Role Overview

We are seeking a technically strong and hands‑on Senior Network Architect capable of owning the design, governance, implementation and ongoing evolution of Ethan's core network, cloud and data centre platforms.

Reporting to the Head of Collaboration and Networking Services, you will play a key role in reducing operational dependency, driving technical excellence and supporting the continued growth of Ethan's managed services capability. The role offers exposure to large-scale service provider networks, cloud infrastructure, automation initiatives and AI-related infrastructure projects.

The successful candidate will operate across architecture, delivery, automation, governance and technical leadership while also contributing to customer proposals, strategic technology decisions and ongoing service innovation.

The 4 Key Responsibilities for this Role Core Network & Infrastructure Architecture

- Lead architecture and detailed design across service provider, cloud, data centre and enterprise network environments.
- Define technical standards, reference architectures and governance frameworks.
- Design resilient and scalable routing, switching, security and interconnection solutions.
- Provide architectural leadership for major infrastructure upgrades, network expansion and cloud integration initiatives.
- Act as a senior design authority and escalation point for complex technical challenges.

Cloud, Data Centre & Automation
- Design and integrate infrastructure supporting VMware, Nutanix, Proxmox and cloud connectivity platforms.
- Lead deployment and optimisation of modern network technologies including MPLS, EVPN and VXLAN environments.
- Develop automation capabilities using Python, APIs and infrastructure orchestration tools.
- Drive operational efficiencies through automation, validation frameworks and infrastructure‑as‑code approaches.
- Contribute to AI‑enabled network and infrastructure initiatives across Ethan's environment.

Technical Leadership & Service Excellence
- Provide technical leadership across project delivery and operational services.




- Mentor engineers and support capability development within the networking team.
- Review architecture, designs and implementation approaches to ensure operational excellence.
- Lead major incidents, troubleshooting activities and critical infrastructure changes.
- Establish best practices for documentation, governance, automation and operational assurance.

Pre‑Sales & Strategic Solution Development
- Support customer opportunities through solution design, estimation and technical consultation.
- Contribute to bids, proposals and tender responses.
- Develop implementation strategies and migration approaches for complex customer environments.
- Communicate technical concepts effectively to both executive and technical stakeholders.
- Support the continued development and growth of Ethan's infrastructure services practice.

Essential Skills & Experience
- 10+ years' experience across service provider, carrier, cloud, data centre or enterprise networking environments.
- Proven experience designing and supporting large-scale production infrastructure.
- Strong architecture and operational experience across cloud, networking and data centre technologies.
- Experience working within MSP, telecommunications, cloud service provider or carrier environments.
- Demonstrated ability to lead complex technical engagements and influence technical outcomes.
- Strong stakeholder engagement and communication capability.
- Experience mentoring engineers and establishing technical standards.

Technical Skills Core Requirements
- Strong data centre and cloud networking expertise.
- VMware, Nutanix and Proxmox experience.
- NSX‑T experience.
- Enterprise routing and switching expertise.
- MPLS, EVPN and VXLAN design experience.
- Cisco ASR, NCS,



Nexus and enterprise networking platforms.
- Fortinet security technologies.
- Python development, automation and API integration.
- Network automation and orchestration experience.
- Strong troubleshooting capability across complex hybrid environments.

Highly Desirable
- Cisco ACI experience.
- Megaport and cloud interconnect experience.
- Segment Routing, SR‑MPLS and large-scale service provider operations.
- Security architecture and zero‑trust design principles.
- Infrastructure integration with monitoring, ITSM and CMDB platforms.
- AI-assisted development and infrastructure automation experience.

Beyond the technical skills, we're seeking someone who:
- Can work effectively across multiple technical domains rather than operating within a narrow specialty.
- Produces high‑quality documentation and architectural artefacts.
- Works collaboratively within high‑performing technical teams.
- Demonstrates initiative and adaptability in dynamic environments.
- Brings a commercial mindset and customer‑focused approach.
- Is comfortable balancing architecture, operational support and strategic technical leadership.

Qualifications
- Degree in Information Technology, Computer Science, Engineering or related discipline preferred.
- Relevant vendor certifications highly regarded, including:
- Cisco CCNP or CCIE
- Fortinet certifications
- VMware certifications
- Nutanix certifications
- DevNet or Automation certifications
- ITIL qualifications

- Demonstrated practical experience is considered more important than certifications alone.

Why Join Ethan?

This is a unique prospect to become one of the key senior architects responsible for Ethan's core network, cloud and data centre infrastructure. You'll work on strategic infrastructure initiatives including data centre expansion, cloud transformation, automation and AI infrastructure projects while helping shape the future direction of Ethan's managed services capability.

Right to Work

* You must have the right to live and work in Australia to apply for this job. *

#J-18808-Ljbffr

📌 Senior Network Architect - Service Provider, Cloud & Automation (Sydney)
🏢 Ethan Talent
📍 Sydney