Cybersecurity Engineer (SIEM/EDR/Cloud Native Security)

Optimum Solutions (Singapore) Pte Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Optimum Solutions (Singapore) Pte Ltd. is seeking an IT Security Officer/Cybersecurity Engineer with 4+ years of cybersecurity experience to support security operations, engineering, and defence of government systems.

You will review VAPT findings, participate in threat modelling, IAM reviews, and incident response across SIEM, EDR, and cloud platforms. Collaborate with security, engineering, and product teams to strengthen overall security posture.

Qualifications

• At least 4 years of cybersecurity experience.
• Degree in Cybersecurity, Computer Science, or related discipline.
• Strong knowledge of security architecture, threat modelling, and vulnerability management.
• Experience with CI/CD security, Kubernetes, cloud security, IAM, and Zero Trust.
• Familiarity with SIEM, EDR, cloud-native security monitoring, incident response, and threat hunting.
• Scripting in Python or Bash.
• Excellent communication and collaboration skills.
• Certifications such as OSCP, CISSP, or related will be a plus.

Responsibilities

• Perform cybersecurity operational activities including security reporting, dashboarding, compliance documentation, and security control implementation.
• Review and validate VAPT findings, support remediation planning, and track vulnerabilities.
• Participate in threat modelling and security reviews to identify requirements and controls.
• Conduct periodic IAM reviews to ensure least-privilege access.
• Support security incident response, alert triage, investigation, and escalation across SIEM, EDR, and cloud platforms.
• Assist with threat hunting and improve detection rules, incident playbooks, and response runbooks.
• Apply security controls across CI/CD pipelines, Kubernetes, cloud environments, and other platforms.
• Develop POCs and evaluate new cybersecurity tools in labs; automate processes using Python or Bash.

Job description

Our client is a public sector technology organisation looking for an IT Security Officer/Cybersecurity Engineer with 4+ years of cybersecurity experience to support the security operations, engineering, and defence of government systems.

Responsibilities

• Perform cybersecurity operational activities including security reporting, dashboarding, compliance documentation, and security control implementation.
• Review and validate VAPT findings, support remediation planning, and track security vulnerabilities.
• Participate in threat modelling and security reviews to identify requirements and appropriate controls.
• Conduct periodic IAM reviews to ensure appropriate access and least-privilege principles.
• Support security incident response, alert triage, investigation, and escalation across SIEM, EDR, and cloud security platforms.
• Assist with threat hunting and improve detection rules, incident playbooks, and response runbooks.
• Apply security controls across CI/CD pipelines, Kubernetes platforms, cloud environments, and other technology platforms.
• Perform security analysis of code and cloud environments and support remediation of identified findings.
• Develop POCs and evaluate new cybersecurity tools and technologies in lab environments.
• Automate security processes and workflows using ing tools such as Python or Bash.
• Work closely with security, engineering, product teams, and stakeholders to improve overall security posture.

Requirements

• At least 4 years of relevant cybersecurity experience.
• Degree in Cybersecurity, Computer Science, Computer/Electronics Engineering, Information Technology, or a related discipline.
• Strong foundational knowledge of security architecture, secure system design, threat modelling, and vulnerability management.
• Experience or exposure to CI/CD security, Kubernetes, cloud security, IAM, secrets management, and Zero Trust principles.
• Familiarity with SIEM, EDR, cloud-native security monitoring, incident response, and threat hunting.
• ing or automation experience with Python, Bash, or similar tools.
• Ability to work independently, troubleshoot issues, and elevate appropriately.
• Strong communication and collaboration skills, with a proactive approach to improving security processes.
• Certifications such as OSCP, CISSP, or other relevant cybersecurity certifications will be a plus.