Open to opportunities

Keith Tan

@knatan497

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DevOps Engineer with 5+ years building CI/CD, AWS automation, and observability to run reliable cloud systems.

Singapore

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What I'm looking for

I’m looking to apply DevOps principles to build and scale CI/CD, infrastructure automation, and Kubernetes operations—strengthening observability, SLO/SLAs, and incident response to drive operational excellence at scale.

I’m a DevOps Engineer with 5+ years of experience designing and maintaining cloud infrastructure, with a strong focus on CI/CD automation and production reliability. I’ve supported 5+ microservices handling 30,000+ daily API requests through dependable release pipelines.

At IBM, I designed and maintained CI/CD pipelines using Jenkins and GitHub across multiple microservices, while implementing observability with CloudWatch and Grafana for system monitoring and alerting. I’ve led improvements to SLOs, SLAs, and incident management by applying SRE best practices.

My work also centers on secure, scalable infrastructure: managing AWS resources (EC2, S3, Lambda) with IAM policies, implementing VPC configuration and security groups, and automating provisioning with Terraform across dev, staging, and production. I’ve handled migrations, including legacy application moves to AWS EKS, contributing to container orchestration setup.

I’m AWS Certified (SysOps Administrator – Associate) and a GitLab Certified Associate, and I enjoy building repeatable automation that reduces operational friction. I’m now looking to apply DevOps principles—especially Kubernetes operations and infrastructure-as-code—to drive operational excellence at scale.

Experience

Work history, roles, and key accomplishments

DevOps Engineer

IBM

Oct 2022 - Mar 2026 (3 years 5 months)

Designed and maintained CI/CD pipelines using Jenkins and GitHub Actions across 5+ microservices handling 30,000+ daily API requests. Implemented observability with CloudWatch and Grafana, automated infrastructure provisioning with Terraform across 200+ AWS resources, and contributed to legacy migrations to AWS EKS.

Jenkins GitHub Actions Terraform AWS EC2 S3 Lambda Cloudwatch Grafana CI CD Automation

DevOps Engineer Trainee

National Trades Union Congress (NTUC)

Jan 2020 - Jun 2021 (1 year 5 months)

Built a CI/CD pipeline using Docker and Jenkins for a capstone project, reducing simulated deployment time from 1 hour to 15 minutes. Completed DevOps coursework including Python, Linux administration, Terraform, Kubernetes fundamentals, and SonarQube.

Docker Jenkins CI CD Pipelines Terraform Kubernetes Python SonarQube Agile Methodologies

IT Support Assistant

EDMI Limited

Jul 2019 - Aug 2019 (1 month)

Provided IT support to troubleshoot end-user hardware and software issues, resolving 50+ support tickets. Assisted with documentation and basic infrastructure troubleshooting.

IT Support Troubleshooting Software support Ticket Resolution Documentation end user support

Education

Degrees, certifications, and relevant coursework

National Trades Union Congress (NTUC)

Trainee (DevOps Engineer), DevOps Engineering

2020 - 2021

Completed a DevOps Engineer trainee program, building a CI/CD pipeline using Docker and Jenkins as part of a capstone project. The capstone reduced simulated deployment time from 1 hour to 15 minutes.

SIM Global Education

Bachelor of Computing & Information Systems, Computing & Information Systems

2017 - 2020

Grade: 3.5/4.0

Activities and societies: Basketball; Hackathon participant

Completed a Bachelor of Computing & Information Systems, graduating with a PA of 3.5/4.0. Took part in extracurricular activities including basketball and hackathons.

EDMI Limited

IT Support Assistant, IT Support

2019 -

Worked as an IT Support Assistant, providing troubleshooting for hardware and software issues for end-users. Resolved 50+ support tickets during the role.