About The Missing Link The Missing Link is a leading Australian IT and Cyber Security services provider. We're seeking an experienced Principal Security Engineer / Cyber Security Advisor for a 12-month contract engagement in Melbourne, with potential for extension.

This is a senior, consulting-led role combining security engineering, architecture, cloud security and cyber risk advisory within a complex enterprise environment.

About the Role You'll act as a trusted technical security advisor, working across engineering, architecture and business teams to deliver secure-by-design solutions and pragmatic, risk-based security controls.

The environment spans AWS/GCP, application security, IAM, DevSecOps, network security, threat modelling and governance, with a strong focus on Australian financial services regulation.

Key Responsibilities

Lead security architecture reviews, solution assessments and threat modelling

Conduct comprehensive security risk assessments

Design secure architecture patterns, controls and cloud security standards

Provide security guidance across AWS and/or GCP

Embed security controls into DevSecOps and CI/CD environments

Advise across IAM, SSO, PAM and federated identity

Develop practical, risk-based controls and manage security exceptions

Partner with engineering, architecture, risk and business stakeholders

Ensure solutions align with relevant regulatory and security frameworks





Provide senior technical security leadership and mentoring

About You You're an experienced security practitioner with broad capability across security engineering, architecture and risk, rather than a specialist in only one security technology.

Essential Experience

Significant senior-level cyber security engineering or security architecture experience

Strong AWS and/or GCP cloud security capability

Security architecture, threat modelling and risk assessment experience

Robust knowledge across IAM, AppSec, network security and DevSecOps

Experience with CI/CD security, SAST, DAST, SCA and security automation

Understanding of Terraform/IaC, Docker and Kubernetes

Experience with modern identity platforms such as Microsoft Entra ID and/or Okta

Strong understanding of risk-based security control design

Experience working in highly regulated enterprise environments

Knowledge of APRA CPS 234, CPS 230, ISO 27001, NIST CSF, Essential Eight and the Privacy Act 1988

Strong stakeholder management and the to of ..?? - ...??

Desirable Certifications CISSP, CISM, CCSP, AWS Security Specialty or Google Professional Cloud Security Engineer certifications will be highly regarded but are not mandatory.

Contract Details

12-month contract, with potential extension

Melbourne

Hybrid

Senior / Principal-level engagement

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📌 Principal Security Engineer | Cyber Security Advisor | Contract (Melbourne)
🏢 The Missing Link
📍 Melbourne