Senior Technical Consultant - Secure Networks, Yarralumla

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 Senior Technical Consultant to join our Secure Network team in Canberra. As a Senior Technical Consultant, 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.

NV1 clearance is required for the role.

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

Brennan is an equal opportunity employer.

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