Senior Network Infrastructure Engineer

edlenergy; City of Brisbane; On-site; AUD 130,000 - 170,000; Full time

Job summary

EDL is seeking a Senior Network Infrastructure Engineer to lead design, implementation, and security of our global enterprise network. You will own firewall platforms, VPN, and secure connectivity across multi-site operations, working with teams across infrastructure, cloud, and OT.

This role requires senior technical leadership, excellent documentation, and the ability to mentor junior staff while driving continuous improvement and operational excellence in a dynamic energy company.

Qualifications

• Extensive enterprise networking experience in multi-site environments.
• Proven experience designing and supporting enterprise network infrastructure.
• Strong understanding of networking principles and best practices.
• Experience with highly available and secure enterprise environments.
• Ability to produce high-quality technical documentation and designs.

Responsibilities

• Design and implement enterprise networking and connectivity across global ops.
• Develop network architecture standards and documentation.
• Lead network transformation, migrations, upgrades, and optimization.
• Backfill as senior escalation point for networking matters.
• Collaborate with infrastructure, cybersecurity, and OT teams.

Skills

Enterprise networking

Network security

Technical leadership

Documentation

Stakeholder engagement

Education

Networking/cybersecurity certifications

Tools

Palo Alto firewalls

Cisco networking

VPN technologies

SD-WAN

Job description

EDL owns and operates a global portfolio of power stations in Australia and North America. Our vision is to be the leading global producer of sustainable distributed energy. At EDL, we are playing a key role in the world’s transition from traditional energy sources to decarbonised solutions.

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.

Key Areas of Responsibility

Network Operations & Support

• 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

Network Security Responsibilities

• 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

Engineering & Architecture

• 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

Documentation & Governance

• 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

Person Specification

• Demonstrates initiative and is a self-starter
• Strong analytical and problem-solving skills
• Professional interpersonal manner with a strong customer service focus
• Strong written and verbal communication skills
• High attention to detail and commitment to quality outcomes
• Ability to prioritise and manage conflicting deliverables effectively
• Strong organisational and time management skills
• Ability to work both autonomously and collaboratively within a team environment
• Confidential, professional, and discreet
• Availability to work outside standard business hours where required
• Availability for domestic and international travel as required
• Other duties consistent with the position as required by the business

Qualifications and Experience

• 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

Technical Skills & Technologies

• Cisco enterprise switching, routing, and wireless technologies
• 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

• 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
• Hybrid cloud networking and secure connectivity solutions
• Cloud routing, VPN, and connectivity technologies
• 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

The following certifications are highly regarded:

• Relevant industry certifications in networking or cybersecurity

EDL owns and operates a global portfolio of power stations in Australia, North America and Europe. Our vision is to be the leading global producer of sustainable distributed energy. At EDL, we are playing a key role in the world's transition from traditional energy sources to decarbonised solutions.