Principal Network Architect

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

We're partnering with a leading technology organisation entering an exciting phase of infrastructure investment and expansion.

This is an opportunity for an experienced Lead Network Architect to take a leading role in shaping the design, scalability and long-term direction of a sophisticated network environment.

Working alongside senior technical leaders, you'll have genuine influence over architectural decisions, technology strategy and the delivery of business-critical infrastructure.

Sydney | Permanent | Competitive Executive Package

The opportunity

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

What we're looking for

• 12+ years' experience across network engineering and architecture, ideally within telecommunications, service providers, cloud or large-scale technology environments.
• Extensive experience designing and delivering complex, high-availability network infrastructure.
• Strong technical expertise across IP networking, routing protocols and MPLS.
• Experience with optical transport technologies and large-scale connectivity solutions.
• Proven experience developing network architectures, technical standards and design documentation.
• Strong understanding of network resilience, redundancy, performance optimisation and capacity planning.
• Experience evaluating technology vendors and influencing strategic technical decisions.
• Demonstrated ability to lead complex architectural discussions with both technical and executive stakeholders.
• Australian citizenship or permanent residency.

Why consider this opportunity?

• Genuine principal-level responsibility with significant architectural influence.
• Opportunity to shape major infrastructure investments and long-term technology strategy.
• Work on complex, technically challenging projects using modern network technologies.
• Collaborative environment with experienced technical leaders and direct access to decision-makers.
• Long-term career opportunity within an organisation investing in continued growth.

If you're an experienced network architect looking for greater technical ownership, strategic influence and the opportunity to make a meaningful impact, we'd love to hear from you.