Senior Network & OT Engineer – Flexible, Hybrid Role

Flinders Port Holdings Pty Limited; Adelaide; On-site; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Flexible working arrangements

Supportive, collaborative team

Inclusive workplace

Dress for your day office attire

Job summary

Flinders Port Holdings is seeking a Senior Network Operational Technology Engineer to design, implement, and manage the organisation’s network and OT capabilities across our ports in Port Adelaide and regional facilities. You will lead scalable network solutions, drive security initiatives with the Cyber Security team, and mentor junior engineers while handling on-call support and vendor relationships.

This role requires strong Cisco, firewall, and OT integration expertise in a diverse port

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 and network security experience with Palo Alto Networks and Fortinet (FortiGate) firewalls, firewall policy management, security zones, NAT, VPNs, high availability, and security rule configuration and troubleshooting.
• Strong knowledge of network security protocols, including firewalls, VPNs, NAC, IDS/IPS, and advanced routing protocols (BGP, OSPF, EIGRP, MPLS).
• Proficient in designing and managing complex network architectures (LAN, WAN, WLAN, data centres) with a focus on high availability, disaster recovery, scalability, and network virtualisation.
• Hands-on experience with wireless networks (5G, LTE), cloud environments (AWS, Azure, GCP), and VoIP deployment, with expertise in QoS management and disaster recovery.
• Relevant certifications (CCNA, CCNP, CCIE) are highly desirable, along with strong analytical and communication skills and vendor management; and
• Ability to work independently or collaboratively, with a customer-focused mindset and a commitment to staying updated on the latest technology trends.

Responsibilities

• Design, implement, and manage scalable, secure, and highly available network solutions that meet business needs;
• Continuously monitor and maintain network systems for optimal performance, addressing issues proactively;
• Conduct regular network upgrades to improve efficiency, capacity, and security, ensuring compliance with security policies;
• Collaborate with the Cyber Security team to implement robust security measures, protecting the network from threats;
• Provide advanced technical support, resolving incidents and outages, analysing root causes, and improving network services;
• Participate in the after-hours on-call roster, approximately one week every six weeks, providing timely support and responding to network and operational technology incidents and outages as required;
• Manage external vendor relationships, maintain accurate documentation, and align network solutions with business needs through stakeholder collaboration.

Skills

Cisco routers & switches

Firewall security

VPNs & NAT

BGP OSPF EIGRP MPLS

LAN/WAN/WLAN design

Cloud environments (AWS/Azure/GCP)

VoIP QoS

5G/LTE wireless networks

CCNA/CCNP/CCIE desirable

Vendor management

Education

Bachelor of Information Technology

Tools

Firewall management tools

Job description

Flinders Port Holdings is seeking a Senior Network Operational Technology Engineer to design, implement, and manage the organisation’s network and OT capabilities across our ports in Port Adelaide and regional facilities. You will lead scalable network solutions, drive security initiatives with the Cyber Security team, and mentor junior engineers while handling on-call support and vendor relationships.

This role requires strong Cisco, firewall, and OT integration expertise in a diverse port