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 setting 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
Strong 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 *****, NIST CSF, Essential Eight and the Privacy Act ****
Strong stakeholder management and the to of .
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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