Full Time PKI (Public Key Infrastructure) Specialist (Contract) Jobs, Salary up to SGD 10,000 in TANGSPAC CONSULTING PTE LTD Islandwide (Singapore) - Maukerja

Key Responsibilities

• Administer end-to-end certificate lifecycle management, including issuance, renewal, revocation, replacement, and expiration tracking.

• Provide on-site hands-and-eyes support for remote technical teams accessing IT infrastructure devices
• Execute hosting provisioning (VMs, database, storage, backup) for IT and OT applications, following internal change management process
• Deploy and support SSL/TLS certificates across servers, middleware, databases, web applications, APIs, and network devices
• Implement certificate discovery, inventory management, and compliance reporting capabilities.
• Manage cryptographic keys and Hardware Security Modules (HSMs) in accordance with security standards.
• Develop and maintain automation scripts, APIs, and workflows for certificate provisioning and renewal.
• Support PKI integrations with enterprise tools such as monitoring, ITSM, vulnerability management, and secrets management platforms
• Troubleshoot certificate, authentication, encryption, and trust-chain related issues.
• Maintain PKI operational procedures, standards, and audit documentation.
• Collaborate with application, infrastructure, cybersecurity, and vendor teams on PKI projects and certificate deployments.
• Support modernization initiatives including TLS 1.3 adoption, certificate governance, and Post-Quantum Cryptography (PQC) readiness.

Required Skills

• 5+ years in IT infrastructure project coordination or delivery, ideally including at least one new-site or facility build-out
• Hands-on troubleshooting & configuring experience with network, server hosting, storage/backup, and cloud (AWS)
• Manage and maintain enterprise PKI infrastructure, including Certificate Authorities (CA), Registration Authorities (RA), and certificate management platforms.
• Strong understanding of Public Key Infrastructure (PKI), X.509 Certificates, Certificate Authorities (CA), Certificate Revocation Lists (CRL), TLS/SSL, and Online Certificate Status Protocol (OCSP)
• Experience with Microsoft ADCS, DigiCert, Entrust, Keyfactor, Venafi, AppViewX, or similar PKI platforms.
• Knowledge of cryptographic technologies including RSA, ECC, AES-256, SHA-2/SHA-3, and TLS 1.2/1.3.
• Hands-on experience with Windows and Linux platforms.
• Scripting experience using PowerShell, Python, or Shell scripting.
• Understanding HSMs, RBAC, audit controls, and security compliance requirements.
• Experience in integrating PKI solutions with enterprise applications and middleware and database platforms.
• 10+ years of PKI, Cybersecurity, or Infrastructure Security experience.
• Certifications such as CISSP, CISM, Security+, or PKI-related certifications would be advantages
• Experience with certificate lifecycle management (CLM) platforms and automation solutions.