Cloud and Infrastructure Engineer

Security Criteria : Eligible for Singapore Government Security Clearance - Cat 2A

About the Role

We are seeking a highly skilled Cloud and Infrastructure Engineer to design, implement, and manage secure, scalable cloud and infrastructure solutions for a mission-critical Singapore government defense project . The ideal candidate will have in-depth experience with AWS cloud services, infrastructure automation, and designing compliant, highly available systems in regulated environments.

Key Responsibilities

• Design and Architect secure cloud-native and hybrid infrastructure solutions using AWS services tailored for government and defense workloads.
• Lead the development of infrastructure as code (IaC) using tools like Terraform or AWS CloudFormation.
• Define and implement network architecture , security zones, segmentation, and zero trust models for secure data flow.
• Develop and document high- and low-level design documents aligned with government security and compliance standards.
• Coordinate with security teams to ensure compliance with CSA, IM8, and defense-grade cybersecurity standards .
• Oversee cloud migration strategies, lift-and-shift or re-architecture efforts for legacy systems.
• Lead incident response planning , backup and disaster recovery, and business continuity design.
• Evaluate and select appropriate tools and services across compute, storage, networking, and monitoring.
• Act as a technical advisor to project stakeholders and lead architecture reviews and governance.

Required Qualifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent field.
• 8+ years of experience in infrastructure architecture, with 5+ years in AWS-based cloud environments .
• Strong understanding of AWS services: VPC, EC2, S3, RDS, IAM, KMS, CloudTrail, GuardDuty, Security Hub, etc.
• Proven experience with cloud security design in compliance with government standards (e.g., ISO 27001, NIST 800-53, IM8, etc.).
• Proficiency in IaC tools : Terraform, CloudFormation, or CDK.
• Experience in container orchestration (EKS, ECS, Kubernetes) and serverless architecture.
• Hands-on knowledge of CI/CD pipelines , DevSecOps practices, and automation frameworks.
• Familiarity with on-prem infrastructure , networking, and hybrid-cloud integration.

Preferred Qualifications

• AWS Certified Solutions Architect – Professional or equivalent certifications.
• Experience with classified or restricted systems in the defense or government sectors.
• Knowledge of GovTech frameworks and architecture standards (e.g., SG-TSI, IM8).
• Experience in leading cross-functional teams in regulated environments.
• Strong communication and stakeholder management skills.

Additional Information

• Must be Singapore Citizen due to government security clearance requirements.
• Role may require working in secure environments and compliance with handling classified information .
• Previous experience with MinDef, DSTA, or GovTech projects is a strong plus.