Senior Network & OT Engineer – Hybrid & High-Impact

Centorrino Technologies Pty Ltd.; Adelaide; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working arrangements

Supportive team environment

Diversity and inclusion

Dress for your day

Job summary

Flinders Port Holdings seeks a Senior Network and Operational Technology Engineer to design, implement and manage our enterprise network and OT integration. You will ensure stability, security, and performance across the network and OT systems while leading critical projects and mentoring junior engineers.

You will collaborate with cyber security, manage incidents, and drive improvements in scalable networks, disaster recovery, and high availability across ports and data centres.

Qualifications

• Bachelor of Information Technology or equivalent level of skills and knowledge gained through experience.
• Extensive network engineering experience with Cisco routers, switches, site commissioning, and fault-finding.
• Strong firewall/security experience including Palo Alto and Fortinet firewalls, policy management, NAT, VPNs, and high availability.
• Knowledge of security protocols (IDS/IPS, NAC) and advanced routing (BGP/OSPF/EIGRP/MPLS).
• Designing and managing complex LAN/WAN/WLAN/data centre architectures with high availability and disaster recovery.
• Hands-on experience with wireless networks (5G/LTE), cloud environments (AWS/Azure/GCP), and VoIP with QoS management.
• Certs (CCNA/CCNP/CCIE) are desirable.

Responsibilities

• Design, implement, and manage scalable, secure network solutions.
• Monitor and maintain network systems for optimal performance.
• Perform regular upgrades to improve security and capacity.
• Collaborate with Cyber Security to enforce robust protections.
• Provide advanced technical support and root-cause analysis.
• Participate in on-call rotation as required.
• Manage external vendor relationships and document solutions.

Skills

Cisco networking

Firewall security

Palo Alto Networks

Fortinet FortiGate

BGP/OSPF/EIGRP/MPLS

LAN/WAN/WLAN design

Cloud networking (AWS/Azure/GCP)

5G/LTE wireless

VoIP and QoS

Security policies and NAT

Networking documentation

Vendor management

Education

Bachelor of Information Technology or equivalent

Two or more vendor certifications (CCNA/CCNP/CCIE)

Tools

Palo Alto Firewalls

Fortinet FortiGate

Job description

Flinders Port Holdings seeks a Senior Network and Operational Technology Engineer to design, implement and manage our enterprise network and OT integration. You will ensure stability, security, and performance across the network and OT systems while leading critical projects and mentoring junior engineers.

You will collaborate with cyber security, manage incidents, and drive improvements in scalable networks, disaster recovery, and high availability across ports and data centres.