IT Security Specialist (Cloud)

Public Service Division; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Public Service Division seeks a Cloud Security Specialist to design, implement, and maintain secure cloud environments. You will work with cross-functional teams to enforce security policies, manage cloud architectures, and support audits and incident response. Strong IaC experience and scripting skills are essential.

The role emphasizes continuous improvement of security controls across AWS, Azure, and Google Cloud platforms, with a focus on automation, monitoring, and regulatory alignment.

Qualifications

• 2+ years in designing, implementing, and managing cloud security solutions.
• Understanding of cloud security principles including network security and access controls.
• Experience implementing IaC security practices with Terraform or CloudFormation.

Responsibilities

• Lead strategy for cloud security management to align with regulations and best practices.
• Design and implement cloud infrastructure with secure, auditable configurations.
• Maintain IaC with Terraform/CloudFormation and enforce new security policies.
• Develop automation tools for provisioning, config management, and incident response.
• Support audits by maintaining evidence and producing compliance reports.
• Monitor security incidents and drive remediation actions.

Skills

Cloud security knowledge

IAM and encryption

Security monitoring

Scripting skills

Education

CCSP/CISSP/AWS Security Specialty

Tools

Terraform

CloudFormation

Ansible

Git

GitLab

Jenkins

SAST/DAST/SCA

Docker

Kubernetes

Job description

[What the role is]

We are seeking a highly skilled and motivated Cloud Security Specialist to join our dynamic team and play a pivotal role in ensuring the security, integrity, and compliance of our cloud-based systems and applications. As a Cloud Security Specialist, you will work collaboratively with cross-functional teams to design, implement, and maintain robust security measures that protect our organisation’s assets and data in cloud environments.

[What you will be working on]

• Strategic Cloud Security Management:

• Review, update, and enforce cloud security policies and architecture designsto align with current threat landscape, regulatory requirements, and industry best practices.

• Identify current security gaps present in the cloud environments. Conduct studies on appropriate mitigation measures and/or evaluation of third‑party solutions to propose for implementation.

• Cloud Security Operations & Response:

• Design and implement cloud infrastructure to support new implementations.

• Maintain Infrastructure-as-Code solutions using tools such as Terraform or CloudFormation. Perform configuration changes to comply to new policies introduced.

• Build and maintain automation scripts and tools to streamline security processes such as provisioning, configuration management, and incident response.

• Support audit and compliance activities by maintaining evidence of security controls, conducting security assessments, and preparing detailed compliance reports.

• Monitor and respond to security incidents, assist with investigations, and implement remediation measures.

• Perform patching promptly according to remediation timelines.

• Perform regular monitoring and communicate with stakeholders to remediate or mitigate cloud related findings from dashboards and alerts.

• Analyse security metrics and trends to create reports for management reporting.

[What we are looking for]

• Have experience (2+ years) in designing, implementing, and managing security solutions in cloud environments (AWS, Azure, Google Cloud, etc.).

• Understand cloud security principles, including network security, encryption, identity and access management, and security monitoring.

• Have implemented security best practices within Infrastructure-as-Code frameworks (e.g. Terraform, CloudFormation, Ansible) to ensure secure infrastructure provisioning and configuration management.

Good to Have:

• Relevant professional certifications such as Certified Cloud Security Professional (CCSP), Certified Information Systems Security Professional (CISSP), AWS Certified Security – Specialty, or equivalent.

• Proficiency in scripting or programming languages (e.g., Python, PowerShell) for security automation and orchestration.

• Experience in using containerisation technologies, such as Docker, Kubernetes, AWS ECS, and knowledge in securing containers.

• Proficiency in implementing DevSecOps and CI/CD pipelines, with experience in relevant CI technologies such as Git, Gitlab, and Jenkins. Hands‑on experience with security testing tools (e.g., SAST, DAST, SCA) and vulnerability management.