IT Security Officer
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
Company profile
Tescom
Global IT Provider to both Private and Public Customers.
Our Mission is to help our clients achieve their business objectives, powered by efficient and accountable IT systems and become the supplier and employer of choice in this arena.
Company information
Report this job advert
- Role descriptions
- Salary insights
- Tools to help you prepare for jobs