What's The Role: The Senior Infrastructure Engineer is responsible for the deployment, support and continuous improvement of Lindsay Australia's national network and cybersecurity infrastructure.
The role will support Fortinet-based projects across more than 60 sites while providing Level 3 operational support to ensure secure, reliable and scalable connectivity for the business.
The position requires strong Fortinet expertise, experience with SD-WAN, firewalls, switching and wireless technologies, and the ability to manage infrastructure projects from design through implementation.
Due to the transition away from outsourced network support services, Lindsay Australia requires an experienced Fortinet-certified engineer to lead the deployment, management, and optimisation of network and security infrastructure across more than 60 national sites.
The role will be responsible for delivering strategic network projects, supporting business-as-usual operations, maintaining security compliance, and ensuring the ongoing availability, performance and resilience of critical infrastructure.
Your main responsibilities will include:
Lead the rollout and standardisation of network infrastructure across more than 60 national sites.
Manage and maintain Fortinet SD-WAN services to ensure resilient and optimised connectivity between sites, cloud services and datacentres.
Provide Level 3 support for network, firewall and security incidents.
Develop and maintain security policies, routing standards and network design documentation.
Monitor network performance, availability and security posture, implementing improvements where required.
Participate in infrastructure projects including:
Site acquisitions and integrations
Network refreshes
Security uplift initiatives
Cloud connectivity projects




Business continuity and disaster recovery planning
Work closely with internal IT teams, business stakeholders and external vendors to deliver solutions that meet operational requirements.
Ensure compliance with company cybersecurity frameworks, Essential Eight controls and industry best practices.
Maintain technical documentation, network diagrams, support procedures and solution designs.
Participate in after-hours support and major incident response activities as required.
What You'll Bring:
Hands on experience with: FortiGate, FortiManager, FortiAnalyzer and FortiSwitch IPSec VPNs SD-WAN BGP and OSPF routing Network segmentation and security policies
Experience managing multi-site WAN environments.
Strong troubleshooting and problem-solving skills.
Experience working within ITIL-based service environments.
Excellent written and verbal communication skills.
Minimum 5 years' experience supporting enterprise network environments.
Desirable NSE6 or NSE7 certification.
Experience with Microsoft Azure and/or AWS
Knowledge of NIST Cyber Security Framework and Essential Eight.
Experience within transport, logistics or warehousing environments.
Qualifications
Fortinet NSE5 or higher (mandatory)
Relevant tertiary qualification in Information Technology, Networking or Cyber Security (preferred)
What We Offer
Career development opportunities in a growing organisation.




A family-oriented company culture that values safety, support, and inclusivity.
Recognition and rewards for key service milestones.
Employee referral and retention bonus programs.
Salary packaging options, including novated leases.
Discounts with partners such as Qantas, Ringers Western, Bridgestone Tyres, and more.
Equal Opportunity Employer: The Lindsay Group is committed to creating a diverse environment and is proud to be an equal opportunity employer.
All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Drive Your Career Forward with Lindsay Australia At Lindsay Australia, we're proud to connect communities whilst delivering Australia's best.
As a leader in the refrigerated transport and logistics industry, our focus is simple: deliver exceptional service while supporting the people who make it all possible—our team.
Across more than 60 transport and rural depots Australiawide, we offer exciting career opportunities in over 80 different roles—from local and long-distance drivers to warehouse, workshop, and office professionals.
When you join Lindsay, you're not just taking a job—you're stepping into a team that values hard work, supports your growth, and takes pride in doing things the right way.
We work hard to maintain quality equipment, well-run facilities, and a supportive and secure environment for our people.
If you're reliable, motivated, and looking to be part of a team that makes a real difference, we'd love to hear from you.
Join the team that keeps our nation moving.
Join Lindsay Australia.
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📌 Senior Infrastructure Engineer (Brisbane)
🏢 Lindsay Australia
📍 Brisbane