Senior Security Architect: Architecture Assurance Lead

Cache Group; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Cache Group is seeking a Senior Security Architect for a permanent role based in Melbourne, with an embedded full-time assignment within a major enterprise client.

The role is architecture assurance—not hands-on development or pre-sales; you will review designs, defend security choices with senior stakeholders, and collaborate with other embedded architects and the client's security leadership to raise our practice and grow senior professionals into lead roles.

Qualifications

• Minimum 10 years of security experience with senior architecture responsibilities.
• Deep knowledge of at least one cloud platform (AWS, Azure or GCP).
• Proven client-facing experience with ability to defend positions under scrutiny.
• Demonstrated ability to design and justify secure architectures.
• Experience governing third-party delivery is advantageous.

Responsibilities

• Review security designs from delivery partners and challenge weaknesses.
• Set and defend security architecture decisions with senior stakeholders.
• Defend design and risk positions when challenged by clients.
• Collaborate with embedded architects and client security leadership.
• Be part of a practice that develops senior architects into lead roles.

Skills

Security architecture

Client-facing

Design decision making

Architecture governance

Tools

SABSA

TOGAF

CISSP

Job description

Cache Group is seeking a Senior Security Architect for a permanent role based in Melbourne, with an embedded full-time assignment within a major enterprise client.

The role is architecture assurance—not hands-on development or pre-sales; you will review designs, defend security choices with senior stakeholders, and collaborate with other embedded architects and the client's security leadership to raise our practice and grow senior professionals into lead roles.