Senior Network & OT Engineer: Secure, Scalable Infra

Flinders Port Management Services Pty Ltd; Adelaide; On-site; AUD 150,000 - 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 is seeking a Senior Network Operational Technology Engineer to design, implement, and manage our scalable OT and network infrastructure across ports in Australia.

You will lead security-focused network projects, troubleshoot complex issues, mentor junior engineers, and coordinate with Cyber Security. Applicants should have IT/DK credentials and strong Cisco, firewall, and cloud experience.

Qualifications

• Bachelor of Information Technology or equivalent level of skills and knowledge gained through experience.
• Extensive network engineering experience with expertise in Cisco routers, switches, site commissioning, and fault-finding.
• Strong firewall and network security experience, including hands-on expertise 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
• 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 networking

Firewall security

VPNs

NAC/IDS-IPS

BGP/OSPF/EIGRP/MPLS

LAN/WAN/WLAN design

Cloud environments

VoIP deployment

QoS management

Vendor management

Communication skills

Education

Bachelor of Information Technology

Tools

AWS

Azure

GCP

Job description

Flinders Port Holdings is seeking a Senior Network Operational Technology Engineer to design, implement, and manage our scalable OT and network infrastructure across ports in Australia.

You will lead security-focused network projects, troubleshoot complex issues, mentor junior engineers, and coordinate with Cyber Security. Applicants should have IT/DK credentials and strong Cisco, firewall, and cloud experience.