DevOps Engineer & Linux Administrator

Kandidát je zkušený správce systému UNIX/LINUX, který na této pozici pracuje již více než 8 let v komerční praxi. Od roku 2020 se věnuje DevOps. Nejvíce zkušeností má s prací s nástroji Terraf, Prometheus a nástroji pro automatizaci monitoringu. Pracuje také s Gitlabem pro správu dopositorií a CI/CD pipelines. Chce se naučit a více pracovat s Kubernetes, o kterém má základní znalosti. Kromě toho má drobné zkušenosti s AWS a Azure. Pracoval také s UNIX(AIX)/RedHat/CentOS Linux, Ansible, BigData Hadoop, Ceph. Aktivně využívá agilní metodiky, zejména Scrum. Bez problémů komunikuje v angličtině, kterou denně používá.

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