Senior Network and Operational Technology Engineer

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

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.

Applications close: Friday 30th October 2026

Want to know more?

If you would like to understand more about the role you can email the following contact email.

[e-mail]

Flinders Port Holdings is committed to providing an accessible and inclusive recruitment process. If you require any adjustments or accessibility support during the recruitment process, please contact our team via the email address above so we can assist you.

At Flinders Port Holdings, we’re committed to diversity and inclusion. We encourage applications from all backgrounds, including people with disabilities, all age groups, the LGBTIQA+ community, and culturally diverse backgrounds, including First Nations People. Our team values diverse perspectives, believing that they enhance our work environment and benefit our customers. Join us, and be part of a workplace where everyone belongs.