Domain Architect – Infra, Networks & OT | Hybrid Cloud

West Recruitment; Sydney; On-site; AUD 230,000 - 270,000; Full time

Job summary

West Recruitment seeks a Domain Architect – Infrastructure, Networks & OT to own architecture across enterprise networking, infrastructure and connectivity. You will ensure secure, resilient solutions aligned with long-term strategy and operate at both strategic and detailed levels.

Responsibilities include developing reference architectures, leading IT/OT integration, reviewing architecture documents and ensuring 24x7 availability. OT and SCADA experience is essential for this critical role.

Qualifications

• Experience in critical infrastructure and OT environments.
• Strong enterprise networking expertise and governance.
• Knowledge of SCADA integration and security boundaries.
• Ability to translate complex designs into secure, cost-effective solutions.

Responsibilities

• Develop current-state and target-state architectures and roadmaps.
• Lead architecture across enterprise networks and IT/OT integration.
• Review SADs, designs and architecture decision records.
• Ensure solutions meet performance, capacity, latency, security and 24x7 availability.
• Challenge vendors and engineering teams for practical, secure solutions.
• Collaborate with SCADA and OT teams to avoid impacting OT environments.
• Provide technical leadership and design assurance for major initiatives.

Skills

Enterprise Networking TCP/IP

BGP

OSPF

MPLS

SD-WAN

VLAN/VRF

Routing

QoS

Network segmentation

Tools

Palo Alto firewalls

VPN/IPsec

DMZ architecture

Zero Trust

Azure networking

ExpressRoute

Azure Firewall

Private Link

Job description

West Recruitment seeks a Domain Architect – Infrastructure, Networks & OT to own architecture across enterprise networking, infrastructure and connectivity. You will ensure secure, resilient solutions aligned with long-term strategy and operate at both strategic and detailed levels.

Responsibilities include developing reference architectures, leading IT/OT integration, reviewing architecture documents and ensuring 24x7 availability. OT and SCADA experience is essential for this critical role.