Senior Network & Cyber Engineer (Fortinet & OT/IT)

Ferrovial Services Australia; Sydney; Hybrid; AUD 140,000 - 210,000; Full time

Job summary

LBJ Infrastructure Group is seeking a Senior Network and Cyber Engineer to design, secure, and optimize our network, cybersecurity, and field systems environments across data centers and the ITS infrastructure. The role ensures high availability, scalability, and secure operations in hybrid IT/OT settings, driving modernization and compliance.

You will lead network architecture, oversee vulnerability management, governance, and incident response, and collaborate with vendors to maintain

Qualifications

• Bachelor’s degree in IT, Network Engineering, or Cybersecurity.
• 8–10+ years in network and cybersecurity roles.
• Strong knowledge of routing, switching, VPNs, and BGP/OSPF.

Responsibilities

• Design, implement, and maintain scalable, secure network architectures.
• Lead cybersecurity audits, policies, and incident response.
• Oversee vulnerability management and risk remediation.
• Monitor performance, SLAs, and IT/OT integration across environments.
• Maintain documentation, CMDB, and change control.

Skills

Network engineering

Cybersecurity

Fortinet

OT/ITS

Documentation

Education

Bachelor's degree in IT/Networking/C cybersecurity

Tools

Fortinet FortiGate

NetBox

Monitoring tools

Job description

LBJ Infrastructure Group is seeking a Senior Network and Cyber Engineer to design, secure, and optimize our network, cybersecurity, and field systems environments across data centers and the ITS infrastructure. The role ensures high availability, scalability, and secure operations in hybrid IT/OT settings, driving modernization and compliance.

You will lead network architecture, oversee vulnerability management, governance, and incident response, and collaborate with vendors to maintain