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Open nowPosted 6 days ago

PKI (Public Key Infrastructure) Specialist (Contract)

MyCareersFuture94,028 open roles

Pay
SGD 10,000 – SGD 13,000 a Monthly
Where
Singapore
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Your applicationOpen nowPKI (Public Key Infrastructure) Specialist (Contract)MyCareersFuture · Singapore

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The clock on this job

Early applications get read.

7.7% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 1.6%1 day
  2. 3.3%3 days
  3. 7.7%7 days
  4. 14.0%14 days
  5. 33.7%30 days
This job: posted 6 days ago

The posting

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.
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