Senior Network Infrastructure Engineer

EDL

1d

About The Position

The Senior Network Infrastructure Engineer is responsible for the design, implementation, support, maintenance, optimisation, monitoring, and security of EDL’s global enterprise network infrastructure. This role provides senior technical leadership across networking and network security technologies including LAN, WAN, wireless, cloud networking, telecommunications, remote connectivity, and next-generation firewall platforms.

Requirements

• Extensive enterprise networking experience within complex, geographically dispersed multi-site environments
• Proven experience designing, implementing, supporting, and troubleshooting enterprise network infrastructure
• Strong understanding of networking principles, architectures, and industry best practices
• Demonstrated experience supporting highly available and secure enterprise environments
• Strong troubleshooting and root cause analysis capability across complex networking environments
• Proven experience managing infrastructure upgrades, migrations, and operational support activities
• Experience working with global telecommunications providers and managed service vendors
• Ability to produce high-quality technical documentation and designs
• Strong stakeholder engagement and communication skills
• Demonstrated ability to work independently and within cross-functional teams
• Enterprise Networking: Cisco enterprise switching, routing, and wireless technologies
• Cisco Meraki networking platforms
• WAN, LAN, VLAN, QoS, BGP, MPLS, SD-WAN, and wireless networking technologies
• Voice and unified communications networking
• Network monitoring, logging, and performance analysis tools
• Network Security: Palo Alto Networks next-generation firewalls
• VPN technologies and secure remote access solutions
• Network segmentation, firewall policy management, and security best practices
• Threat prevention, intrusion prevention, URL filtering, and security monitoring concepts
• Understanding of cybersecurity frameworks and network security principles
• Cloud Networking: Microsoft Azure networking
• Hybrid cloud networking and secure connectivity solutions
• Cloud routing, VPN, and connectivity technologies

Nice To Haves

• Experience working within critical infrastructure, industrial, or operational technology environments
• Experience integrating networking with cybersecurity and cloud security platforms
• Experience participating in cybersecurity incident response activities
• Cisco CCNA / CCNP Enterprise
• Palo Alto PCNSA / PCNSE
• Microsoft Azure Network Engineer Associate
• Relevant industry certifications in networking or cybersecurity

Responsibilities

• Maintain and support EDL’s global enterprise network infrastructure across all business locations
• Ensure the availability, stability, integrity, and performance of network services
• Monitor network health, utilisation, performance, and capacity across enterprise environments
• Perform proactive troubleshooting, fault analysis, and root cause investigation of network issues
• Provide Level 2 and Level 3 technical support and escalation for complex network incidents and outages
• Participate in after-hours support, major incident response, and outage restoration activities where required
• Produce priority incident documentation and contribute to post-incident reviews and problem management activities
• Liaise with telecommunications providers, vendors, and managed service partners to ensure service delivery outcomes are achieved
• Operational ownership and lifecycle management of enterprise firewall platforms including Palo Alto Networks next-generation firewalls
• Manage firewall policies, NAT configurations, VPN services, security zones, threat prevention, and URL filtering technologies
• Support secure remote access and site-to-site connectivity solutions
• Perform network security hardening, segmentation, and access control activities
• Support vulnerability remediation and security improvement initiatives relating to network infrastructure
• Participate in cybersecurity incident response and remediation activities
• Ensure network environments align with EDL cybersecurity standards, regulatory obligations, and industry best practices
• Support security audits, compliance activities, and risk mitigation initiatives
• Collaborate with infrastructure, cloud, cybersecurity, and operational technology teams to improve overall security posture
• Design and implement enterprise networking and connectivity solutions across global operations
• Develop and maintain network architecture standards, best practices, and technical documentation
• Produce detailed technical designs, implementation plans, topology diagrams, and as-built documentation
• Lead and support network transformation, migration, upgrade, and optimisation projects
• Contribute to infrastructure lifecycle planning, technology roadmaps, and capacity management activities
• Evaluate emerging technologies and recommend improvements to network reliability, security, and operational efficiency
• Drive continuous improvement and automation initiatives across network operations
• Contribute to disaster recovery, resilience, and business continuity planning
• Design, support, and maintain hybrid cloud networking solutions across Microsoft Azure and on-premises environments
• Support cloud connectivity technologies including VPN, ExpressRoute, routing, segmentation, and secure access controls
• Assist with secure integration between corporate IT and operational technology environments where required
• Maintain accurate and up-to-date technical documentation, standards, diagrams, and operational procedures
• Ensure all changes are implemented in accordance with change management and operational governance processes
• Support continuous improvement of operational procedures and technical standards
• Contribute to operational reporting, capacity reporting, and performance analysis activities
• Act as a senior technical escalation point for networking and network security matters
• Provide technical mentorship and guidance to junior IT personnel and project teams
• Build and maintain effective working relationships with internal stakeholders, vendors, and service providers
• Work collaboratively with infrastructure, cybersecurity, operational technology, and business teams
• Demonstrate strong customer service and stakeholder engagement capabilities

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed