Cyber Security Architect | Melbourne

Are you an all-rounder Security Architect who enjoys variety, loves working with stakeholders and wants to help shape a function from the ground up?

We're partnering with one of Australia's leading critical infrastructure organisations, delivering essential projects across transport, utilities and government. It's a great business for security, with real scale, complex environments and work that genuinely matters.

The Opportunity

This is a brand-new role reporting into the newly appointed Application Security Manager, who is building a greenfield AppSec function. You'll also have a dotted line into the Head of Security Engineering & Platforms, an outstanding leader who is well respected across the industry.

You'll be the go-to security architect across a wide range of projects, covering applications, cloud, data, identity, endpoint and infrastructure, helping teams build securely from day one.

What you'll be doing

- Reviewing solution designs, technology changes and project artefacts to identify risks and control requirements
- Providing security architecture advice across applications, platforms, cloud, infrastructure and data environments
- Defining reusable secure-by-design patterns, guardrails and architecture principles
- Translating threats, vulnerabilities and control gaps into practical design recommendations and business risk




- Supporting risk assessments, security exceptions and remediation decisions
- Partnering with Enterprise Architecture, Cloud, Data, Cyber Defence, GRC and strategic suppliers
- Contributing to architecture governance, standards and capability uplift

What they're looking for

- 7+ years' experience in IT or cyber security, with solid time in security architecture in complex enterprise environments
- A generalist mindset, comfortable jumping across a variety of projects and technology domains
- Robust Azure experience. They operate in a Microsoft environment, so familiarity with Azure AD/Entra ID and the Defender suite is a big plus
- Strong communication and stakeholder management skills, able to influence technical and non-technical audiences
- Working knowledge of NIST, ISO 27001 and the ASD Essential Eight

What's on offer

- Up to $240K total package (dependent on experience)
- Melbourne preference, open to Sydney / hybrid working arrangements
- The chance to help shape a new function from the ground up
- A supportive, highly regarded leadership team
- Scale, variety and meaningful work across critical infrastructure

If this sounds like you, apply now or reach out to [email protected] or [email protected] directly for a confidential chat.

📌 Security Architect (Melbourne)
🏢 The Decipher Bureau
📍 Melbourne