Operation Analyst (Banking, 1-year renewable contract)

Evolution Recruitment Solutions Pte Ltd; Singapore; On-site; SGD 42,000 - 68,000; Full time

Job summary

Evolution Recruitment Solutions Pte Ltd is seeking a Security Administration professional to support cryptographic keys, certificates and encryption infrastructure. You will handle SSL/TLS lifecycle tasks, manage HSMs, and ensure proper documentation and records across Linux, AIX and Windows environments.

Visa sponsorship is not available at this time; a Diploma in CS/IT/Cybersecurity and 1–2 years of relevant experience are required.

Qualifications

• Diploma in Computer Science, IT, Cybersecurity or related field.
• 1-2 years in cybersecurity, cryptography, certificate management, security operations or related field.
• Experience with data encryption and key management practices.

Responsibilities

• Support administration and maintenance of cryptographic keys, certificates and security infra.
• Manage SSL/TLS certificate lifecycle: CSR, issuance, renewal, deployment, revocation.
• Assist with encryption technologies and key management processes.
• Support HSMs, key management systems and data protection solutions.
• Apply encryption methodologies and security controls to protect data and systems.
• Maintain records and documentation for certificates, keys and configurations.
• Provide after-hours support for security admin activities when required.
• Collaborate with internal teams, vendors and external parties to resolve issues.

Skills

Data encryption

TLS/SSH

SSL/TLS certificate lifecycle

HSM exposure

Security incident awareness

Analytical thinking

Documentation

Education

Diploma in Computer Science/Information Technology/Cybersecurity

Tools

Splunk

Red Hat Linux

Job description

Dear Applicant,

Please note that visa sponsorship is not available at this time.

Key Responsibilities

• Support the administration and maintenance of cryptographic keys, digital certificates, and related security infrastructure in accordance with established security standards and procedures.


• Administer and support the end-to-end SSL/TLS certificate lifecycle, including CSR generation, certificate issuance, renewal, deployment, and revocation.


• Support the issuance, renewal, deployment, and revocation of digital certificates across supported platforms and environments.


• Assist with the management and maintenance of encryption technologies, cryptographic solutions, and key management processes.


• Support Hardware Security Modules (HSMs), key management systems, and enterprise data protection solutions.


• Apply appropriate encryption methodologies and security controls to protect sensitive data and systems.


• Support certificate and cryptographic key-related activities, ensuring accurate records, documentation, and compliance with established procedures.


• Monitor and maintain security-related configurations across Linux, AIX, and Windows environments.


• Work with internal stakeholders, vendors, and external parties to resolve certificate, encryption, and key management issues.


• Maintain proper documentation and records for certificates, keys, security configurations, and related administrative activities.


• Provide support for security administration activities outside normal working hours when required, including weekends and scheduled late-night maintenance windows.

Key Requirements

• Diploma in Computer Science, Information Technology, Cybersecurity, or a related discipline.


• 1-2 years of relevant experience in cybersecurity, cryptography, certificate management, security operations, or a related field.


• Experience in data encryption, cryptographic technologies, and key management practices.


• Good understanding of encryption methodologies, security controls, and industry best practices for data protection.


• Knowledge of cryptographic principles, digital certificates, and security protocols such as TLS and SSH.


• Experience with SSL/TLS certificate lifecycle management, including CSR generation, certificate issuance, renewal, deployment, and revocation.


• Exposure to Hardware Security Modules (HSMs), key management systems, or enterprise data protection solutions is preferred.


• Experience working with Red Hat Linux, AIX, and/or Windows operating systems.


• Exposure to Splunk or other security monitoring/logging platforms is an advantage.


• Strong analytical, problem-solving, and organizational skills with a process-oriented approach and strong attention to detail.


• Effective written and verbal communication skills, with the ability to explain technical information clearly and professionally.


• Strong teamwork and stakeholder management skills, with the ability to work effectively with internal teams, vendors, and external parties.


• Good administrative, record-keeping, and technical documentation skills.


• Experience in the financial services or banking industry is preferred.


• Willingness to support security administration activities outside normal working hours, including weekends and scheduled maintenance windows.