Ethos BeathChapman
Principal Network Security Architect
Skills
24 days ago
Share this opportunity
Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.
Important information
Contract type:
Freelance / Contract
Location:
Sydney NSW, Australia
Work mode:
Hybrid
Published on:
1 October 2026
What they need
A great contract opportunity within a high-profile enterprise organisation in the CBD.
We're looking to engage an experienced Network Security Architect to lead the design and delivery of Cisco EVPN-VXLAN fabric build across 2 data centres.
Our client is a government-backed critical infrastructure organisation responsible for services that keep people and places safe. They are seeking a Principal Network Security Architect to join their Cyber Security Networks team on a 12-month contract.
You'll play a key role in a highly technical, collaborative team, joining a friendly, fast-paced, dynamic and diverse group who are passionate about protecting the communities they serve. The role is hybrid, with the team in the Sydney CBD office on Tuesdays and Thursdays. Some data centre attendance will be required to meet project needs.
In this role you will:
- Complete the detailed design and implementation of a Cisco switched EVPN-VXLAN fabric between 2 data centres
- Migrate critical applications from the legacy network to the new EVPN-VXLAN fabric
- Collaborate with third-party vendors and client stakeholders to deliver on agreed commitments and standards
- Provide operational escalation support to the Network Operations Centre and Security Operations team
- Support the business during and after cutover
- Act as the Network Security Subject Matter Expert (SME) within project teams, providing guidance and expertise
What you'll bring:
- Design and implementation of secure, resilient and scalable networks supporting critical government infrastructure and applications. Key technologies include routing, switching, Next Generation Firewalls, Network Access Control (NAC), public cloud and Application Delivery Controllers (ADC), with particular emphasis on Cisco switched EVPN-VXLAN fabric
- Outstanding communication skills, with the confidence to engage stakeholders at all levels of the organisation
- Strong design and as-built documentation skills, including up-to-date network diagrams
- Outstanding ability to troubleshoot and manage incidents and problems relating to the migration
- Experience developing technology roadmaps that align with organisational goals
- Up-to-date knowledge of ICT, cyber security and cyber risk trends, and relevant industry certifications
- A baseline security clearance, or the ability to attain and maintain one
If you're detail-oriented, self-directed, and enjoy being part of a supportive team that's continuously improving how things get done and enjoy working together, then Apply and submit your resume today.
Other offers great for you!
These companies are also looking for great profiles
Freelance.com
Network Security Architect - Freelance
650€/jour
Freelance
Paris, France
Onsite, Hybrid
Skills
4 days ago
Quick apply
Futurwork
Data center Network Architect
700 - 750€
Freelance
Brussels, Belgium
Hybrid
Skills
2 days ago
Quick apply
Kalytech Consulting
DATACENTER NETWORK ARCHITECT
Freelance
Brussels, Belgium
Hybrid
Skills
1 day ago
Quick apply
No company information available.