IT Security Engineer

ASCENDION ENGINEERING SOLUTIONS SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

ASCENDION ENGINEERING SOLUTIONS SINGAPORE PTE. LTD. seeks an IT Security Engineer to implement, operate, and support security controls for mission-critical systems in a secured environment.

You will collaborate with Security Leads, Infra, System, and Software teams to ensure adherence to government security policies and standards, covering both Day 1 project implementation and Day 2 production security activities.

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). Singaporean profiles only.

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 compliance with IM8 / Government security policies / PDPA where applicable.
• Assist in Security Risk Assessments (SRA), Vulnerability Assessments (VA) and Penetration Testing (PT).
• Maintain security documentation and evidence for audits.
• Implement and maintain security tools in CI/CD pipelines (SAST, DAST, SCA, container scanning).
• Monitor and triage findings; remediation with developers; support secure coding practices and DevSecOps adoption.
• Assist in API security, secrets management, and secure communications setup.
• Support coordination of VA/PT activities and incident response playbooks.
• Manage system and platform hardening for OS, middleware, databases, Kubernetes and containers.

Skills

Kubernetes security

Docker security

IAM access control

CI/CD security

DevSecOps

SIEM

Vulnerability scanning

Application security

Network security

Cloud security

Education

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

Tools

Kubernetes

Docker

SAST

DAST

SIEM

Job description

The IT Security Engineer will be responsible for implementing, operating, and supporting security controls for mission-critical systems within a secured environment.

This role covers both:

• Day 1 Security (Build / Project Implementation)
• Day 2 Security (Operations / Production Support)
• The Security Engineer will work closely with Security Leads, Infra, System, and Software teams to ensure compliance with government security policies and standards.

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) *Only Singaporean profiles will be considered for this role*
• 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

Key Competencies

Strong technical troubleshooting and problem‑solving skills

Ability to follow security standards and implement controls effectively

Good communication skills with technical and non‑technical teams

Detail‑oriented with strong documentation skills

Collaborative team player with willingness to learn