Job Description:

Job Description – Cloud Support Engineer 

Role Summary
We are seeking an experienced Cloud Support Engineer to provide L2/L3 production support, operational maintenance, incident management, security support, and continuous reliability improvement for an enterprise medical imaging platform in Singapore.
This role is responsible for ensuring the stability, security, performance, and availability of the XNAT application and its supporting AWS cloud infrastructure. The engineer will work across cloud infrastructure, application support, identity integration, secure DevOps pipelines, and healthcare compliance requirements.
The ideal candidate should possess strong hands-on experience in AWS cloud operations, Java-based application troubleshooting, SecDevOps practices, and healthcare-grade platform support.
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Key Responsibilities
1. Production Application Support 
•    Provide day-to-day L2/L3 support for the medical imaging application hosted in AWS. 
•    Monitor platform health, investigate incidents, perform root cause analysis, and restore services within SLA. 
•    Troubleshoot application issues across frontend, backend APIs, image ingestion workflows, metadata processing, and user access. 
•    Analyze Java application logs, service logs, container logs, and database errors for issue resolution. 
•    Coordinate with development teams/vendors for bug fixes, patching, and enhancement deployment. 
•    Maintain operational runbooks, SOPs, knowledge base, and support documentation. 
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2. AWS Cloud Infrastructure Support
Manage and support the AWS infrastructure stack powering the XNAT platform, including:
•    Cloud resource monitoring and troubleshooting 
•    Incident response and service restoration 
•    Capacity and performance tuning 
•    Backup verification and disaster recovery support 
•    Cloud configuration review and optimization 
•    Deployment validation and environment health checks 
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3. Identity & Access Management Support
•    Support user authentication, authorization, and SSO integration between AWS and Microsoft Microsoft Entra ID. 
•    Manage IAM roles, policies, least privilege access, service accounts, and cross-service permissions. 
•    Support AppStream user access provisioning and federated login troubleshooting. 
•    Ensure access controls comply with healthcare security and audit requirements. 
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4. SecDevOps & Release Support
•    Support secure CI/CD deployment activities for infrastructure and application releases. 
•    Participate in vulnerability remediation, patch deployment, secrets rotation, and configuration hardening. 
•    Ensure compliance with secure coding, secure image/container deployment, and infrastructure baseline controls. 
•    Review logs, alerts, and security findings to proactively identify operational risks. 
•    Collaborate with DevOps and Security teams for continuous platform resilience improvements. 
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5. Database & Storage Support
•    Support Amazon RDS PostgreSQL operational monitoring, backup validation, query troubleshooting, and connectivity issues. 
•    Manage S3 storage monitoring for medical image archive, metadata, and application object storage. 
•    Investigate data ingestion failures, storage performance bottlenecks, and lifecycle policy issues. 
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6. Networking & Connectivity Support
•    Troubleshoot AWS VPC networking, route tables, security groups, NACLs, DNS, ALB routing, SSL/TLS certificates, and API endpoint connectivity. 
•    Support secure connectivity between AppStream users, application services, and backend imaging repositories. 
•    Assist in firewall rule validation and endpoint whitelisting. 
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7. Compliance, Monitoring & Operational Governance
•    Ensure platform operations align with healthcare cloud governance, security, and auditability standards. 
•    Support operational compliance evidence gathering, log retention, audit review, and incident reporting. 
•    Implement proactive monitoring, alert tuning, and reliability improvement initiatives. 
•    Participate in on-call support rotation and critical incident management. 
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Required Technical Skills
AWS Cloud Services (Hands-on Operational Experience)
Strong experience supporting:
•    AWS Lambda 
•    Amazon ECS / Fargate 
•    Amazon API Gateway 
•    Application Load Balancer 
•    Amazon S3 
•    Amazon RDS PostgreSQL 
•    AWS IAM 
•    AWS AppStream 2.0 
•    AWS CloudWatch 
•    AWS VPC / Networking / Route53 / Security Groups / NACL 
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Application & Programming
•    Strong Java application troubleshooting experience 
•    Ability to read stack traces, logs, API exceptions, and service integration errors 
•    Understanding of REST API troubleshooting and backend service dependencies 
•    Linux command line administration experience 
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DevOps / SecDevOps
•    CI/CD pipeline exposure 
•    Docker/container troubleshooting 
•    Infrastructure as Code awareness (Terraform / CloudFormation preferred) 
•    Security vulnerability remediation and patch management 
•    Secrets/certificate management awareness 
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Identity & Security
•    AWS IAM policy management 
•    Microsoft Microsoft Entra ID / SSO / federation support 
•    RBAC and least privilege model understanding 
•    Audit logging and compliance operations

We transform. SAP® solutions into Value

Recruiter Name: Srinija Adapa

Recruiter Email ID: [email protected]

NTT DATA Business Solutions is a fast-growing international IT company and one of the world’s leading SAP partners. We are a full service provider delivering everything from business consulting to implementation of SAP solutions, including hosting services and support.