Job Summary
We are seeking a skilled and experienced Cloud Engineer (SRE – Level 2) to support a secure and scalable cloud infrastructure for a Singapore Government-appointed agency operating on commercial cloud platforms.
This Subject Matter Expert (SME) role requires real-world experience in managing multi-service cloud environments using AWS, strong Infrastructure-as-Code (IaC) capabilities, lifecycle and patching operations, and proactive operational support.
The ideal candidate will be hands-on, security-aware, automation-driven, and familiar with strict uptime, compliance, and audit requirements.
Responsibilities:
Cloud Infrastructure Operations
Operate and maintain AWS-native services in production, including Lambda, ECS, EKS, FSx, Redshift, Glue, Neptune, SES, GuardDuty, WAF, Shield Advanced, Security Hub, KMS, Secret Manager, SNS, SQS, EventBridge, SageMaker, API Gateway.
Ensure uptime, availability, and secure operations.
Monitor infrastructure, manage alerts, and support production incidents
Infrastructure as Code (IaC)
Design and maintain infrastructure deployment pipelines using Terraform, CloudFormation, and Ansible.
Troubleshoot environment drift and pipeline failures.
Promote automation in cloud operations.
OS Lifecycle & Patch Management
Manage patching across RHEL (v8→v9) and Windows Server (2016→2025) using AWS Patch Manager, WSUS, and YUM/DNF.
Schedule, automate, and track patches.
Coordinate approvals and ensure compliance.
SSL and EOL Management
Track SSL certificate renewals across environments.
Identify and remediate EOL components like OS versions and Lambda runtimes.
Tool Integration & Interoperability
Integrate tools like NGINX and input into the observability stack.
Work with SRE teams to enhance infrastructure monitoring.
Documentation & Reporting
Maintain infrastructure runbooks, patch/change logs, post-mortem reports, and audit artifacts
Requirements:
Bachelor’s degree in computer science, Information Systems, or a related field
Minimum 6 years’ experience in DevOps / SRE roles, with at least 4 years on public sector or regulated Cloud environment
AWS Certified Solutions Architect
RHCE or Microsoft Server Admin
ITIL v4 Foundation (preferred)
Soft Skills & Competencies
Strong problem-solving & troubleshooting
Clear communication across technical and non-technical teams
Cross-functional collaboration
Adaptability and accountability
Detail-oriented, secure implementations
Customer-focused and service-oriented
Effective time management and prioritization
Continuous learning of cloud & security practices
Resilient under pressure and during incidents
SME Role Expectations
Deep proficiency in AWS services & architecture
Experience in uptime-critical and compliant environments
Ability to mentor junior engineers
Proactive in incident prevention and handling
Disciplined with change, incident, and audit processes
Technical Skills & Experience
Cloud:
Hands-on AWS production services
IaC:
Terraform, CloudFormation, Ansible
OS:
RHEL & Windows Server administration
Patching:
AWS Patch Manager, WSUS, YUM/DNF
SSL/EOL:
Certificate management & lifecycle remediation
Documentation:
Runbooks, compliance, change logs
We are an equal opportunities employer and welcome applications from all qualified candidates.
If you are keen, please note that only shortlisted candidates will be contacted.
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