Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
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Roman Pereverziev

Roman Pereverziev

Chicago,IL

Summary

A self-motivated and highly skilled Senior Cloud Platform Engineer with a strong background in Containers, Infrastructure as Code (IaC), and Cloud technologies. Demonstrated ability to manage all aspects of configuration management, DevOps, and diverse cloud infrastructure. Quick to learn new tools and adapt to changing technologies. Eager to explore new technologies, face challenges, and deliver effective solutions. Hands-on experience in installing, maintaining, and configuring servers; implementing and supporting CI/CD pipelines; and performing server infrastructure migrations.

Overview

8
8
years of professional experience
1
1
Certification

Work History

Principal Infrastructure Engineer

Discover financial
09.2022 - Current
  • Provisioned and managed EKS clusters across dev, stage, and prod environments using Terraform
  • Managed Jenkins CI/CD pipelines for GCP environments integrated with Terraform, deploying Megalista and related services such as GCS, VM, VPC, and IAM
  • Developed Jenkins CI/CD pipelines using Terraform and dynamic agents for AWS services, deploying IAM, EC2, VPC, EKS, DynamoDB, EBS, and EFS
  • Created custom Ansible playbooks to provision and manage AWS EMR clusters and related activities
  • Managed the OpenShift platform for dev, stage, and prod environments including upgrades, cluster/application troubleshooting, networking, and system health
  • Developed Terraform modules for EKS clusters to deploy isolated environments with custom private VPCs, integrated with Jenkins CI/CD for team-wide usability
  • Authored detailed documentation for managing pipelines, Terraform, and Ansible codebases to support onboarding and team reference
  • Managed the GCP environment for the Google-hosted application Megalista, including initial installation, upgrades, and troubleshooting
  • Onboarded new engineers, conducted knowledge transfer sessions, and provided tooling support to ensure smooth integration into the platform
  • Built reusable Terraform infrastructure modules for GCP to support cross-team project deployments
  • Performed Calico upgrades using the Tigera licensed version and documented each version's process for team reference
  • Troubleshot EKS-deployed microservices to help developers resolve deployment issues and unblock workflows
  • Deployed Istio service mesh on EKS, configured virtual services, gateways, mutual TLS (mTLS), and implemented canary releases
  • Created and maintained Dockerfiles for team-specific microservices based on project requirements

Sr. DevOps Engineer

Lowe's Companies, inc
11.2019 - 01.2024
  • Experienced on deploy to kubernetes cluster based applications using helm, and storing helm charts in GCS storage cloud
  • Automating helm templates so they are dynamic through all environments
  • Using GCP for providing different kinds of clusters such as GKE, Rancher (RKE), k8s with kubespray
  • Using terraform for automating IaC, make it faster and reusable
  • Using GCS on GCP for storing terraform tfstate file, configuration files, and multiple others for pulling it during cluster creation
  • Installation of cert manager with external DNS, ingress-nginx top top of EKS
  • Using ILB on GCP for isito ingress service mesh communication, as well as ingress nginx to expose secure endpoints SSL encrypted with Virtual Services and istio Gateways
  • Communication to the IAM team for necessary creation of service accounts, roles, policies, users etc
  • Using Jfrog artifactory and GCR (GCP) artifactory for storing Docker images
  • On regular bases creating Google support cases and follow up to troubleshoot issues
  • Automated SSO across different applications (ex: Rancher, GCP, internal applications) by using automation for easier maintenance
  • Automated kube-prometheus-stack across all environments and all clusters
  • Automated alerts on slack, pager duty and emails
  • Utilizing bash and python for creating automation scripts to achieve a faster, better, and easily maintainable environment
  • Using python along with python google client libraries for devops testing
  • Creating complex Jenkins pipelines using automation to read dynamically from vault
  • Working closely with the Networking Team, Palo Alto team for modification and configuration on VPC (GCP) end
  • Utilizing VM's (GCP) for creating Vault hosts and using it as a secure storage
  • Using GCP stackdriver for logging and monitoring purposes
  • Maintain and monitor kubernetes cluster in PROD, STAGE, QA, DEV environments
  • Installation and configuration NPE and Prod environment for Vault 100% based on k8s
  • Onboarding and integration DEV teams to Vault secure secret storage, configuring Vault agents to connect to Vault server and securely pull the secrets with least privileges
  • Analyzing and eliminating security vulnerabilities on k8s environment
  • Installation of official Helm charts for prometheus and grafana, stages based from dev to prod with persistence and all support
  • Maintain and configure ingress and ingress-controller on top kubernetes cluster in all environments
  • Built and deployed Docker containers to break up monolithic app into microservices, improving developer workflow, increasing scalability, and optimizing speed
  • Creation and modification kubernetes clusters with kubespray
  • Installation and configuration istio-system, configuring mutual-TLS, secure gateways, configuring Virtual Services to redirect requests to backend applications
  • Problem solving of application deployment issues, collaboration with qa, dev, operation, monitoring, logging teams
  • Troubleshooting with development teams their python and java applications
  • Create root cause analysis reports and provide long-term resolution actions to be taken
  • Created Ansible playbooks to automatically install packages from a repository, to change the configuration of remotely configured machines and to deploy new builds
  • Worked with Ansible tower and created automated tasks based on input
  • Supported an enterprise-level CI platform with developing best practices, processes, and tools, including JIRA, Jenkins and source code management tools like Git
  • Strong experience with creation and configuration istio-system for k8s environments dev/qa/perf/prod

Sr. DevOps Engineer

Capgemini
04.2019 - 11.2019
  • Modification and creation CI/CD pipelines for application deployment and automated tasks using Jenkins
  • Designed and implemented highly available scalable and secure Cloud Architecture based on Amazon Web Services
  • Created DockerFiles, built Docker images for microservices to run on Kubernetes platform
  • High intensive troubleshooting skills on top of Kubernetes, supported maintenance and application functionality in a containerized environment
  • Build and maintain Kubernetes on AWS using kops and terraform
  • Managed IAAC through terraform, modifying terraform code to deliver applications on different environments and regions
  • Integration terraform with Kubernetes cluster, created deployments on cluster
  • Working on automation scripts logic to perform cluster upgrades
  • Working with Kubernetes network, images, containers, volumes, secrets, deployments, services such as Ingress and LoadBalancer
  • Upgraded Kubernetes Dev/QA/Prod environment to newer versioning using Kops
  • Led in the process of cloud usage, monitoring, reporting and blocking
  • Utilized Kubernetes and Docker for the deployment and delivery with CI/CD system to build, test, deploy
  • Communication and collaboration with the test and dev team to solve the issues
  • Implementation and integration proxy servers on MuleSoft using CI/CD pipelines
  • Extremely used Jira for reporting, tracking and solving issues
  • Build, design and updating training documentation using confluence
  • Experience migrating STASH repositories to Bitbucket
  • Excellent communicative, interpersonal, intuitive, analysis and leadership skills with ability to work efficiently in both independent and teamwork environments
  • Design, configure and manage private cloud infrastructures utilizing Amazon Web Services (AWS) including EC2, S3, ELB, Autoscale, Route53, Cloudwatch, Cloudformation, RDS
  • Expertise in Root cause analysis and worked on multiple problem tickets to get the permanent fix for issues
  • Expertise in troubleshooting live production issues and focused on quick restoration of services with incidents
  • Experience in using protocols like HTTP/HTTPS, FTP, SSH, SOAP, TCP, SSL, DNS and assisted developers in troubleshooting

DevOps engineer

J.Crew
03.2017 - 04.2019
  • Experience with provisioning tools like Terraform in production environments
  • Configured monitoring of AWS Instances regularly using Nagios
  • Launch EC2 servers using AMI's and configuring servers for specific applications
  • Architected solutions in AWS, Google Cloud using automation (Ansible, Terraform)
  • Migration of monitoring tool from older version to newer version
  • Automated deployment process with Jenkins, eliminating 70% of manual work
  • Create and maintain automated CI/CD pipelines for code deployment using Jenkins
  • Used CI/CD tools to build/continuous deployment automation using Jenkins
  • Developed expertise in DevOps processes and CI/CD management tools
  • Experience automating infrastructure, testing, and deployments of a web-based application with tools like Ansible, Terraform, and Packer
  • Automated build and deployment to reduce human error and speed up production
  • Developed hybrid cloud delivery model allowing for customers to choose the mix of AWS and on-premise servers to meet their individual needs
  • Experienced in containerizing using the following technologies Docker Kubernetes
  • Assist in deploying Kubernetes into cloud and on-prem environments
  • Created a private cloud using Kubernetes that supports DEV, TEST, and PROD
  • Managed local deployments in Kubernetes, creating local clusters and deploying applications into containers/kubes
  • Implemented AWS solutions using EC2, S3, Redshift, Lambda, RDS, EBS, ELB
  • Integrated Kubernetes with VPC, EBS, and security groups to provide comprehensive infrastructure and orchestrated containers across multiple hosts
  • Managing kubernetes cluster on-premise and cloud infrastructure
  • Debugging applications which are running on kubernetes cluster
  • Understanding of upgrading or downgrading applications on kubernetes cluster

Education

Master of Science - Electrical and Electronics Engineering

Central Ukrainian National Technical University
01.2013

Bachelor of Science - Electrical and Electronics Engineering

Central Ukrainian National Technical University
01.2012

Skills

    Cloud Platforms:

  • AWS (EC2, S3, VPC, EBS, IAM, RDS, CloudWatch, CloudFormation, Elastic Beanstalk),
  • GCP (GKE, GCR, GCS, ILB, GLB, VPC,IAM)

    • Infrastructure as Code (IaC):

  • Terraform, CloudFormation

    • CI/CD & Automation:

  • Jenkins, Vault, Ansible, ArgoCD, Rancher CI/CD

    • Containerization & Orchestration:

  • Docker, Kubernetes, Istio, Cert Manager, Ingress NGINX, External DNS, Helm

    • Scripting & Languages:

  • Bash, Python, Groovy

    • Monitoring & Logging:

  • Grafana, Prometheus, Amazon CloudWatch (CW)

Certification

  • Certified Kubernetes Security Specialist, LF-y9axq33b1a
  • Certified Kubernetes Administrator, CKA-1900-004263-0100
  • Certified Kubernetes Application Developer, CKAD-1900-002102-0100
  • AWS Solutions Architect - Professional, 989b10e7c33846588645f9bdec22374a
  • AWS Solutions Architect - Associate, 58DQH2L2MBV11RW8
  • AWS Certified Cloud - Practitioner, PLGJB6M1BEB41MKN
  • GCP Associate Cloud Engineer Certification, CERT-A-ACE
  • GCP Professional Cloud Architect Certification, CERT-P-CA
  • HashiCorp Certified: Terraform Associate, https://www.credly.com/badges/ffdc2e21-a6d1-40ef-98f5-433a74c5c1df/linked_in_profile
  • Certified Entry-Level Python Programmer, W2tx.KgqU.wCz9
  • Red Hat Certified System Administrator, 180-275-729

Languages

English
Russian
Ukrainian
Polish

Timeline

Principal Infrastructure Engineer

Discover financial
09.2022 - Current

Sr. DevOps Engineer

Lowe's Companies, inc
11.2019 - 01.2024

Sr. DevOps Engineer

Capgemini
04.2019 - 11.2019

DevOps engineer

J.Crew
03.2017 - 04.2019

Bachelor of Science - Electrical and Electronics Engineering

Central Ukrainian National Technical University

Master of Science - Electrical and Electronics Engineering

Central Ukrainian National Technical University

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Roman Pereverziev