Senior Network and Operational Technology Engineer

Flinders Ports Pty Limited; Adelaide; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Flexible working arrangements

Supportive team environment

Inclusive workplace

Dress for your day

Pre-employment medical assessment

MSIC application support

Right to work in Australia

Job summary

Flinders Port Holdings in Adelaide is seeking a Senior Network and Operational Technology Engineer to design, implement, and manage our network and OT integration across the port's facilities. You will lead security-focused initiatives, manage complex WAN/LAN/WLAN architectures, and collaborate with cyber security to protect critical infrastructure.

This role includes after-hours on-call and vendor liaison.

Qualifications

• Bachelor of Information Technology or equivalent.
• 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, policy management, zones, NAT, VPNs, high availability.
• Knowledge of BGP, OSPF, EIGRP, MPLS and security protocols.
• Design and management of complex LAN/WAN/WLAN architectures with high availability and DR.
• Wireless networks (5G, LTE), cloud environments (AWS, Azure, GCP), and VoIP with QoS.
• Certifications (CCNA, CCNP, CCIE) desirable; strong analytical and communication skills.

Responsibilities

• Design, implement, and manage scalable, secure, highly available network solutions meeting business needs.
• Continuously monitor network systems for optimal performance and address issues proactively.
• Conduct regular network upgrades to improve efficiency, capacity, and security; ensure policy compliance.
• Collaborate with Cyber Security to implement robust security measures across the network.
• Provide advanced technical support, resolve incidents and outages, perform root-cause analysis.
• Participate in after-hours on-call roster (approx. one week every six weeks).
• Manage external vendor relationships, documentations, and align solutions with business needs.

Skills

Cisco routers & switches

Network security

Firewall management

VPNs

BGP OSPF EIGRP MPLS

LAN/WAN/WLAN

Cloud networking

VoIP & QoS

Disaster recovery

Network virtualization

Education

Bachelor of Information Technology

Tools

Palo Alto Networks

Fortinet FortiGate

Job description

## Senior Network and Operational Technology EngineerApply: Adelaide: Full time: Posted 2 Days Ago: End Date: October 31, 2026 (13 days left to apply): JR000306**About Flinders Port Holdings** Flinders Port Holdings own and operate Flinders Adelaide Container Terminal, the port of Port Adelaide as well as the six key regional ports of Port Giles, Port Lincoln, Wallaroo, Port Pirie, Klein Point and Thevenard. We also provide integrated supply chain solutions through Flinders Warehousing and Distribution. Beyond ports, we deliver hydrographic survey services through HydroSurvey Australia. Flinders Port Holdings is ranked as one of South Australia’s top 10 companies, with an annual turnover of more than $300 million. We employ over 650 people and indirectly support 24,000 jobs in South Australia. Through our operations we facilitate over $25 billion in international trade annually and are the key platform for South Australian two-way trade in goods. **Role Overview** The Senior Network Operational Technology Engineer is responsible for designing, implementing, and managing the organisation's network infrastructure. The position ensures the stability, security, and performance of the network, while leading strategic network projects, troubleshooting complex issues, and mentoring junior engineers. Additionally, the Senior Network and Operational Technology Engineer plays a pivotal role in integrating Operational Technology (OT) systems, ensuring seamless network and OT operations across the enterprise. **Key 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. **About you** Your skills and experience will include;* 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; and* Ability to work independently or collaboratively, with a customer-focused mindset and a commitment to staying updated on the latest technology trends. **Benefits** At Flinders Port Holdings, we care about our people. That’s why we offer a range of benefits that support your wellbeing, career development and life outside of work, including:* Flexible working arrangements* A supportive, motivated and collaborative team environment* An inclusive workplace that values diversity* Dress for your day office attire Even if you don’t think you quite meet all the criteria, we’d still love to hear from you. A pre-employment medical assessment (including drug and alcohol screening) is a requirement of this role, along with the ability to obtain and hold a Maritime Security Identification Card (MSIC). If you don't currently hold an MSIC, don't worry - we'll support you through the application process if you're successful. To be eligible for consideration, applicants must have the right to work in Australia. Please click on the link provided to submit your application, ensuring your Resume outlines your experience and qualifications. Applications close: Friday 30th October 2026 **To Apply**Please click on the Apply button above to submit your application. Please note, email applications will not be considered.