Keep enterprise and operational technology networks secure and reliable across a major Australian telecommunications business.

- Enterprise and OT network ownership
- LAN, WAN, wireless, firewall, VPN and SD-WAN
- Major Australian telecommunications business

In short: A hands-on network engineering role with a major Australian telecommunications business, covering corporate and operational technology networks across multiple sites nationally, from design and rollout through to incident resolution and the IT and OT boundary. Extensive hands-on enterprise networking experience, with OT or industrial network exposure, required. Regular interstate and regional travel. D’Arcy Weil is recruiting a Network Infrastructure Engineer on behalf of a major Australian telecommunications business with corporate and operational technology networks spread across multiple sites. The Sydney-based role is hands-on and technical, covering enterprise and OT networks, including:

- Running and improving LAN, WAN, wireless, firewall, VPN and SD-WAN environments across corporate and operational sites
- Designing and building secure network architectures across IT and OT, and leading upgrades, site rollouts and connectivity migrations
- Diagnosing complex faults and restoring services fast when incidents hit operations
- Supporting secure industrial networks and managing the boundary between IT and OT
- Keeping topology diagrams, configurations, procedures and standards accurate and current

It suits an engineer who is equally at home in a corporate comms room and on an operational site, and who treats security as part of every design decision.

The Role

- Infrastructure management: Run and evolve enterprise LAN, WAN, wireless, firewall, VPN and SD-WAN environments across corporate and operational sites, keeping network health, capacity and performance in check
- Design and delivery: Design and implement secure network architectures across IT and OT, and lead the technical work on upgrades, site rollouts and connectivity migrations
- Incident resolution:



Diagnose and fix complex network faults, and restore services quickly when incidents affect business operations
- OT and industrial networking: Operate and support secure industrial network environments, and manage the IT and OT boundary with sound security discipline
- Documentation and standards: Keep network documentation accurate and current, including topology diagrams, configurations, operating procedures and engineering standards

About You

- A tertiary qualification in information technology or a related discipline
- Cisco CCNA or a comparable networking certification
- Extensive hands-on experience with LAN, WAN, wireless, firewall, VPN and SD-WAN technologies
- Demonstrated experience in OT or industrial network environments
- Robust network security knowledge, including threat mitigation and secure design principles
- Experience with monitoring, incident management and change implementation in complex environments
- Willingness to travel interstate and regionally on a regular basis

What’s on Offer

- Base of $160,000 to $170,000 plus superannuation, plus travel allowances
- Ownership of enterprise and OT networks across a major Australian telecommunications business
- Hands-on work across both corporate IT and industrial environments
- Variety across design, rollout, incident response and security
- Structured career development and certification support
- Flexible working arrangements where the role allows
- A Sydney base

Apply with a CV and a brief profile covering:

- The enterprise and OT networks you have designed, run or migrated
- Your hands-on experience with firewalls, VPN and SD-WAN platforms
- Your networking certifications and your experience in industrial environments

For a confidential discussion, or for more information, contact:

Ivan Pignataro | Director

D’Arcy Weil

M: 0416 507 856 E: [email protected]

Only candidates with current Australian working rights will be considered. All applications and enquiries will be treated in strict confidence.

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📌 Network Infrastructure Engineer | Enterprise & OT Networks | Sydney
🏢 D'Arcy Weil
📍 Sydney