Senior DevOps & Cloud Engineer

Paydaes Sdn Bhd; Petaling Jaya; On-site; MYR 180,000 - 300,000; Full time

Job summary

Paydaes Sdn Bhd is seeking a senior AWS infrastructure engineer to own and manage the complete AWS stack across development, UAT, staging and production. You will design multi-tenant SaaS environments with auto-scaling, load balancing and cost optimization, and build CI/CD pipelines with Jenkins and AWS CodeDeploy/CodeBuild.

You will configure secure networking, IAM, Secrets Manager, TLS/SSL, and monitoring with CloudWatch, Grafana, ELK, and Prometheus, ensuring high availability and robust

Qualifications

• 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

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, AWS CodeBuild 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
• Support application deployments and troubleshoot performance bottlenecks

Skills

AWS infra

CI/CD pipelines

Unix/Linux admin

Networking

Cloudflare config

IaC

Monitoring

Security hardening

Education

Bachelors Degree in Computer Science or related field

Tools

Jenkins

CodeDeploy/CodeBuild

CloudFormation

Job description

Own and manage the entire AWS infrastructure stack across Development, UAT, Staging, and Production environments. Design and operate multi-tenant SaaS environments with auto-scaling, load balancing, and cost optimization. Build and maintain CI/CD pipelines, configure and secure networking, manage Unix/server administration, and enforce high-availability and disaster recovery strategies.

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, AWS CodeBuild 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

Support application deployments and troubleshoot performance bottlenecks

About you

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