Sergej Kalenichenko

DevOps Engineer/Big Data Infrastructure Developer at Exacaster

Sergej Kalenichenko has extensive experience in the field of DevOps and infrastructure development. Sergej began their career as a Banking System Analyst at Forbis in 2012 and later worked as an ETL Application Analyst at Barclays Group Operations Limited in 2014. In 2015, they transitioned to the role of a Big Data Analyst at the same company.

In 2016, Kalenichenko joined Exacaster as a Linux/Hadoop System Administrator, where they were responsible for the deployment and ongoing administration of Hadoop infrastructure. Sergej also played a key role in maintaining the environment using Ansible playbooks and implementing version control and CI/CD processes through GitLab.

In 2020, they worked as a DevOps Engineer at Vegvisir UAB, collaborating with the Development Team on multiple projects and taking charge of AWS infrastructure, monitoring, alerting systems, and code deployment processes. Sergej also configured CI/CD pipelines for Bitbucket and CodePipeline.

Later in 2020, Kalenichenko joined NFQ as an Operations Engineer, where they excelled in migrating on-premise K8s clusters to AWS EKS and supporting AWS infrastructure and environments using Terraform. Sergej also played a role in provisioning infrastructures through Ansible and Chef cookbooks.

In 2021, they joined Railsbank as a DevOps Engineer, leading the project implementation from scratch and deploying k8ssandra on AWS EKS. Sergej provided DevOps support to the Developers Team, improved infrastructure, and collaborated with team members on internal infrastructure enhancements.

Currently, Kalenichenko is working at Exacaster again, this time as a DevOps Engineer/Big Data Infrastructure Developer. Further details of this role and its duration are not provided.

Sergej Kalenichenko completed their education in a chronological manner. Sergej pursued a Bachelor's degree in Technomathematics from Vilnius Gediminas Technical University from 2008 to 2012. In addition, they also attended the Free University of Bozen-Bolzano from 2010 to 2011, where they obtained another Bachelor's degree in Computer Science. Afterward, they went on to complete a Master's degree in Engineering informatics from Vilnius Gediminas Technical University from 2012 to 2014.

Sergej Kalenichenko also obtained a certification called "Cloudera Custom Training for Apache Hadoop," although the details regarding the institution, month, and year of accomplishment are not provided.

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