System Security Application Engineer

TEKsystems; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

TEKsystems in Singapore seeks an Application Engineer to implement and manage Enterprise Certificate Lifecycle Management (CLM) and EKMS platforms.

You will partner with Security Architects, vendors, and application teams to deliver secure certificate and cryptographic key management across enterprise environments. This role supports PQC initiatives and modernization efforts.

Qualifications

• Degree in computer science, IT, cyber security, or a related field.
• 5+ years IT experience with PKI or enterprise key management.
• Strong understanding of cryptography, X.509, TLS/mTLS and key mgmt.
• Experience with CLM solutions such as CyberArk, Venafi, Keyfactor, Entrust.
• Experience with HSMs and cloud key management platforms.
• Scripting skills in Python, PowerShell, or Bash.

Responsibilities

• Implement and support Certificate Lifecycle Management (CLM) and EKMS.
• Collaborate with security architects, vendors, and apps teams.
• Manage certificate issuance, renewal, revocation, discovery, and key lifecycle.
• Monitor PKI, cryptographic keys, and Hardware Security Modules (HSMs).
• Drive automation and operational excellence in crypto services.
• Support PQC readiness and cryptographic modernization efforts.

Skills

PKI

Certificate management

Key management

Cryptography

TLS/mTLS

Scripting automation

Education

Bachelor's in CS/IT/Cyber Security

Tools

CyberArk

Venafi

Keyfactor

Entrust

Entrust nShield

Thales CipherTrust

AWS KMS

CloudHSM

Job description

• Implement and support Certificate Lifecycle Management (CLM) and Enterprise Key Management System (EKMS) solutions.
• Partner with security architects, vendors, and application teams to design and operationalize certificate and key management proce
• Manage certificate issuance, renewal, revocation, discovery, and key lifecycle operations.

• Implement and support Certificate Lifecycle Management (CLM) and Enterprise Key Management System (EKMS) solutions.
• Partner with security architects, vendors, and application teams to design and operationalize certificate and key management proce
• Manage certificate issuance, renewal, revocation, discovery, and key lifecycle operations.

We are seeking an experienced Application Engineer to support the implementation and management of Enterprise Certificate Lifecycle Management (CLM) and Enterprise Key Management System (EKMS) platforms.

You will work closely with Security Architects, application teams, and vendors to deliver secure certificate and cryptographic key management solutions across enterprise environments. This role will also support the organization's Post-Quantum Cryptography (PQC) initiatives and cryptographic modernization efforts.

Key Responsibilities

• Implement and support Certificate Lifecycle Management (CLM) and Enterprise Key Management System (EKMS) solutions.
• Partner with security architects, vendors, and application teams to design and operationalize certificate and key management processes.
• Manage certificate issuance, renewal, revocation, discovery, and key lifecycle operations.
• Monitor and resolve issues related to PKI, cryptographic keys, and Hardware Security Modules (HSMs).
• Drive process improvements, automation, and operational excellence.
• Support cryptographic asset discovery and PQC readiness initiatives.

Requirements

• Degree in Computer Science, Information Technology, Cyber Security, or a related field.
• Minimum 5 years of IT experience, including hands-on experience in PKI, Certificate Lifecycle Management, or Enterprise Key Management.
• Strong understanding of cryptography, PKI, X.509 certificates, TLS/mTLS, and key management concepts.
• Experience with CLM solutions such as CyberArk/Venafi, Keyfactor, or Entrust.
• Experience with HSMs and key management platforms such as Entrust nShield, Thales CipherTrust, AWS KMS, or CloudHSM.
• Experience with scripting and automation using Python, PowerShell, or Bash.
• Strong analytical, troubleshooting, and stakeholder management skills.

Preferred

• Experience within banking or financial services environments.
• Exposure to Post-Quantum Cryptography (PQC) initiatives.
• Familiarity with AWS cloud security and cryptographic services.

We regret to inform that only shortlisted candidates will be notified.

EA Registration No: JEWEL TEN JING HUI , R26159738

Allegis Group Singapore Pte Ltd, Company Reg No. 200909448N, EA License No. 10C4544