Security PKI Expert - Contract - Melbourne
Core
Manage and support enterprise PKI infrastructure, handling the complete certificate lifecycle from issuance to revocation.
Role type
Security PKI Expert (Contract)
Builds
Secure certificate environments for enterprise applications, IAM, and cloud systems
Domain
Cyber Security / PKI / Cryptography
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
PKI architecture, X.509 certificates, Certificate Lifecycle Management (CLM), Microsoft ADCS, Root/Subordinate CA management, CRL/OCSP, SSL/TLS, HSM key management, CLM tools (Venafi/AppViewX/Keyfactor), scripting (PowerShell/Python/Bash), incident troubleshooting
Preferred skills
HSM experience, Venafi/AppViewX/Keyfactor experience
Technologies
Microsoft ADCS, Venafi, AppViewX, Keyfactor, PowerShell, Python, Bash
Responsibilities
Manage and support enterprise PKI infrastructure; Manage the complete certificate lifecycle including issuance, renewal, deployment and revocation; Support Root CA and Subordinate CA environments; Manage and troubleshoot X.509 certificates, SSL/TLS and certificate chains; Work with HSM for secure key management; Manage certificate lifecycle using CLM tools; Troubleshoot certificate and PKI-related incidents; Support PKI integration with applications, IAM, cloud and enterprise systems; Monitor certificate expiry and ensure timely renewal; Create and maintain technical documentation, SOPs and operational procedures; Provide L2/L3 support and perform root-cause analysis; Automate PKI activities using scripting
Seniority
Mid-Senior, hands-on IC