Senior Cloud Engineer, AWS

About the role

MUFG Investor Services is hiring a Senior Cloud Engineer (AWSOps) in Singapore to keep its AWS infrastructure and platform services stable, secure and efficient. The role is hands-on and focused on operational excellence, troubleshooting and continuous improvement, covering service requests, patching, upgrades, release execution, alert triage, project delivery, automation and security remediation.

Key responsibilities

• Patch, upgrade and maintain AWS services (EC2, RDS, S3, CloudFront, ALBs/NLBs) and container platforms (EKS/ECS).
• Own service desk tickets to agreed targets, keeping requesters informed until resolved.
• Support release cycles with proper change control, rollback readiness and post-deployment validation.
• Triage and resolve Datadog alerts, helping reduce noise and improve observability.
• Join a follow-the-sun on-call rotation and incident response.
• Manage infrastructure as code, mainly with Terraform.
• Deliver assigned engineering projects end to end.
• Maintain runbooks, ticket hygiene and operational documentation.
• Automate recurring tasks and apply security best practices across IAM, networking and resource configurations.

Required profile

• 3-6 years in cloud operations, cloud infrastructure or similar hands-on roles.
• Experience supporting production environments under ITSM and change control.
• Strong troubleshooting, clear communication and disciplined documentation.
• Preferred: regulated environments (financial services, PCI DSS, SOC), incident management and postmortems, CI/CD pipelines, and multi-team collaboration.

Required skills

• AWS (EC2, IAM, VPC, RDS, S3, CloudWatch, ALB/NLB)
• Terraform and container platforms (EKS/ECS)
• Linux and Windows fundamentals, including Active Directory
• Datadog or similar monitoring and alert tuning

The position is listed as hybrid (#LI-Hybrid). About one week of on-call duty every two months after probation. Only candidates shortlisted for interviews will be contacted.