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DevOps Engineer & Linux Administrator

Overview


Short Summary

The candidate is an experienced UNIX/LINUX Administrator who has been working in this position for over 8 years in a commercial practice. He has been working on DevOps since 2020. Most of his experience is working with Terraf, Prometheus and monitoring automation tools. He also works with Gitlab to manage dopositories and CI/CD pipelines. He wants to learn and work more with Kubernetes, of which he has a basic understanding. In addition, he has minor experience with AWS and Azure. He has also worked with UNIX(AIX)/RedHat/CentOS Linux, Ansible, BigData Hadoop, Ceph. He has actively used agile methodologies, especially Scrum. He can communicate in English without any problems and uses it on a daily basis.

Work Experience

Devops System Engineer

September 2022 - February 2023

  • Managed and maintained Cloud Linux Debian servers in Rackspace, utilizing Ansible for task automation and application deployment.
  • Implemented Elasticsearch for log collection and analysis and set up Docker containers for dev/test environments.
  • Prepared legacy application migration into AWS while ensuring server patching, troubleshooting, and monitoring using Grafana.
  • Focused on optimal performance and security of mission-critical applications in cloud and private Datacenter environments.

Linux system engineer (Devops)

March 2020 - September 2022

  • Supported the Dataplatform team using BigData technologies like Hadoop, Teradata, and Spark.
  • Created automation pipelines with Ansible and Terraform for VMware and Azure Cloud.
  • Implemented Prometheus/Grafana monitoring for enhanced system performance and reliability.
  • Successfully replaced native Hadoop HDFS with Ceph, a S3-compatible, object storage solution.

Linux System Administrator

May 2019 - February 2020

  • Provided support for core banking backend systems running on Solaris and Linux platforms.
  • Expertise in OS updates, patch management, monitoring, and user management using Ansible automation.
  • Responsible for troubleshooting incidents and ensuring seamless system operations.

System Engineer

January 2015 - July 2017

  • Collaborated with the organization to maintain the file transfer application and supporting processes with unified and documented policies.
  • Designed and built configuration management tools to monitor and automate provisioning processes.
  • Played a key role in large-scale software development processes and deployments.
  • Coordinated resources across different teams and led projects to completion.
  • Managed service requests related to the file transfer systems and production mail infrastructure.

IT Specialist

May 2011 - May 2014

  • Configured and supported a large AIX environment with multiple IBM Power HW servers, virtual partitions, SAN disk arrays, Oracle DBs, WAS, WMB, WMQ.
  • Provided 24x7 on-call support and managed integration of standardized application interfaces and third-party services.
  • Supported end-users and technical account users and managed the environment through IBM System Director, HMC, VIOS, and IVM.

UNIX administrator

March 2010 - April 2011

  • Administered IBM AIX and RedHat Linux systems running on pSeries POWER5 and POWER6.
  • Resolved AIX and IBM High Availability and Disaster Recovery Solutions HACMP problem tickets.
  • Implemented AIX, DLPAR, and HACMP operation requests from customers.
  • Worked with Logical Partitions LPAR, Hardware Management Console HMC, Micro-Partitioning, and VIOS.

IT specialist

January 2009 - December 2009

  • Provided remote support for UNIX/Linux systems and Oracle databases.
  • Monitored system parameters and log files, managed filesystems and networks.
  • Worked with shell scripts, manipulated tablespaces in databases, and ran SQL scripts.
  • Responded to user service calls and ensured smooth system operations
Author
DevOps Engineer & Linux Administrator
603e76c5e3c9c400071e8caa
Freelancer294  / Per day
LevelMEDIOR
Roles
DevOps Engineer Linux Administrator
Languages
English
Skillset
AWSAnsibleApplication ServerAuditAuditorAutomation SoftwareAzureBashBig DataCertificationsCloudClustersCode ManagementContainer Engine SoftwareContainerization SoftwareDatabaseDevOpsDockerElasticsearchGitGrafanaHadoopHadoop HDFSLinuxMicrosoft serversMonitoring ToolsNagiosOperation SystemsOraclePostgreSQLProject ManagerPrometheusPythonSQLSSHSearch ToolsServer Virtualization SoftwareShellSuSE LinuxTeradataTerraformToolsUnixVMware
Localities
PrahaRemote
Hybrid Localities
Praha