PKI Certificate Lifecycle Management Engineer
Melbourne
Contract 6+ Months / Permanent
Our client in
Melbourne
is looking for PKI Certificate Lifecycle Management Engineerthis is a
contract 6+ months or Permanent
role.
Lead the enablement, configuration, and operation of PKI Certificate Lifecycle Management (CLM) solutions in a SaaS environment
Design, build, and configure DigiCert One, including account setup, environment creation, and tenant configuration
Implement and manage DigiCert One Trust Lifecycle Manager (TLM) for certificate issuance, renewal, and revocation
Design, implement, and maintain enterprise Public Key Infrastructure (PKI) and Certificate Lifecycle
Design, implement, and manage Hardware Security Module (HSM) solutions for secure generation, storage, backup, recovery, and protection of cryptographic keys.
Integrate DigiCert One, PKI platforms, and certificate authorities with HSM infrastructure to ensure compliance with enterprise security standards.
Configure and administer PKI platforms to ensure secure certificate issuance, renewal, revocation, and compliance
Support the ongoing operation and availability of certificate management services across the enterprise
Develop and maintain PKI policies, standards, and procedures aligned to security and compliance requirements
Work closely with application, infrastructure, and security teams to support certificate-based authentication and encryption use cases
Perform certificate lifecycle operations, including key management, certificate rotation, and expiration management
Monitor PKI systems for performance, availability, and security issues
Troubleshoot and resolve certificate-related incidents, outages, and configuration issues
Maintain technical documentation, runbooks, and operational procedures for PKI services




Ensure compliance with internal security standards and external regulatory requirements related to cryptography and certificates
Support audits, security reviews, and risk assessments relating to PKI and certificate usage
Provide technical guidance and subject-matter expertise on PKI best practices and industry standards
Required Skills & Experience
Strong expertise in Public Key Infrastructure (PKI) and Certificate Lifecycle Management (CLM) concepts and operations
Hands-on experience with DigiCert One, including Trust Lifecycle Manager (TLM)
Proven experience managing the full certificate lifecycle, including issuance, renewal, revocation, and expiration management
Solid understanding of X.509 certificates, TLS/SSL, key pairs, and cryptographic algorithms
Experience supporting enterprise-scale PKI environments across hybrid (on-prem and cloud) infrastructures
Familiarity with certificate discovery, automation, and governance frameworks
Robust troubleshooting skills for certificate-related issues impacting applications, endpoints, and infrastructure
Experience working with Windows and Linux operating systems in secure environments
Understanding of security controls, encryption standards, and compliance requirements related to PKI
Strong hands-on experience with Hardware Security Modules (HSMs) and enterprise key management solutions.
Proven experience implementing and managing HSM-backed PKI environments for Root CA, Intermediate CA, and certificate lifecycle management platforms.
Knowledge of HSM concepts including key generation, secure key storage,



key backup/recovery, partition management, and cryptographic operations.
Experience integrating PKI platforms such as DigiCert One, Microsoft ADCS, Entrust, or similar solutions with HSM technologies.
Understanding of cryptographic standards, key protection requirements, and compliance frameworks governing HSM usage.
Experience supporting operational and troubleshooting activities related to enterprise HSM infrastructure.
Education & Certifications
Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field (or equivalent practical experience)
DigiCert Certified Professional (or equivalent PKI certification)
Microsoft, AWS, or Azure security certifications with PKI focus
CompTIA Security+ or equivalent cybersecurity certification
CISSP, CISM, or CCSP is a plus
Preferred Skills
Experience with certificate automation tools, APIs, and scripting (e.g., PowerShell, Python, REST APIs)
Knowledge of cryptographic standards and regulations (e.g., NIST, ISO, CIS benchmarks)
Experience supporting certificate-based authentication for applications, devices, and services
Exposure to vulnerability management, encryption compliance, or zero‐trust initiatives
Ability to work effectively with application, infrastructure, and security teams in large enterprises
Experience with enterprise HSM platforms such as Thales Luna HSM, Entrust nShield, Utimaco, AWS CloudHSM, Azure Managed HSM, or similar technologies.
Experience conducting CA key ceremonies, secure key migration, and PKI disaster recovery activities involving HSM‐protected keys.
Familiarity with FIPS *********** validated cryptographic modules and regulatory requirements for key protection.
Only shortlisted candidates will be contacted for this role.
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📌 Pki Certificate Lifecycle Management Engineer (Melbourne)
🏢 ITbility
📍 Melbourne