IT Security Officer

TESCOM (SINGAPORE) SOFTWARE SYSTEMS TESTING PTE LTD.; Singapore; On-site; SGD 72,000 - 120,000; Full time

Job summary

TESCOM (SINGAPORE) SOFTWARE SYSTEMS TESTING PTE LTD. is seeking an experienced security professional to lead day-to-day security engineering, compliance support, and secure DevSecOps practices in Singapore.

The role covers implementing security controls, threat modelling, and incident response across projects and production environments. The candidate should have a degree in CS/Cybersecurity/Information Security and 3–7 years in cybersecurity, plus hands-on experience with Kubernetes, Docker,

Qualifications

• Degree in Computer Science / Cybersecurity / Information Security or equivalent.
• 3–7 years of IT experience in cybersecurity or infrastructure security.
• Experience supporting security in projects or production environments.
• Familiarity with Singapore Government security policies (IM8 preferred).

Responsibilities

• Implement security architecture and controls as designed by Security Leads/Architects.
• Support system, application, and infrastructure security configurations.
• Assist in threat modelling and risk assessment activities.
• Translate security requirements into technical implementation across platforms.
• Support assurance activities (SRA, VA, PT) and maintain audit-ready documentation.
• Implement and maintain security tools in CI/CD pipelines (SAST, DAST, SCA, container scanning).
• Monitor and triage findings with developers for remediation.
• Assist in API security, secrets management, and secure communications setup.
• Incident response support, vulnerability tracking and remediation tracking.
• RBAC, MFA, PAM and least-privilege access reviews.

Skills

Security engineering

Threat modelling

Incident response

Vulnerability management

Security governance

Education

Bachelor's degree in Computer Science / Cybersecurity / Information Security

Tools

Kubernetes security

Docker security

SAST

DAST

SIEM

Vulnerability scanners

IAM / RBAC / PAM

CI/CD security tooling

Job description

Key Responsibilities

Day 1 – Project / Implementation Security

1. Security Implementation & Engineering

• Implement security architecture and controls as designed by Security Leads/Architects
• Support system, application, and infrastructure security configurations
• Assist in threat modelling and risk assessment activities
• Translate security requirements into technical implementation across platforms

2. Compliance Support

• Support compliance with:
• IM8 / Government security policies
• Whole‑of‑Government (WOG) security requirements
• PDPA (where applicable)
• Assist in preparation and documentation for:
• Security Risk Assessments (SRA)
• Vulnerability Assessments (VA)
• Penetration Testing (PT)
• Maintain security documentation and evidence for audits

3. DevSecOps & Secure Development

• Implement and maintain security tools in CI/CD pipelines:
• SAST, DAST, SCA, container scanning
• Monitor and triage findings, and work with developers on remediation
• Support secure coding practices and DevSecOps adoption
• Assist in API security, secrets management, and secure communications setup

4. Security Testing Support

• Support coordination and execution of VA/PT activities
• Track vulnerabilities and ensure timely remediation
• Assist in documenting findings and closure evidence
• Support system security certification and go‑live requirements

5. System & Platform Hardening

• Implement and maintain security hardening for:
• Operating systems
• Middleware and databases
• Kubernetes and containers (RBAC, secrets, network policies)

Support configuration of:

• API Gateways
• WAF
• Authentication and authorization mechanisms (OAuth2, mTLS)

Day 2 – Operations / Production Security

1. Incident Response

• Support investigation, containment, and remediation of security incidents
• Perform log analysis and assist in root cause analysis (RCA)
• Work with SOC and internal teams during incidents
• Follow and improve incident response playbooks

2. Vulnerability & Patch Management

• Perform regular vulnerability scans and monitoring
• Track and verify patching and remediation activities
• Escalate high‑risk vulnerabilities and propose mitigation controls

3. Security Monitoring

• Monitor alerts from SIEM and security tools
• Assist in tuning detection rules and dashboards
• Ensure logging and monitoring coverage across systems

4. Audit & Compliance Support

• Support audit preparation, evidence collection, and remediation tracking
• Maintain security records and documentation
• Assist in reporting security posture and issues

5. Access Control Administration

Support implementation of:

• RBAC
• MFA
• Privileged Access Management (PAM)
• Perform user access reviews and ensure least privilege

Required Qualifications & Experience

• Degree in Computer Science / Cybersecurity / Information Security or equivalent
• 3–7 years of IT experience in cybersecurity or infrastructure security
• Experience supporting security in projects or production environments
• Familiarity with Singapore Government security policies (IM8 preferred)

Hands‑on experience with:

• Kubernetes / Docker security
• IAM and access control
• Security tools (SAST, DAST, SIEM, vulnerability scanners)
• CI/CD and DevSecOps practices
• Basic knowledge of network security, application security, and cloud security

Preferred Certifications

• CEH, CompTIA Security+, or equivalent
• Other certifications (e.g., CISSP Associate, GIAC, AWS/Azure Security) are advantageous