Cyber Security Engineer(Data Encryption/Cryptography)-Contract

Visa Hunt; Singapore; On-site; SGD 48,000 - 75,000; Full time

Job summary

Visa Hunt is seeking a Security Administrator to manage encryption, key management, and certificate lifecycles. You will oversee SSL/TLS activities, issue and renew certificates, and maintain cryptographic keys to safeguard enterprise data.

The ideal candidate holds a Diploma in Computer Science or related field with 1–2 years of experience in a finance setting, and demonstrates strong analytical, communication, and teamwork skills, with willingness for after-hours maintenance.

Qualifications

• Diploma in Computer Science or related field.
• 1–2 years’ relevant experience, preferably in a Finance Institution.
• Strong analytical, problem-solving, and organizational skills.
• Excellent written and verbal communication.
• Team player with stakeholder management abilities.
• Willingness to work outside normal hours, including weekends.
• Knowledge of cryptography, TLS, and SSH.

Responsibilities

• Administer and support the SSL/TLS certificate lifecycle (CSR, issuance, renewal, deployment, revocation).
• Issue, renew, and revoke digital certificates for multiple platforms.
• Maintain cryptographic keys and related security infrastructure.
• Provide security administration support including after-hours maintenance.
• Collaborate with vendors and stakeholders to ensure data protection controls.

Skills

Data encryption

Cryptography

Key management

TLS/SSH knowledge

Security controls

Documentation

Analytical skills

Communication

Teamwork

Stakeholder management

Education

Diploma in Computer Science or related field

Tools

Hardware Security Modules (HSMs)

Certificate lifecycle management

Job description

• Experience in data encryption, cryptographic technologies, and key management practices.
• Good understanding of encryption methodologies, security controls, and industry best practices for data protection.
• Experience with Hardware Security Modules (HSMs), key management systems, and enterprise data protection solutions is preferred.
• Knowledge of cryptographic principles, digital certificates, and security protocols such as TLS and SSH.
• Administer and support the SSL/TLS certificate lifecycle, including CSR generation, certificate issuance, renewal, deployment, and revocation activities.
• Support the issuance, renewal, and revocation of digital certificates for supported platforms.
• Maintain and support cryptographic keys,certificates, and related security infrastructure in accordance with stablished security standards and procedures.

Education:

• Diploma in Computer Science or related field.
• At least 1-2 years’ relevant experience preferably in a Finance Institution.

Essential:

• Strong analytical, problem-solving, and organizational skills, with a process-oriented approach and attention to detail.
• Effective communication skills, both written and verbal, including the ability to convey technical information clearly, concisely, and professionally.
• Strong teamwork and stakeholder management capabilities, with the ability to build and maintain effective working relationships across all levels of the organization, vendors, and external parties.
• Relevant administrative and industry knowledge, including record-keeping and documentation practices.
• Willingness to support security administration activities outside normal working hours, including weekends and late-night maintenance windows.