Cloud Domain Architect: Strategic Tech Leader (Remote)

Optus; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive remuneration

Flexible working: 3 days in office, 2/

Job summary

Optus is seeking a Domain Lead Architect – Cloud to provide strategic and technical leadership across the Cloud domain in Sydney, guiding the evolution of secure, scalable cloud network solutions. The role involves directing architecture decisions to support business objectives and future technology roadmaps.

You will lead cross-functional teams on major projects, shape security strategies, and collaborate with vendors to drive continuous improvement across private and hybrid cloud environments.

Qualifications

• 10+ years’ professional engineering experience in telecommunications, including at least 7 years working with Cloud technologies, platforms and protocols.
• Comprehensive knowledge of mobile data networks, telecommunications networking and carrier environments, with experience across fixed, mobile and data network requirements.
• Strong technical expertise across OpenStack, containerised and virtualised Cloud, orchestration, microservices, NFV, Kubernetes, Docker, IaaS, PaaS and SaaS environments.
• Proven experience in network architecture, design and implementation, with knowledge of 4G and 5G networks, IP routing protocols such as OSPF and BGP, TCP/IP, tunnelling, NAT, access lists and network QoS.
• Strategic thinking and cross-functional leadership skills, with a track record of transforming strategy into practical solutions, driving change and building effective partnerships across multiple teams.
• Exceptional problem-solving, communication and stakeholder-management skills, supported by a technical qualification in IT, Telecommunications Engineering or a related discipline. Postgraduate qualifications and experience in security, commercial management or contracting are desirable.

Responsibilities

• Contribute to the development and execution of long-term Cloud domain network strategies aligned with Optus’s business goals, technology roadmap and growth plans.
• Provide architectural guidance across multiple platforms and services, including the design, implementation and maintenance of scalable, reliable and high-performing network infrastructure.
• Lead platform owners and engineering teams through major projects and deployments, providing technical direction, knowledge transfer and support to achieve successful delivery.
• Participate in Networks Architecture Review Boards and other technical forums, reviewing high-level designs and driving actions through to final approval.
• Provide technical input into security workshops and strategies, supporting the implementation of security protocols, firewalls and other measures that protect cloud network environments from cyber threats.
• Partner with vendors, technology teams and business stakeholders to evaluate new technologies, develop capabilities, troubleshoot complex network issues and deliver continuous improvement.

Skills

Cloud technologies

Kubernetes

Docker

OpenStack

Networking

5G networks

IP routing

Security

Stakeholder management

Education

IT or Telecommunications Engineering degree

Tools

Kubernetes

Docker

OpenStack

Job description

Optus is seeking a Domain Lead Architect – Cloud to provide strategic and technical leadership across the Cloud domain in Sydney, guiding the evolution of secure, scalable cloud network solutions. The role involves directing architecture decisions to support business objectives and future technology roadmaps.

You will lead cross-functional teams on major projects, shape security strategies, and collaborate with vendors to drive continuous improvement across private and hybrid cloud environments.