Cloud Network Architect

Position: Cloud Network Architect

Location: Sydney, NSW, Australia

Employment Type: Contract - 12+ Months and Extendable

Experience: 8+ years overall, with 5+ years in Cloud/Network Architecture

Role Overview

We are seeking an experienced Cloud Network Architect to design, develop, and govern secure, scalable, highly available cloud and hybrid network architectures for enterprise environments.

The successful candidate will work across AWS, Microsoft Azure and/or Google Cloud, with strong expertise in enterprise networking, cloud connectivity, network security, routing, and hybrid infrastructure. The role will involve working closely with cloud, security, infrastructure, application, and project teams to deliver robust network solutions.

Key Responsibilities

Design and develop enterprise cloud, hybrid-cloud and multi-cloud network architectures.

Define network architecture standards, patterns, and technology roadmaps.

Design connectivity between cloud environments, data centres, branch offices, and on-premises infrastructure.

Architect and review AWS VPC, Azure VNet and GCP VPC environments.

Design cloud connectivity solutions including:

AWS Direct Connect

Azure ExpressRoute

Site-to-Site VPN

Cloud Interconnect

Transit Gateway / Azure Virtual WAN

Design routing and traffic-flow architectures using BGP, OSPF, TCP/IP, VRF and VLANs.

Develop secure network segmentation and isolation strategies.

Design and integrate firewalls, WAF, load balancers, proxies and network security controls.

Support SD-WAN, SASE and Zero Trust network architectures.

Define IP addressing, subnetting, DNS, DHCP and IPAM strategies.

Develop High-Level Design (HLD), Low-Level Design (LLD), network diagrams and architecture documentation.

Conduct technical assessments, design reviews, capacity planning and network optimization.

Review existing infrastructure and recommend modernization and cloud migration strategies.

Work with security teams to ensure network designs meet security, compliance and governance requirements.

Provide technical leadership during implementation, migration, testing and production transition.

Troubleshoot complex network architecture and connectivity issues and provide guidance to engineering teams.

Work closely with clients, vendors, architects and senior stakeholders to gather requirements and present technical solutions.

Ensure solutions meet requirements for availability, scalability, performance, resilience and cost optimization.