Tuhin Zaman
Cloud DevOps Engineer · Platform Engineer · Site Reliability Engineer
Summary
I am a Cloud DevOps Engineer with 7 years of experience building and running AWS infrastructure, Kubernetes platforms, and CI/CD systems in production. Most of that time has been spent close to real workloads, where uptime, cost, and recovery time are things people actually notice.
Technical Skills
- Cloud
- AWS, Amazon EKS, Azure
- Containers & Orchestration
- Kubernetes, Docker, Helm
- CI/CD & GitOps
- GitLab CI, GitHub Actions, ArgoCD, Jenkins
- Infrastructure as Code
- Terraform, CloudFormation, Ansible
- Observability
- Prometheus, Grafana, Loki, Jaeger
- Security & Platform
- Trivy, cert-manager, Wiz, Linux
Professional Experience
VistaJet · Cloud DevOps Engineer
Fort Lauderdale, FL (Remote) · Oct 2022 - Present- Owned the cutover plan for a zero-downtime migration of production workloads from a self-managed Kubernetes platform to Amazon EKS, using blue-green deployments and rollback validation, with no customer-facing downtime.
- Cut AWS spend 18 percent across EC2 and EBS by right-sizing instances, cleaning up orphaned volumes, and rolling out tag-based resource governance.
- Reduced mean time to recovery 40 percent by unifying observability on CloudWatch, Prometheus, Grafana, and Loki with PagerDuty alerting.
- Built GitLab CI/CD pipelines covering automated testing, container builds, Trivy scanning, and progressive deploys to dev, staging, and production.
- Implemented ArgoCD GitOps workflows that deliver Helm releases across environments with version-controlled, auditable change history.
- Built reusable Terraform modules for EKS, VPC, IAM, RDS, and Secrets Manager, with remote state in S3 and DynamoDB and CI-based plan workflows.
- Supported RDS upgrades and disaster recovery for business-critical databases, focused on cutover planning, replication checks, and rollback readiness.
- Partnered with security to remediate Wiz findings and supported SOC 2 audit evidence collection, and authored on-call runbooks and standardized Helm charts.
HCHK Technologies, Inc. · DevOps Engineer
New York, NY · Oct 2021 - Sep 2022- Cut deployment time 60 percent by building CI/CD pipelines on Docker, Jenkins, and GitHub Actions.
- Automated configuration across 50+ Linux servers using Ansible Tower with role-based playbooks.
- Built and supported AWS infrastructure for data warehouse workloads across VPCs, NAT gateways, and load balancers, contributing to 99.99 percent application uptime.
- Built reusable CloudFormation templates to standardize network and compute provisioning across environments.
- Set up centralized logging and alerting with the ELK Stack integrated to CloudWatch.
- Deployed OpenVPN with LDAP integration for secure remote access and automated S3 snapshot lifecycle for backups.
Chrysler Motors Corporation · DevOps Engineer
Auburn Hills, MI · 2018 - Sep 2021- Managed 200+ AWS servers across development, staging, and production environments.
- Migrated 300+ legacy Jenkins jobs to pipeline-as-code, improving auditability and team handoff.
- Reduced manual operational work 30 percent through Python and Bash automation of routine tasks.
- Maintained CI/CD on Jenkins, Bamboo, Bitbucket, and Nexus, with Chef cookbooks for Tomcat and JBoss provisioning.
- Built optimized Docker images that shrank build times and deployment payloads.
- Contributed to AWS migration and Azure hybrid cloud connectivity, with monitoring on Splunk and Nagios.
Featured Project
Homelab v2.5 - Bare-Metal Kubernetes Platform · 2025 - Present
A 22-phase, production-style Kubernetes platform built by hand on bare-metal Proxmox to understand cluster lifecycle from first principles.
- Manual kubeadm bootstrap on bare-metal Proxmox nodes.
- Calico CNI with NetworkPolicy for pod networking and segmentation.
- MetalLB for L2 load balancing and ingress-nginx for HTTP routing.
Certifications
- AWS Certified Solutions Architect - Associate (SAA-C03)
- Certified Kubernetes Administrator (CKA)
Education
Bachelor of Science in Computer Science
IBAIS University, Dhaka, Bangladesh