Senior Network Engineer

NTT DATA, Inc.; Sydney; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

NTT DATA, Inc. is seeking a Senior Network Engineer in Sydney to design, engineer, and support advanced network solutions across multiple portfolios. You will collaborate with cloud networking, automation, and workforce connectivity squads to deliver secure and resilient infrastructure.

The role involves 50% office attendance in Sydney CBD, with a contract duration of initial 6 months and potential extension. Strong Cisco routing, BGP/OSPF, and security expertise are essential.

Qualifications

• CCNP/CCIE or equivalent certifications preferred.
• Experience in large enterprise or highly regulated environments.
• Strong stakeholder engagement and communication skills.
• Ability to work independently and across multidisciplinary teams.

Responsibilities

• Design and engineer advanced network solutions across portfolios.
• Collaborate with cloud networking, automation, and workforce teams.
• Ensure secure, resilient network infrastructure and operational stability.

Skills

Cisco routing and switching

BGP OSPF VLANs VRFs

Cisco ASA firewalls

F5 LTM/GTM load balancers

VPN security connectivity

Network automation IaC

Enterprise network troubleshooting

Change management & documentation

Tools

Cisco ACI/APIC/Nexus

Job description

Location: Sydney CBD (50% office attendance required)

Employment Type: Contract (Full Time)

Duration: Initial 6 months contract with potential extension

Overview

Join a leading Enterprise Services technology team driving innovation across large‑scale, mission‑critical environments. The Network Engineering function is central to delivering secure, resilient network infrastructure that supports multiple business units and high‑profile digital products.

As a Senior Network Engineer, you will design, engineer, and support advanced network solutions that enable business value and operational stability across multiple portfolios. You will collaborate with diverse engineering squads spanning cloud networking, network automation, and workforce connectivity.

Key Skills & Experience

• Cisco routing and switching technologies
• BGP, OSPF, VLANs, VRFs, and network segmentation
• Cisco ACI, APIC, and Nexus platforms
• Cisco ASA firewalls and security technologies
• F5 LTM/GTM load balancing solutions (or equivalent technologies)
• VPN, firewall, and secure network connectivity solutions
• Network automation and Infrastructure-as-Code tools and methodologies
• Enterprise network troubleshooting across complex environments
• Change management, rollback planning, risk assessment, and technical documentation

Desired Qualifications

• Cisco certifications such as CCNP, CCIE, or equivalent
• Experience working within large enterprise or highly regulated environments
• Strong stakeholder engagement and communication skills
• Ability to work independently and collaborate across multidisciplinary technical teams