Senior DevOps Engineer

About the role

About OnebyZero OnebyZero is a next-generation Data and AI consulting company, headquartered in

Singapore and driving impact across APAC. As an AWS-exclusive partner, we help

enterprises modernize data, transform with AI, and apply Generative AI in ways that

deliver real business results. Our vision is simple while at the same time ambitious: to make AI adoption both

impactful and human-centered. We collaborate with leading enterprises in banking,

telecommunications, retail, and other industries to help them unlock tangible value

from their data and AI initiatives. By combining deep industry expertise, trusted

partnerships, and a relentless focus on outcomes, OnebyZero empowers organizations

to go beyond pilots and achieve lasting, scaled impact About the Role We are seeking an experienced and highly skilled Senior DevOps Engineer to lead and

enhance our cloud infrastructure and deployment processes. In this role, you will work

with cross-functional teams to design, implement, and maintain robust, scalable, and

secure infrastructure, primarily on AWS. You will be a key player in automating

processes and ensuring smooth operations across development and production

environments, while mentoring junior engineers. What You'll Do & The Impact You'll Have Architect, design, and implement scalable infrastructure solutions on AWS using

best practices. Lead the automation of infrastructure provisioning using Infrastructure as Code

(IaC) tools like Terraform, AWS CDK, or CloudFormation. Build and manage CI/CD pipelines for continuous integration and continuous

delivery using tools like Jenkins, GitLab CI, or AWS CodePipeline. Monitor, troubleshoot, and optimize performance and reliability of cloud-based

environments. Implement security best practices and ensure that cloud environments are

compliant with internal and external standards. Automate repetitive tasks and processes with scripting in Python, Bash, or other

tools. Manage and optimize resource utilization and cost in AWS environments. Oversee the administration and management of Linux environments in

production and development. Mentor junior team members and provide guidance on DevOps best practices. Collaborate with development and operations teams to streamline workflows

and improve productivity.

What you'll bring

Requirements What You'll Bring to the Table Must-Have Skills: 5+ years of hands-on experience in a DevOps Engineer role, or similar positions. Extensive experience with AWS services (EC2, S3, VPC, Lambda, RDS, etc.) Strong proficiency in Infrastructure as Code (IaC) using Terraform, AWS CDK, or

CloudFormation. Demonstrated expertise in building, managing, and automating CI/CD pipelines

(e.g., GitHub Actions, Jenkins). Advanced scripting skills in Python and Bash for automation and tool

development. Expertise in Linux system administration (Ubuntu, CentOS, etc.). Deep understanding of networking, security practices, and monitoring in cloud

environments. Experience with containerization and orchestration tools such as Docker and

Kubernetes. Cloud Platforms: Advanced AWS Cloud expertise (EC2, VPC, S3, Lambda, RDS,

CloudFront, etc.) IaC Tools: Terraform, AWS CDK, 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 and Access Management (IAM), security groups, VPC, and

encryption best practices Nice-to-Have Skills: AWS Certifications (Solutions Architect, Developer, SysOps Administrator,

DevOps Engineer). Experience with serverless technologies such as AWS Lambda and API Gateway. Expertise with configuration management tools Strong understanding of microservices architecture and container orchestration

with Kubernetes. Experience with cost optimization in cloud environments. Familiarity with Agile methodologies and DevOps principles. Excellent communication and collaboration skills, with experience working in

cross-functional teams. Ability to lead and mentor junior DevOps engineers and collaborate effectively

with stakeholders.

Benefits and perks

Benefits What We Bring to the Table