OT Network Engineer — 24/7 Critical Infra

NSW Public Service Commission; Sydney; On-site; AUD 125,000 - 140,000; Full time

Job summary

Transport for NSW is seeking an Operational Technology Networks Support Officer to maintain and enhance the OT network and related systems at Yennora. You will monitor performance, manage changes and support critical infrastructure across a 24/7 roster, working with partners to keep services secure and available.

The role requires strong network expertise, CCNA-level certification or equivalent experience, and willingness to travel. Permanent full-time role based in Yennora, NSW.

Qualifications

• Strong technical expertise in network design, implementation and support.
• Experience with MPLS, VXLAN, and Ethernet VPN networks.
• Knowledge of Cisco, Palo Alto, F5 and SD-WAN technologies.
• Experience with VoIP telephony services and OT network environments.

Responsibilities

• Maintain and enhance the OT network and related systems to ensure security, reliability and availability.
• Monitor network performance and manage system changes in line with OT service management processes.
• Contribute to planning, reviewing and implementing network changes and improve cybersecurity posture.
• Collaborate with stakeholders in a 24/7 operational environment to keep critical systems running.

Skills

Network design

MPLS

VXLAN

Cisco

Palo Alto

F5

SD-WAN

VoIP

OT networks

24/7 on-call

Education

Tertiary qualification

Tools

Cisco

Palo Alto

F5

SD-WAN

Job description

Transport for NSW is seeking an Operational Technology Networks Support Officer to maintain and enhance the OT network and related systems at Yennora. You will monitor performance, manage changes and support critical infrastructure across a 24/7 roster, working with partners to keep services secure and available.

The role requires strong network expertise, CCNA-level certification or equivalent experience, and willingness to travel. Permanent full-time role based in Yennora, NSW.