About the Role:
We are a Malaysia-based Cloud HRMS SaaS provider. We are seeking an experienced DevOps & Cloud Infrastructure Engineer to design, secure, and operate our multi-environment AWS infrastructure, including Development, UAT, Staging, and Production. You will play a key role in managing complex multi-tenant SaaS infrastructure, implementing auto-scaling, monitoring, CI/CD, and ensuring world class reliability and performance.
Key Responsibilities
- Own and manage the entire AWS infrastructure stack (Development, UAT, Staging, Production).
- Design and operate multi-tenant SaaS environments with auto-scaling, load balancing, and cost optimization.
- Build and maintain CI/CD pipelines using Jenkins and AWS CodeDeploy.
- Configure and secure networking (VPC, subnets, routing, VPN, firewalls) and Cloudflare for DNS, CDN, and WAF.
- Manage Unix / server administration — patching, hardening, backup, and monitoring.
- Implement and monitor IAM policies, Secrets Manager, SSL/TLS, and access control.
- Set up monitoring and alerting (CloudWatch, Grafana, ELK, Prometheus).
- Enforce high-availability and disaster recovery (HA/DR) strategies.
- Automate infrastructure provisioning (CloudFormation / Terraform).
- Support application deployments and troubleshoot performance bottlenecks.
- Collaborate with developers to ensure consistent, reliable, and secure CI/CD deployments.
Key / Must-Have Requirements
- Bachelor's Degree in Computer Science, Information Technology, or related field.
- 8+ years of hands-on experience managing AWS infrastructure for multi-tenant or large-scale SaaS applications.
- Proven experience with auto-scaling, load balancing, and failover architectures.
- Deep knowledge of AWS services (EC2, RDS/Aurora, S3, EFS, IAM, CloudWatch, CloudFormation, CodeDeploy, Security Groups).
- Expert in CI/CD pipeline setup using Jenkins.
- Strong experience with networking — VPC, subnets, VPN, route tables, NAT, firewalls, and DNS.
- Strong experience in Unix/Linux server administration and shell scripting.
- Strong knowledge of Cloudflare configuration (DNS, CDN, SSL, WAF).
- Experience in security hardening, IAM policies, TLS/SSL, and monitoring automation.
- Experience with AWS Lambda and Secrets Manager.
- Excellent troubleshooting and performance optimization skills.
Good-to-Have / Preferred
- Experience managing Docker / Kubernetes / ECS environments.
- Familiar with infrastructure as code (Terraform, CloudFormation).
- Exposure to AWS SNS/SQS or serverless operations.
- Understanding of PDPA / ISO 27001 compliance in cloud environments.
- Experience managing CI/CD pipelines with test automation integration.
- Experience implementing CIS Benchmarks for server hardening and cloud security compliance.
- Strong documentation and communication skills.
Why Join Us
- Build and operate enterprise-grade, multi-tenant cloud infrastructure for a new HRMS SaaS.
- Work directly on AWS best practices and DevSecOps culture.
- Opportunity to shape infrastructure scalability, reliability, and security.
- Competitive remuneration and a chance to build world-class cloud operations experience.
