure, configurations, and operational procedures.
Contribute to the development and maintenance of technical documentation, troubleshooting guides, and knowledge articles.
Share technical expertise with colleagues and support the development of less experienced engineers.
Promote consistent application of operational standards, security practices, and change management procedures.
Service Quality and Operational Excellence
Work in accordance with agreed SLAs, incident priorities, and service quality objectives.
Support the availability, reliability, performance, and security of Rio Tinto’s network services.
Ensure that network changes are properly assessed, documented, approved, and validated.
Maintain a customer-focused approach while balancing service continuity, technical risk, and operational requirements.

Experience you’d be expected to have

Significant hands-on experience in network engineering or advanced network support, appropriate to an L3 technical role.
Practical experience diagnosing complex connectivity issues across LAN, WAN, data centre, wireless, and security environments.
Experience troubleshooting routing protocols, including BGP, EIGRP, and OSPF, as well as MPLS-based connectivity.
Familiarity with transmission technologies, including microwave and DWDM, and the troubleshooting of associated connectivity issues.
Experience supporting firewall infrastructure and resolving network security and access-related incidents.
Practical knowledge of IP OT networking, including switching and routing.
Experience working with network monitoring, administration, and troubleshooting tools such as DNAC, ISE, and SolarWinds.
Experience managing DNS/DHCP services and enterprise IP addressing.
Knowledge of SD-WAN technologies and enterprise connectivity architectures.
Experience troubleshooting IP telephony services involving PABX/PBX, SIP, and PSTN.
Experience managing escalations, performing root cause analysis, documenting solutions, and contributing to problem management.
Ability to prioritize multiple technical issues, assess operational impact, and work effectively under pressure.
Excellent French and English communication skills, both written and spoken.
Key decisions
Incident diagnosis and resolution: Determine appropriate troubleshooting approaches, identify the root cause of complex network incidents, and implement corrective actions within the authorized scope of the role.
Network performance and stability: Assess monitoring data, identify performance degradation, and recommend improvements to maintain service availability.
Routing and connectivity: Diagnose routing, switching, and WAN connectivity issues and determine suitable remediation options.
Security and access control: Investigate firewall, network access, and segmentation issues while adhering to security policies and approval procedures.
Change implementation and validation: Assess technical impacts, follow approved change procedures, validate implementations, and initiate rollback actions when required.
Incident prioritization and escalation: Evaluate service impact and urgency, prioritize technical activities, and engage specialist teams or management when necessary.Problem management and prevention: Identify recurring faults, establish root causes, and recommend preventive measures to improve network reliability.Technical recommendations: Provide informed recommendations concerning network configurations, infrastructure improvements, and operational procedures.Stakeholder coordination: Determine when additional technical expertise, vendor support, or cross-functional intervention is required to resolve complex issues.Documentation and knowledge sharing: Ensure that troubleshooting findings, configuration changes, incident resolutions, and operational recommendations are accurately documented.

Join us at a pivotal moment for BT Business. We are executing a multi-year transformation to restore growth, modernise at scale and unlock new markets beyond connectivity. Our ambition is clear – return to sustainable revenue and EBITDA growth, strengthen our market position, and deliver meaningful shareholder value through disciplined execution and bold reinvention.

We are fundamentally reshaping the business – simplifying our portfolio, digitising our customer experience and building market-leading capability across cyber, AI and managed services, all powered by the UK’s leading fixed and mobile networks. This is a shift from a legacy connectivity provider to a modern, solutions-led, AI-first business that can truly differentiate in a competitive and fast-moving market.

With execution momentum building and a clear path to growth, the opportunity now is to scale what works, accelerate performance and fully realise our potential. This is about delivering against ambitious financial outcomes while transforming how we operate – creating a business that is simpler, faster, more innovative and easier to do business with.

If you want to be part of the team shaping the turnaround of a multi-billion-pound business – and building a stronger, more competitive BT for the future – this is your moment.