Senior Network Engineer Architect

At Thales, we know technology has the ability to make our world more secure, sustainable, and inclusive – and that it's all driven by human intelligence.

Because it takes human intelligence to build and power the systems and solutions that people depend on every day. So we stay curious and make space for diverse points of view. We share what we know and we challenge what's possible.

From manufacturing and engineering to cybersecurity and space, we're driving progress in some of the world's most important industries – and working together to build a future we can all trust.

About The Team
At Thales, we know technology has the ability to make our world more secure, sustainable, and inclusive – and that it's all driven by human intelligence.

Because it takes human intelligence to build and power the systems and solutions that people depend on every day. So we stay curious and make space for diverse points of view. We share what we know and we challenge what's possible.

From manufacturing and engineering to cybersecurity and space, we're driving progress in some of the world's most important industries – and working together to build a future we can all trust.

Thales delivers cybersecurity products and services that keep people and assets safe, giving organisations confidence in the security of their digital journeys. Our solutions are deployed in 148 countries, helping governments to maintain sovereignty, and organisations to preserve their strategic autonomy. Thales is a global leader in cybersecurity - no.1 in data security - with 6,000+ experts and developers. We bring trust and resilience to key industries including finance, health, retail and manufacturing, as well as vital sectors such as aerospace, critical infrastructure, defence and space.

About The Role
Thales Cyber Services is seeking a full-time Senior Network Engineer-Architect to join our team based in Australia. As a Senior Network Engineer, you will be responsible for creating scalable, secure, and reliable network solutions, ensuring high performance and adaptability to future technological advancements. You will collaborate closely with other business teams to align network systems with business needs and strategic goals.

In this hands-on operational role the successful candidate will be expected to understand the physical and logical design of our complex networks, along with capacity management for any future growth.

The role will be based in Sydney and will require the successful applicant to undergo an Australian Police check. Australian citizenship is required along with willingness to complete NV1 security clearance.

You will be asked to:

• Design high-level network architecture for Data Centre & Cloud technologies.
• Develop and document network topology, configuration, and security standards.
• Evaluate and implement solutions for scalability, security, and performance improvements.
• Configure routers, switches, firewalls, and other network devices in alignment with architecture plans.
• Ensure that network solutions support business continuity, data privacy, and regulatory compliance.
• Implement and monitor network security solutions.
• Develop network policies and procedures to ensure secure access to network resources.
• Monitor network performance to identify issues and opportunities for enhancement.
• Troubleshoot and resolve network issues, including outages and degradations.
• Maintain accurate documentation of network architecture, configuration settings, and network management policies.
• Provide technical guidance and training to Network Engineers and support staff.
• Engage with vendors and suppliers to evaluate new networking products and services.
• Provide operational and on-call support
• Provide pre-sales support as needed and identify leads in partnership with Sales
• Own, understand, and articulate technical information around security practices, standards and cybersecurity, identifying risks and suggested improvements to support business operations.

About You
With strong commercial acumen, you will ideally be tertiary qualified in Networking, Computer Science or a relevant discipline. As an experienced Senior Network Engineer Architect, preferably within data centre infrastructure, you will also bring:

• Solid experience across Cisco, Arista, Juniper, FortiGate and Palo Alto platforms.
• A strong background in networking and security with a deep understanding of advance routing, switching, firewalls and security concepts.
• Demonstrated ability to automate repetitive tasks and use CI/CD where appropriate.
• Current vendor or industry certifications such as CCIE, CISSP or CISM is essential.
• Solid understanding of the networking technologies such as LAN/ VxLAN/ EVPN and routing protocols such as BGP & OSPF including inter-DC networking.
• Knowledge of ITIL methodologies would be beneficial.
• Exceptional communication skills to articulate concepts to diverse stakeholder groups including non-technical
• Understanding of utilisation goals and ability to proactively manage to the desired outcome.
• Strong understanding of arrangements for small to large projects and able to demonstrate value of service offerings to clients.
• Ability to articulate desired state outcomes for clients and the ROI delivered through engagements
• Collaborative, team-focused and outcome driven approach, with an ongoing emphasis on learning and continuous improvement

Our Benefits
In addition to interesting, engaging opportunities that impact at scale, and ongoing personal and professional development opportunities, Thales can offer you:

• Competitive remuneration structure
• Hybrid and flexible working options under the ThalesFlex program
• 20 weeks paid parental leave and family support through Parents at Work
• Extra leave day per year

It's easy to dismiss the perfect opportunity if you don't see yourself as the perfect fit. If this role feels right – no matter your background or personal circumstances – please introduce yourself or join our community. We're committed to supporting a diverse workplace, and that starts here.

We're proud to be endorsed by WORK180 as an Employer for All Women, but we know there's always more we can do. We'll continue to foster industry partnerships, employee resource groups (ERGs) and development opportunities to make Thales a genuinely equitable employer, for everyone.

Read more about our WORK180 endorsement.