Aleksandr Vasilchenko

Background

About Aleksandr Vasilchenko

DevOps engineer with 4+ years of work experience in clouds and programming. Currently in Yerevan, Armenia.DevOps: Ansible, Jenkins, Docker, Terraform, PackerLanguages: Python, Bash, Groovy (Jenkins related), Golang (almost no production experience)AWS: EC2, VPC, Route 53, Certificate Manager, S3, EFS, EBS, CloudFormation, IAM, Lambda, SQS, SNS, RDS, CloudWatch, CloudTrail, Secrets Manager, KMS, Cost ExplorerMonitoring: New Relic, DatadogDatabases: PostgreSQLOS: Ubuntu, Centos, Amazon LinuxOther: CI/CD, Git, Debugging, NetworkI have been working on two different projects both as a single DevOps engineer and in a DevOps team. List of tools and responsibilities:AWS: managing the account for the whole team (instances, buckets, AMIs, volumes, secrets, SQS, SNS), moving infrastructure to CloudFormation and from one region to another, moving application hosted on-premise to AWS, improving security and encryption, cost savings for AWS, sFTP server from AWS Transfer with custom identity provider, IAM management, moving database to RDS, adding monitoring with CloudWatch, managing ECR, Lambda (secret rotation, new S3 objects), cross-account access, working with hybrid cloud and Route53 private hosted zones and System ResolverPython: scripts for automation and modules for the application, AWS Lambda, script to run Ansible via SSMBash: monitoring, automation, installation, user-data scriptsAnsible: AMI creation and configuration, EC2 instances, EBS and EFS configuration, on-premise servers configuration, legacy processes automationJenkins: master node management, configuration of agents (EC2 and Docker) and AMIs for them, creating different job types, adding CI/CD, adding EC2 fleetPacker: EC2 AMI creation with bash or Ansible as provisioners, snapshots configurationTerraform: IaaC for AWS and New Relic resourcesWorking with customer programming languageDocker: creation of Dockerfiles for microservices, Jenkins agents, Singularity containers, working with Docker composeLinux: Centos, AWS Linux Ubuntu debugging (network, processes, filesystems), managing on-premise and AWS serversMonitoring: Datadog and New relic installation and configuration, New Relic support with TerraformPostgres: backups, SQL queries, migrationsK8S: working with helm charts, custom scheduler on GolangGolang: Lambdas and k8sFor EPAM I prepared lectures about AWS and Ansible, and gave them to students working with their homework. Also I was participating in non-project activity as a DevOps for EPAM inner projects.