Network Security Engineer

Brennan. Where true performance thrives. 
At Brennan, we believe that how technology is delivered is every bit as important as what the technology is. We focus on creating real and relevant value for customers with solutions that fit their specific needs and always reflect their true interests. It’s a claim backed by our True Performance System – a way of working engineered to get us closer, and deliver better, for our customers and their actual experience of technology. 
  
Why join Brennan 
True performance for our customers starts with a true belief in our people. 
It’s why we’ve structured our business to help our teams, and their talents, shine bright. It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are welcomed and empowered. And it’s why we’ve built an organisation where real innovation makes a genuine impact and generates true rewards for our team members.

True rewards 
In addition to competitive remuneration, Brennan offers extensive benefits, including: 

• Training and certification bonuses
• Culture Awards that recognise excellence
• Brennan Daredevils – our annual, all-expenses paid trip awarded to our top performers and outstanding contributors
• Vibrant, fun social activities
• Discounted hardware and software
• An environment that embraces learning and development

The Role
Due to fast paced growth, Brennan's Cybersecurity practice is seeking a Network Security Engineer to join our Security team in Adelaide.

In this role, you will own the end-to-end delivery of high level/low level solution designs, consult with customers, lead projects and coordinate across teams. You will also provide thought leadership, guidance, and strategic advice to our customers on networking and cybersecurity matters.

Key Responsibilities:

• Develop high level and detailed solution designs that meet business and technical requirements
• Lead delivery of complex solution components across multiple workstreams
• Provide expert consulting, guiding clients through trade-offs, decision points, and risk implications
• Translate business needs into structured designs, requirements, and implementation guidance
• Coordinate with cross-functional teams to ensure the solution fits enterprise constraints and objectives
• Mentor and guide junior staff through project delivery activities

Key Skills:

• Clear and concise communication
• Attention to detail with the ability to discern checkbox compliance from security control intent and efficacy
• A strong understanding of network and network security technologies such as:
  • Network concepts
  • Next-Generation Firewalls: Fortinet or Palo Alto Networks
  • LAN and WLAN: Juniper, Aruba or Cisco
  • Datacentre networking: Juniper Apstra
  • SD-WAN, SSE and SASE: Fortinet, Zscaler, Aruba
  • Network Access Control: Cisco ISE, Aruba ClearPass
  • Reverse Proxy, Server Load balancing and WAF: Cloudflare, F5 Big-IP

If you are looking to join a company that supports your growth, encourages continuous learning, and offers real opportunities to build your career then apply now.

As part of our hiring process, you will be required to undertake a National Criminal History Check.

Brennan is an equal opportunity employer.