SSPKI Certificate Lifecycle Management Engineer

Role Summary The PKI Certificate Lifecycle Management (CLM) Engineer / Architect is responsible for the design, implementation, enablement, and ongoing operation of enterprise PKI and certificate lifecycle management solutions. This role will support a longterm, multiphase PKI improvement initiative, focused on implementing and operationalising DigiCert One

(SaaS) to improve certificate governance, automation, and compliance across the organisation.

The role will work closely with security, infrastructure, and application teams throughout phases of the program, while also providing BAU and operational support once the platform is live.

Key Responsibilities

 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, setting 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.

 Manage HSM lifecycle activities, including provisioning, clustering, firmware updates,

key ceremonies, backup, escrow, and disaster recovery.

 Ensure cryptographic keys used for certificate authorities, code signing, mutual TLS,

and other security services are protected using industry best practices.

 Troubleshoot and resolve HSM-related incidents, performance issues, and integration challenges.

Management (CLM) solutions

- 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

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- Work closely with application, infrastructure,



and security teams to support certificatebased 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 certificaterelated 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 subjectmatter 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

 Handson 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 enterprisescale PKI environments across hybrid (onprem and cloud) infrastructures

 Familiarity with certificate discovery, automation, and governance frameworks

 Strong troubleshooting skills for certificaterelated 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.

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 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)
- Preferred certifications:

 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 certificatebased authentication for applications, devices, and services

 Exposure to vulnerability management, encryption compliance, or zerotrust 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 140-2/140-3 validated cryptographic modules and regulatory requirements for key protection.

What We Offer

- Competitive salary and comprehensive benefits package
- Longterm engagement on a strategic enterprise security initiative
- Opportunities for professional development, training, and certification sponsorship

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- Exposure to enterprisescale PKI and security transformation programs
- A collaborative and flexible work environment focused on innovation and security

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