Network Security Engineer: Lead Designs & Projects

Brennan IT; Adelaide; On-site; AUD 90,000 - 120,000; Full time

Benefits offered by this job

Training and certification bonuses

Culture Awards that recognise excelll

Brennan Daredevils trip

Vibrant social activities

Discounted hardware and software

Learning and development

Job summary

Brennan IT is seeking a Network Security Engineer in Adelaide to join our fast-growing security practice. You will own end-to-end solution designs, consult with clients, and coordinate across teams to deliver secure networking solutions that align with business goals.

You will mentor colleagues, shape security strategies, and contribute to projects, leveraging Fortinet, Palo Alto, and other industry-leading platforms. This role offers a dynamic, collaborative environment in Australia.

Qualifications

• Clear and concise communication skills essential for client engagement.
• Strong attention to detail and security control understanding.
• Solid knowledge of core network security technologies and concepts.

Responsibilities

• Develop high level and detailed solution designs for client requirements.
• Lead delivery of complex components across multiple workstreams.
• Provide expert consulting on trade-offs, decisions, and risk.
• Translate business needs into structured designs and implementation guidance.
• Coordinate with cross-functional teams to fit enterprise constraints.
• Mentor junior staff through project delivery tasks.

Skills

Clear communication

Attention to detail

Networking knowledge

Security best practices

Client consulting

Tools

Fortinet FortiGate

Palo Alto Networks

Juniper

Aruba

Cisco

Juniper Apstra

Zscaler

Cloudflare

F5 Big-IP

Job description

Brennan IT is seeking a Network Security Engineer in Adelaide to join our fast-growing security practice. You will own end-to-end solution designs, consult with clients, and coordinate across teams to deliver secure networking solutions that align with business goals.

You will mentor colleagues, shape security strategies, and contribute to projects, leveraging Fortinet, Palo Alto, and other industry-leading platforms. This role offers a dynamic, collaborative environment in Australia.