IT Security Officer

PCCW SOLUTIONS INSYS PTE. LTD.; Singapore; On-site; SGD 100,000 - 150,000; Full time

Job summary

PCCW Solutions Insys PTE. LTD. seeks an experienced security operations professional to lead incident response, vulnerability management, and governance across our cloud and on-prem environments.

You will collaborate with IT teams to implement controls, assess risks, and report on security metrics. A CISSP/CISM/CISA or cloud security certification is preferred. Role focuses on proactive threat intel, tabletop exercises, and ensuring secure configurations across networks and endpoints, with

Qualifications

• Bachelor’s degree in computer science, Information Technology, Cybersecurity, or related discipline.
• Minimum 5 years of experience in Security Operations.
• Hands-on with security tools (SIEM, WAF, AV, EDR, PAM, DAM) and vulnerability management.
• Good understanding of secure network design, endpoint security, and system hardening.
• Familiarity with ICT security compliance frameworks and risk management.

Responsibilities

• Track, manage, and elevate cybersecurity incidents and critical security threat events as required.
• Conduct information security awareness trainings to cultivate a security-conscious culture among staff.
• Stay current with emerging threats, vulnerabilities, and threat intelligence related to cloud platforms.
• Disseminate security advisories, threat intelligence reports, security directives, and patch recommendations promptly to stakeholders.
• Partake in tabletop exercises, security risk management activities, audits and third-party assessments.
• Perform Vulnerability Assessments on applications and devices; analyze results and track remediation.
• Monitor security events on SIEM; perform event triage and analysis.
• Monitor secure configuration across network, systems and endpoints; audit for CIS hardening.
• Document security policies, SOPs, and prepare regular security performance reports.

Skills

SIEM

Incident Response

Threat Intelligence

Endpoint Security

Cloud Security

Vulnerability Mgmt

IaC Security

CI/CD Security

Policy & Compliance

Communication

Education

Bachelor’s degree in computer science / IT / Cybersecurity

Tools

WAF

AV

EDR

PAM

DAM

Job description

Responsibilities:

Incident Response & Security Monitoring

• Track, manage, and elevate cybersecurity incidents and critical security threat events as required.
• Conduct information security awareness trainings to cultivate a security-conscious culture among staff.
• Stay current with emerging threats, vulnerabilities, and threat intelligence related to cloud platforms.
• Disseminate security advisories, threat intelligence reports, security directives, and patch recommendations promptly to the relevant stakeholders in the agencies.
• Partake in tabletop exercises, security risk management activities, audits and third-party assessments to enhance incident response readiness.

Security Product Management

• Perform Vulnerability Assessments (Tenable Nessus) on applications (e.g. web client/server, mobile apps), networking and computing devices (e.g. firmware, Operating System).
• Analyse vulnerability scan results, recommend remediation actions, and track resolution status.
• Monitor security events on SIEM (e.g. Splunk, Cortex, Exa beam), perform event triage and analysis.
• Perform onboarding and vulnerability scanning of computing devices before connecting to the corporate network to ensure compliance with cyber hygiene standards.

Security Governance & Compliance

• Conduct periodic security reviews to ensure adherence to IT Security Policies, Standards, Controls and industry best practices.
• Recommend and implement security initiatives and enhancement based on findings from tabletop exercises (TTX) and audits.
• Monitor and ensure compliance with secure configuration standards across network, systems and endpoint (i.e. CIS Hardening) at agencies.
• Analyse Vulnerability Assessment (VA) scan results, track and report remediation status according to the stipulated timeframe.

Network, Systems and Endpoint Security

• Manage, configure, and optimize security tools and platforms to ensure effective integration with network and IT infrastructure.
• Manage network, system, endpoint and runtime security of on-premises and cloud environments.
• Perform regular reviews of accounts for both on-premises and on cloud systems/applications.

Documentation and Reporting

• Implement and update security policies, technical baselines, Standard Operating Procedures (SOPs).
• Maintain documentation of security incidents, vulnerability assessments, security checklist, security controls and policies.
• Prepare and deliver regular reports to update security performance metrics, incident trends, compliance status and risk mitigation efforts.
• Ensure timely escalation and reporting of cybersecurity incidents to management and stakeholders.

Collaboration and Stakeholder Management

• Collaborate with various IT teams (e.g. Infrastructure, Applications, Project) and external vendors to implement and maintain security controls and measures.
• Provide security advisory and recommendations to support projects and system implementations.
• Act as the key liaison with stakeholders (e.g. SIRO/SIRM, IT, Application Teams) and cloud service providers to align security-by-design principles, cybersecurity strategies and compliance requirements.

Requirements:

Education & Experience

• Bachelor’s degree in computer science, Information Technology, Cybersecurity, or a related discipline.
• Minimum 5 years of experience in Security Operations.

Technical Skills

• Hands-on experience with security tools (e.g. SIEM, WAF, AV, EDR, PAM, DAM).
• Deep understanding of vulnerability management, threat analysis, and incident response (IR) processes.
• Good understanding of secure network design, endpoint security, and system hardening techniques.
• Familiarity with ICT security compliance frameworks, cybersecurity standards, and risk management practices.
• Familiar with IaC security (e.g. Terraform, CloudFormation) and CI/CD security.

Certifications

• Professional certifications such as CISSP or CISM or CISA is required.
• Cloud certifications such as CCSP, AWS Certified Security, Azure Security Engineer Associate or equivalent would be advantageous.

Other Skills

• Strong analytical and problem-solving skills with attention to detail.
• Effective communication skills, both written and verbal, with the ability to clearly articulate security risks and recommendations.
• Ability to work independently with minimal supervision and collaboratively within a team in a dynamic and fast-paced environment.
• Proactive mindset with a continuous improvement attitude towards cybersecurity operations.