About the Role
We are seeking an experienced Senior PKI & HSM Architect to join our Cyber Security team and lead the implementation, administration, and operational management of enterprise Public Key Infrastructure (PKI) environments.
The ideal candidate will possess robust expertise in Keyfactor EJBCA Enterprise, Keyfactor Command (Certificate Lifecycle Management), Thales Luna HSM, and Utimaco CryptoServer HSM, with hands-on experience delivering highly available, secure, and compliant PKI solutions for enterprise, government, banking, telecom, or critical infrastructure environments.
This role involves designing, implementing, maintaining, and supporting mission-critical PKI environments while ensuring compliance with global security standards and industry best practices.
Key Responsibilities
Public Key Infrastructure (PKI)
- Design, implement, configure, and maintain enterprise PKI environments using Keyfactor EJBCA Enterprise.
- Deploy and administer Root CA, Issuing CA, Registration Authority (RA), Validation Authority (VA), OCSP Responders, and CRL Distribution services.




- Configure Certificate Profiles, End Entity Profiles, Approval Profiles, Publishers, Authentication Modules, and Role-Based Access Control (RBAC).
- Manage the complete certificate lifecycle, including issuance, renewal, suspension, revocation, archival, and expiration management.
- Configure and maintain High Availability (HA) and Disaster Recovery (DR) PKI environments.
- Perform PKI upgrades, migrations, patch management, backup, restoration, and performance optimization.

Certificate Lifecycle Management (CLM)
- Install, configure, and administer Keyfactor Command.
- Implement certificate discovery, enrollment, renewal, revocation, automation, and lifecycle management.
- Configure certificate management protocols, including ACME, SCEP, EST, CMP, and REST APIs.
- Integrate certificate lifecycle management with enterprise applications, Active Directory, cloud platforms, DevOps pipelines,

📌 Senior PKI (Chennai)
🏢 GRM Technologies
📍 Chennai