Network Engineer

NTT DATA, Inc.; Sydney; On-site; AUD 166,000 - 221,000; Full time

Job summary

NTT DATA, Inc. is seeking an experienced Network Engineer to design and deliver enterprise network solutions across LAN, WAN, wireless, data centre and cloud environments.

The role focuses on hands-on Cisco SD-WAN, routing, switching and wireless, with firewall deployment from Juniper platforms and VPN implementations for site-to-site and remote access. You will work in Agile delivery teams, aligning with security policies and performance targets while enabling seamless, scalable networks for

Qualifications

• Professional experience designing and delivering enterprise network solutions.
• Hands-on with Cisco SD-WAN, routing, switching and wireless.
• Experience with VPNs, security policies, and segmentation in large networks.

Responsibilities

• Engineer secure SD-WAN solutions with Cisco technologies.
• Design, implement and support enterprise networks across LAN/WAN/Wi‑Fi data centres and cloud.
• Deploy secure firewall platforms (Juniper) with NAT, VPNs and segmentation.
• Implement VRFs, VXLAN-EVPN and network virtualisation.
• Design and support IPSec and SSL VPN for site-to-site and remote access.
• Work in Agile delivery environments (JIRA).

Skills

Network engineering

Cisco routing & switching

Cisco SD-WAN

Cisco Wireless/WLC

Juniper Networks

IP networking

DNAC (Cisco DNA Center)

VMware (vManage)

Agile / Jira

SA/VPN management

Tools

Cisco DNAC (DNA Center)

VMware vManage

Job description

We are seeking an experienced Network Engineer to join a project-focused engagement supporting enterprise network design and delivery. This contract is ideal for a hands‑on Engineer with strong networking, wireless, and SD-WAN experience.

Key Responsibilities

• Engineer secure SD-WAN solutions using Cisco SD-WAN technologies, ensuring resilience, performance, and security policy alignment.
• Design, implement, and support secure enterprise network solutions across LAN, WAN, wireless, data centre, and cloud environments.
• Deploy and operate next-generation firewall platforms (Juniper), including policy design, NAT, VPNs, and segmentation.
• Implement network segmentation and virtualisation using VRFs, virtual contexts, and VXLAN-EVPN.
• Design and support IPSec and SSL VPN solutions for site-to-site, remote access, and hybrid cloud connectivity.
• Work in alignment with Agile delivery practices (JIRA-based workflows)

Required Technical Skills

• Strong experience with Cisco Routing and Switching
• Cisco SD-WAN design and implementation
• Cisco Wireless / WLC solutions
• Solid exposure to Juniper Networks
• Strong understanding of IP networking
• Hands‑on experience with DNAC (Cisco DNA Center)
• Experience with VMware (vManage / network integration)

Nice to Have

• Network automation experience (scripts, templates, or tooling)

What We’re Looking For

• Proven experience working as a Network Engineer in complex enterprise environments
• Strong communication and stakeholder management skills
• Ability to work independently and deliver outcomes
• Comfortable operating across design, review, and support phases