Senior DevOps Engineer

TOSS-EX PR PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TOSS-EX PR PTE. LTD. in Singapore seeks an experienced DevOps Engineer to design, implement, and maintain CI/CD pipelines and infra automation for cloud-native applications on AWS.

You will drive DevOps best practices, manage containerized workloads with Docker and Kubernetes, and ensure security integration within delivery pipelines. The role requires hands-on AWS experience, IaC with Terraform, and familiarity with security tooling.

Qualifications

• Minimum 5 years of hands-on AWS cloud infrastructure design and operation.
• Extensive AWS services experience (EC2, EKS, S3, IAM, VPC, Lambda).
• IaC with Terraform in AWS environments.
• Hands-on CI/CD pipelines for cloud-native apps on AWS.
• Containerized workloads with Docker and Kubernetes on AWS.
• Security tooling integrated into CI/CD (SonarQube, Fortify, Checkmarx, OWASP Dependency-Check).

Responsibilities

• Design, implement, and maintain CI/CD pipelines to support automated software delivery.
• Automate infrastructure provisioning, configuration, deployment, and operational processes.
• Establish and maintain Infrastructure as Code (IaC) using Terraform, CloudFormation, or equivalent tools.
• Drive DevOps best practices across development and operations teams.
• Design and manage cloud infrastructure across AWS, Azure, or hybrid environments.
• Monitor production and staging environments and troubleshoot issues across cloud and container platforms.
• Implement DevSecOps practices within CI/CD pipelines and manage security scanning tools.

Skills

AWS Cloud

CI/CD

Terraform

Kubernetes

Docker

Security tooling

Tools

Terraform

CloudFormation

Docker

Kubernetes

SonarQube

OWASP Dependency-Check

Job description

DevOps & Automation

• Design, implement, and maintain CI/CD pipelines to support automated software delivery.
• Automate infrastructure provisioning, configuration, deployment, and operational processes.
• Establish and maintain Infrastructure as Code (IaC) using Terraform, Bicep, CloudFormation, or equivalent tools.
• Drive DevOps best practices across development and operations teams.

Cloud & Infrastructure Management

• Design and manage cloud infrastructure across Azure, AWS, or hybrid environments.
• Ensure infrastructure scalability, resiliency, availability, and cost optimization.
• Support cloud migration and modernization initiatives.
• Manage Kubernetes clusters and container-based platforms.

System Reliability & Operations

• Maintain production and staging environments.
• Monitor application and infrastructure health using enterprise monitoring solutions.
• Troubleshoot complex infrastructure, deployment, and performance issues.
• Drive continuous improvement in system reliability and operational efficiency.

Security & Compliance

• Implement DevSecOps practices within CI/CD pipelines.
• Integrate security scanning, vulnerability assessment, and compliance controls.
• Manage secrets, certificates, access controls, and identity management.
• Ensure compliance with organizational and regulatory security requirements.

Collaboration & Leadership

• Work closely with Solution Architects, Developers, Test Leads, Security Engineers, and Project Managers.
• Mentor junior DevOps engineers and provide technical guidance.
• Participate in architecture reviews and technical governance activities.
• Support project planning, estimation, and technical risk assessment.

Requirements:

(Indicate the qualifications, education, associated training, background knowledge, skills and attributes to perform the job competently)

• Minimum 5 years of hands-on experience designing, deploying, and managing cloud infrastructure on Amazon Web Services (AWS).
• Strong practical experience with AWS services such as:
  • Amazon EC2
  • Amazon EKS (Kubernetes)
  • Amazon S3
  • AWS IAM
  • Amazon VPC
  • AWS Lambda
  • Amazon RDS
  • AWS CloudWatch
  • AWS Systems Manager
  • AWS Secrets Manager
• Experience implementing Infrastructure as Code (IaC) using Terraform in AWS environments.
• Hands‑on experience building and maintaining CI/CD pipelines supporting cloud-native applications deployed on AWS.
• Experience managing containerized workloads using Docker and Kubernetes in AWS environments.
• Demonstrated experience integrating security tools into CI/CD pipelines and software delivery workflows.
• Hands‑on experience with one or more of the following security scanning tools. SonarQube , Fortify , Checkmarx, OWASP Dependency-Check.

Preferred Experiences

• Experience delivering enterprise or mission‑critical systems on AWS Cloud.
• Hands‑on experience with Kubernetes platforms (EKS preferred).
• Experience implementing DevSecOps pipelines and cloud security automation.
• Experience in Defence, Government, Critical Infrastructure, or regulated environments.
• Experience working in MINDEF Commercial Cloud (MCC) will be highly advantageous.
• AWS Certified DevOps Engineer - Professional
• AWS Solutions Architect Associate/Professional