Senior DevOps Engineer at QuantumOS (2024-01 – Present)
- Architecting and operating multi-region AWS infrastructure (Asia, US, Canada, EU) supporting 50+ microservices across EKS clusters with Karpenter autoscaling.
- Led full GCP-to-AWS migration including multi-cluster EKS setup, ArgoCD GitOps for 40+ services, and observability stack migration to Victoria Metrics & Loki.
- Built Terraform/Terragrunt multi-account infrastructure with cross-region service discovery via AWS Cloud Map MCS, NLB/ALB configuration, and Secrets Manager integration.
- Implemented ArgoCD ApplicationSets enabling self-service GitOps deployments; reduced release cycle time by ~60%.
- Operated Substrate/Polkadot validator nodes and developed Rust smart contracts as part of the Web3 product line (VoiceBan blockchain).
Senior DevOps Engineer at WideOpenWest (2022-01 – 2024-10)
- Provisioned bare-metal and AWS infrastructure at scale using MAAS and Juju; reduced hardware provisioning time from days to under 2 hours.
- Deployed and managed OpenStack private cloud and Kubernetes clusters on both AWS and bare-metal servers supporting production workloads.
- Designed full security hardening pipeline: VM image hardening, container image scanning, SAST and DAST integration into GitLab CI, achieving compliance sign-off.
- Mentored and onboarded 4 new engineers; the team completed its first project 3× faster than initial estimates.
- Authored Python automation scripts for data extraction pipelines, eliminating recurring manual errors across ETL workflows.
Senior DevOps Engineer at NFQ Asia (2019-02 – 2022-01)
- Managed multi-cloud AWS & GCP infrastructure using Terraform IaC; maintained 99.9%+ uptime across production environments.
- Re-engineered CI/CD pipeline in Jenkins; reduced average build-and-deploy time by 80% versus the legacy pipeline.
- Operated containerised applications across Kubernetes with Helm and Kustomize, supporting team-level self-service deployments.
- Managed Kafka clusters with automated TLS rotation, replication tuning, and monitoring dashboards — enabling reliable event streaming for multiple product teams.
DevOps Engineer at Tripolis Solutions (2017-01 – 2019-02)
- Maintained 99.995% uptime SLA for SaaS platform hosted on AWS using Docker-based microservices architecture.
- Designed and operated global database clusters (MongoDB, PostgreSQL, RethinkDB) including backup, restore, sharding, replication, and Disaster Recovery mechanisms.
Dev & DevOps Engineer at EVOLABLE · Go1 (2013-01 – 2017-01)
- Built and maintained PHP applications (Phalcon, FuelPHP, Drupal) on AWS; introduced Docker-based deployment workflows for the development team.
