Cloud Domain Architect: Network Strategy & Security

Singtel; Sydney; Hybrid; Confidential; Full time

Benefits offered by this job

Flexible working

Hybrid work

Professional development

Employee discounts

Job summary

Optus, an Australian telecommunications company based in Macquarie Park, Sydney, seeks a Domain Lead Architect – Cloud to provide strategic and technical leadership across the Cloud domain. You’ll guide the evolution of robust, secure cloud network solutions and align architecture with business objectives, new product development, and the technology roadmap.

This high-impact role requires translating complex designs into practical outcomes, influencing stakeholders at all levels, and leading

Qualifications

• 10+ years’ engineering in telecommunications with 7+ years in Cloud tech.
• Knowledge of mobile data networks and carrier environments.
• Experience across 4G/5G, IP routing (OSPF/BGP), TCP/IP, NAT.
• Strong leadership and stakeholder management across multiple teams.
• Postgraduate security or contracting qualifications desirable.

Responsibilities

• Develop long-term Cloud domain network strategies aligned to business goals.
• Provide architectural guidance across platforms and services.
• Lead platform owners and engineering teams through major projects.
• Participate in Architecture Review Boards and drive actions to approval.
• Input security strategies and safeguard cloud network environments.

Skills

Cloud technologies

Network architecture

OpenStack

Kubernetes

Docker

TCP/IP

OSPF/BGP

Security

Stakeholder mgmt

Telecom engineering

Education

IT/Telecommunications degree

Postgraduate security

Commercial management

Tools

Kubernetes

Docker

OpenStack

NFV

CI/CD

Job description

Optus, an Australian telecommunications company based in Macquarie Park, Sydney, seeks a Domain Lead Architect – Cloud to provide strategic and technical leadership across the Cloud domain. You’ll guide the evolution of robust, secure cloud network solutions and align architecture with business objectives, new product development, and the technology roadmap.

This high-impact role requires translating complex designs into practical outcomes, influencing stakeholders at all levels, and leading