Principal Network Architect: Lead Scalable Network Strategy

Excolo.; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Excolo. is seeking an experienced Lead Network Architect in Sydney to shape the design, scalability and long‑term direction of our complex network environment.

You will influence architectural decisions and technology strategy while delivering mission-critical infrastructure. You will lead and mentor engineers, collaborate with senior stakeholders, and drive resilience, performance and efficiency across large-scale connectivity projects.

Qualifications

• 12+ years' experience in network engineering and architecture.
• Experience designing high-availability network infrastructure.
• Strong expertise in routing protocols and MPLS.
• Experience with optical transport technologies and large-scale connectivity.
• Experience developing network architectures, standards and design documentation.
• Understanding of resilience, capacity planning and performance optimization.
• Experience evaluating vendors and influencing strategic technical decisions.
• Ability to lead architectural discussions with technical and executive stakeholders.
• Australian citizenship or permanent residency.

Responsibilities

• Lead architecture and design of complex, large-scale network environments.
• Develop technical strategies, reference architectures and design standards for future growth.
• Drive network performance, resilience, scalability and operational efficiency.
• Assess emerging technologies and recommend solutions aligned with long-term objectives.
• Partner with engineering teams, vendors and external providers to deliver robust solutions.
• Provide technical leadership across major infrastructure initiatives, including reviews and handover.
• Mentor engineers and influence architectural best practices across the organisation.
• Translate business requirements into practical technical solutions with senior stakeholders.

Skills

Network architecture

IP networking

Strategic leadership

Job description

Excolo. is seeking an experienced Lead Network Architect in Sydney to shape the design, scalability and long‑term direction of our complex network environment.

You will influence architectural decisions and technology strategy while delivering mission-critical infrastructure. You will lead and mentor engineers, collaborate with senior stakeholders, and drive resilience, performance and efficiency across large-scale connectivity projects.