Operation Analyst (Data Encryption, Splunk)

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 43,000 - 70,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. in Singapore is seeking a Security Administration professional responsible for managing encryption, key management, and certificate lifecycles across platforms.

You will work with HSMs, TLS/SSH protocols, and security controls, supporting weekend and late-night maintenance windows to ensure continuous protection of critical assets and data integrity. This role requires collaboration with cross-functional teams and external partners.

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 with a process-oriented approach.
• Effective written and verbal communication, including clear technical explanations.
• Strong teamwork and stakeholder management across all levels.
• Willingness to support security administration outside normal hours.

Responsibilities

• 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 established security standards and procedures.

Skills

Analytical thinking

Problem solving

Communication skills

Teamwork

Stakeholder management

Attention to detail

Documentation

Education

Diploma in Computer Science or related field

Tools

Red Hat Linux

AIX

Windows OS

Splunk

Job description

Key Responsibilities

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 established security standards and procedures.

Key Requirements

Diploma in Computer Science or related field.

At least 1-2 years' relevant experience preferably in a Finance Institution.

Strong analytical, problem-solving, and organizational skills, with a process-oriented approach and attention todetail.

Effective communication skills, both written and verbal, including the ability to convey technical information clearly,concise, 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.

Skills

• Red Hat Linux, AIX
• Windows OS
• Splunk

Rajkumar Renganathan

Quess Selection& Services, Singapore

EA Licence Number: 23C2060 Registration ID is R1983662