$1,250 per day Initial 6-month contract with likely extension Parramatta location Major network modernisation

Your new company

Join a critical infrastructure organisation undertaking a large-scale modernisation of its IT and operational technology networks. With multiple projects already underway, the organisation requires an experienced Telco Network Architect who can provide immediate design authority and help define its future network architecture.

Your recent role

As the Telco Network Architect, you will take ownership of network architecture across a portfolio of in-flight projects. You will bridge the gap between enterprise IT and operational networks, setting architectural direction while working closely with senior stakeholders, engineering teams and technology vendors.
Your responsibilities will include:

- Reviewing, shaping and approving network designs across multiple projects
- Defining the target-state architecture, standards and roadmap for IT and OT networks
- Architecting carrier-grade operational and field networks using Nokia IP/MPLS technologies
- Embedding zero-trust principles, segmentation and effective IT/OT boundary controls
- Leading SDN, VMware NSX-T, campus and data centre network architecture
- Developing architecture documentation, design standards and key technical decisions
- Providing technical leadership to engineers, delivery partners and vendors
- Advising senior stakeholders and influencing network modernisation strategy

What you'll need to succeed

You will be a senior network or telecommunications architect with proven experience operating as a design authority within a utility, telecommunications carrier or critical infrastructure environment.
You will bring:

- Strong architecture experience across carrier-grade OT,



grid or telecommunications networks
- Proven Nokia IP/MPLS architecture experience, including SR OS routing or service aggregation platforms
- Experience designing operational and field connectivity, such as substation WAN, SCADA communications or IP/MPLS core networks
- Strong understanding of zero-trust network architecture, segmentation and identity-aware access
- Modern software-defined networking architecture experience
- Proven VMware NSX-T design experience across micro-segmentation, distributed firewalling, overlays and edge design
- Strong campus and data centre networking knowledge, including routing, switching, resilience, spine-leaf and data centre interconnect
- Experience defining target-state architecture, technology standards and strategic roadmaps
- The ability to communicate credibly with senior stakeholders and influence decisions across IT and OT
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Experience with utility networks, IEC 62443, IEC 61850, DNP3, teleprotection, the SOCI Act or the Australian Energy Sector Cyber Security Framework would be highly regarded.
Exposure to SD-WAN, Palo Alto, Fortinet, Cisco, Juniper, Arista, Azure or AWS networking and network automation will also be beneficial.

What you'll get in return

You’ll receive an initial 6-month contract, paying up to $1,250 per day, with the opportunity to work on a major IT and OT network modernisation program. Based in Parramatta, this role offers genuine design authority and the chance to shape the future of complex, carrier-grade network infrastructure.

What you need to do now

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career.
#3020939

📌 Network Solutions Architect - Telco (Sydney)
🏢 Hays
📍 Sydney