EdgeCenter is an international cloud provider with 150+ points of presence across Russia, the CIS, and 5 continents, offering cloud services, hosting, cybersecurity, media platforms, and CDN with latency as low as 30 ms.- Managed support for OpenStack clusters across 8 regions, overseeing more than 5000 virtual machines and over 250 bare metal servers.- Implemented Infrastructure as Code (IaC) adjustments using kolla-ansible and Terraform.- Enhanced CI/CD pipelines and optimized Ansible scripts.- Created customized OS images using diskimage-builder for automated deployment and testing purposes, including public image distributions.- Diagnosed, troubleshooted, and resolved customer issues while providing support.- Configured monitoring solutions including Consul, Prometheus, Alertmanager, and Pushgateway.

DataLine is a leading provider of TIER III data center services in Russia, operating a network of 8 data centers with over 4800 racks.- Managed and developed a public cloud infrastructure based on OpenStack.- Implemented cloud testing with tools like Tempest and Rally.- Deployed and integrated additional OpenStack components (Octavia, Barbican, etc).- Engineered new cloud installations utilizing the Kayobe project (Bifrost + kolla-ansible) with the OVN neutron plugin.- Adjusted deployment processes to support offline environments utilizing Pulp.

The international company Luxoft, part of DXC Technology, provides bespoke technology solutions for global customers, combining engineering excellence with deep industry expertise; with over 18,000 employees in 44 cities and 21 countries.- Provided support for private clouds utilizing Mirantis OpenStack versions 7 and 8.- Successfully migrated controller server to new hardware.- Expanded cloud capacities by provisioning additional compute nodes.

ITKey operates in the professional services, system administration outsourcing, and DevOps market, specializing in the design and maintenance of public and private clouds based on open-source projects.- Successfully led the deployments of OpenStack using openstack-ansible, configuring network backends including LinuxBridge and Open vSwitch (OVS).- Deployed service region with Ironic for provisioning bare metal servers.- Provided expert technical support and customer service for OpenStack clusters.- Automated routine tasks using bash and Python scripting.

The international company Luxoft, part of DXC Technology, provides bespoke technology solutions for global customers, combining engineering excellence with deep industry expertise; with over 18,000 employees in 44 cities and 21 countries.Work on the project in a large investment bank. - Support of multiple applications related to identity management.- Technical support for users.- Configuration of the monitoring system.- Maintenance of an up-to-date knowledge base.- Scheduled software upgrade tasks.

Yota, Russia's largest LTE operator, was the first to launch LTE and test LTE Advanced. Serving over 100 cities, Yota leads in wireless broadband for end users, while Yota Networks manages 4G infrastructure.- Provided end-customer support through helpdesk services.- Set up, administered, and maintained BSS-shared systems.- Collected and transmitted logs and data for code bug resolution.- Performed on-call duties, managing incidents, core systems monitoring, and night-time scheduled maintenance.- Supported the entire release lifecycle, from system operations and availability (SO/AV) to production deployment, collaborating closely with business analysts (BA), developers, quality assurance (QA), and configuration managers (CM).

Devexperts develops advanced software for the Capital Markets, serving brokerages, exchanges, and financial institutions globally. With a team of 800 engineers, they specialize in trading platforms, market data products, and consulting, delivering high-performance, reliable solutions using Agile methodologies.Project Support: Trading Platform for Financial Products (Forex, CFDs, Futures, etc.):- Provided Level 2 customer support.- Performed system support and configuration.- Conducted weekly full system health checks.- Analyzed system logs for issue identification and resolution.- Managed customer communications via phone and messaging platforms.