Summary
Overview
Work History
Skills
Certifications
Timeline
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Sam Zhak

Boston,MA

Summary

  • Highly motivated DevOps Engineer specializing in the architecture of resilient and scalable container ecosystems with Kubernetes and Docker, integrated within AWS cloud services. Expert in automating cloud infrastructure deployment and management through Terraform and Ansible, and for deploying sophisticated CI/CD pipelines with Jenkins to accelerate and optimize software delivery processes.

Overview

5
5
years of professional experience

Work History

DevOps Engineer

Atos Origin
Chicago, IL
10.2022 - Current
  • Developed and executed a strategic plan for the transition to a microservices architecture, facilitating the decoupling of Atos Origin's monolithic applications.
  • Configured the Kubernetes Cluster Autoscaler on EKS to automatically adjust the number of nodes in a cluster based on the demand, ensuring efficient resource utilization.
  • Deployed a comprehensive monitoring and logging framework using Amazon CloudWatch, Prometheus, and Grafana for EKS clusters.
  • Automated the provisioning and management of cloud infrastructure using Jenkins in conjunction with Terraform.
  • Integrated Ansible Tower to manage complex workflows and orchestrate the deployment of multi-tier applications.
  • Leveraged shell scripting (Bash) and other scripting languages (Python,PowerShell) to create automation solutions tailored to the organization's specific needs and requirements.

Cloud Engineer

Expedia Group
Chicago, IL
03.2019 - 09.2022
  • Led the migration of 100+ VMs to AWS, completing the project ahead of schedule and enhancing system scalability.
  • Improved security posture by implementing AWS IAM best practices, reducing potential vulnerabilities and achieving compliance with industry standards.
  • Implemented a robust data warehousing solution with Amazon Redshift for a SaaS application, enabling advanced data analytics and reporting features, which increased customer satisfaction by 25%.
  • Successfully deployed Prometheus in an AWS environment to monitor key performance metrics across multiple microservices, enhancing system observability.
  • Configured Grafana for insightful dashboards that provided real-time visibility into system health, leading to a 15% reduction in downtime.

Skills

  • CI/CD Tools: Jenkins
  • Containerization: Kubernetes, Docker
  • Configuration management: Ansible
  • IaC: CloudFormation, Terraform
  • Cloud Platforms: AWS, Google Cloud
  • Scripting/Programming: Bash, Python
  • Monitoring/Logging: Prometheus/Grafana, CloudWatch
  • OS: Ubuntu, CentOS, Rocky Linux
  • Version Control: Git

Certifications

  • Certified Kubernetes Administrator (CKA)
  • AWS Certified Cloud Practitioner

Timeline

DevOps Engineer

Atos Origin
10.2022 - Current

Cloud Engineer

Expedia Group
03.2019 - 09.2022

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Sam Zhak