DevOps Engineer

ONEBYZERO PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

ONEBYZERO PTE. LTD. in Singapore is seeking an experienced DevOps Engineer to design and manage scalable AWS infrastructure. You will lead automation using IaC and create robust CI/CD pipelines, while optimizing performance and security across production and development environments.

The role requires strong Linux administration, containerization with Docker/Kubernetes, and mentoring junior engineers within cross-functional teams to streamline workflows and improve productivity.

Qualifications

• Minimum 5+ years in a DevOps/related role with hands-on AWS experience.
• Strong IaC experience using Terraform, AWS CDK or CloudFormation.
• Experience building and managing CI/CD pipelines (GitHub Actions, Jenkins).
• Advanced scripting skills in Python or Bash for automation.
• Proficient Linux administration and networking/security knowledge.

Responsibilities

• Architect and implement scalable AWS infrastructure using best practices.
• Lead IaC and automation initiatives across environments.
• Build and maintain CI/CD pipelines for rapid delivery.
• Monitor, troubleshoot, and optimize cloud environments for reliability.
• Ensure security and compliance with internal/external standards.
• Mentor junior DevOps engineers and promote best practices.
• Collaborate with development/operations teams to improve workflows.

Skills

5+ years DevOps experience

AWS stack

IaC proficiency

CI/CD pipelines

Scripting: Python/Bash

Linux administration

Networking & security

Docker & Kubernetes

Monitoring & logging

Cost optimization

Tools

Terraform

AWS CDK

CloudFormation

GitHub Actions

Jenkins

Docker

Kubernetes

Git

Job description

Key Responsibilities

• Architect, design, andimplement scalable infrastructure solutions on AWS using best practices.
• Lead the automation ofinfrastructure provisioning using Infrastructure as Code (IaC) tools likeTerraform, AWS CDK, or CloudFormation.
• Build and manage CI/CDpipelines for continuous integration and continuous delivery using tools likeJenkins, GitLab CI, or AWS CodePipeline.
• Monitor, troubleshoot, andoptimize performance and reliability of cloud-based environments.
• Implement security bestpractices and ensure that cloud environments are compliant with internal andexternal standards.
• Automate repetitive tasksand processes with scripting in Python, Bash, or other tools.
• Manage and optimize resourceutilization and cost in AWS environments.
• Oversee the administrationand management of Linux environments in production and development.
• Mentor junior team membersand provide guidance on DevOps best practices.
• Collaborate with developmentand operations teams to streamline workflows and improve productivity.

Qualifications

• 5+ years of hands-onexperience in a DevOps Engineer role, or similar positions.
• Extensive experience withAWS services (EC2, S3, VPC, Lambda, RDS, etc)
• Strong proficiency inInfrastructure as Code (IaC) using Terraform, AWS CDK, or CloudFormation.
• Demonstrated expertise inbuilding, managing, and automating CI/CD pipelines (e.g., GitHub Actions,Jenkins).
• Advanced scripting skills inPython and Bash for automation and tool development.
• Expertise in Linux systemadministration (Ubuntu, CentOS, etc).
• Deep understanding ofnetworking, security practices, and monitoring in cloud environments.
• Experience withcontainerization and orchestration tools such as Docker and Kubernetes.
• Cloud Platforms: AdvancedAWS Cloud expertise (EC2, VPC, S3, Lambda, RDS, CloudFront, etc)
• IaC Tools: Terraform, AWSCDK, CloudFormation
• CI/CD Tools: GitHub Actions,Jenkins
• Scripting Languages: Python,Bash
• Containerization: Docker,Kubernetes
• Operating Systems: Linux(Ubuntu, CentOS, etc)
• Version Control: Git,GitHub, GitLab
• Monitoring & Logging:CloudWatch, Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana)
• Security: AWS Identity andAccess Management (IAM), security groups, VPC, and encryption best practices

Preferred Skills

• AWS Certifications(Solutions Architect, Developer, SysOps Administrator, DevOps Engineer).
• Experience with serverlesstechnologies such as AWS Lambda and API Gateway.
• Expertise with configurationmanagement tools
• Strong understanding ofmicroservices architecture and container orchestration with Kubernetes.
• Experience with costoptimization in cloud environments.
• Familiarity with Agilemethodologies and DevOps principles.
• Excellent communication andcollaboration skills, with experience working in cross-functional teams.
• Ability to lead and mentorjunior DevOps engineers and collaborate effectively with stakeholders.