• Maintained and developed the company's infrastructure.• Troubleshot existing CI/CD processes and developed new ones.• Improved monitoring and alerting coverage.• Supported solutions for company customers.• Provided helpdesk support for colleagues.

• Collaborated with Development, QA, DevOps, and IT as a member of the Acceptance Testing team within Megafon’s Quality Control Center (a leading mobile operator) to support staging environment for the Quality Gate requirements.• Coordinated the deployment of new products, ensuring smooth integration and operational efficiency.• Participated in Quality Gate sessions to assess and approve products for deployment into production.• Worked closely with the team to maintain high test… Show more • Collaborated with Development, QA, DevOps, and IT as a member of the Acceptance Testing team within Megafon’s Quality Control Center (a leading mobile operator) to support staging environment for the Quality Gate requirements.• Coordinated the deployment of new products, ensuring smooth integration and operational efficiency.• Participated in Quality Gate sessions to assess and approve products for deployment into production.• Worked closely with the team to maintain high test suites pass rates and quickly resolve emerging issues. Show less

• Participated in the development of the Release Stands project, allowing rapid cloning (based on OpenStack) of production environments for testing and Quality Gate Control.• Deployed, implemented, and managed dozens of products within staging stands using a proprietary Ansible framework, reducing the gap between staging and production.• Provided extensive statistics on freed-up resources and reduced operational costs across dozens of staging release stands.• Maintained CI/CD… Show more • Participated in the development of the Release Stands project, allowing rapid cloning (based on OpenStack) of production environments for testing and Quality Gate Control.• Deployed, implemented, and managed dozens of products within staging stands using a proprietary Ansible framework, reducing the gap between staging and production.• Provided extensive statistics on freed-up resources and reduced operational costs across dozens of staging release stands.• Maintained CI/CD processes and developed TeamCity/Jenkins pipelines for deploying monitoring tools across stands.• Developed a tool (using Python, psutil and ETCD) for automated data collection and monitoring of newly deployed products, supporting hundreds of standalone applications in staging environments.• Developed a monitoring solution for tracking discrepancies in product versions between production and staging, aimed at quickly identifying mismatches.• Designed a metric aggregation tool to consolidate key metrics into a single critical status indicator for staging stands, simplifying status reporting. Show less

• Maintained smoke test suites, resolving dozens of critical tests with Python and Robot Framework.• Provided system administration and monitoring support, ensuring reliable and efficient testing environments.

Resolved client issues within a SaaS VoIP environment on OpenSUSE and Sippy Softswitch platforms, handling system configuration, diagnostics, and resolution, as well as monitoring system health using Zabbix.

Retained numerous clients for the company by attentively addressing complex situations and consistently achieving strong KPIs, processing over a hundred tickets daily on diverse issues such as 4xx/5xx errors, network glitches, database management, DNS records administration, website migration and configuration, and resolving abuse cases.

Provided customer support by managing requests for virtual hosting, VDS/VPS, CMS, SSL, and domain registration via Redmine, email, and live chat, thus enhancing service delivery. Earned a promotion to a Level 2 technical support position.

Provided support for VK social network users by resolving technical and administrative issues, reporting problems to the bug-tracking system, and handling specific requests such as legal inquiries and access problems.

• Collaborated with a team to research new methods of excitation the local electric field of terahertz waves using inhomogeneous properties of electromagnetic waves.• Set up and tested the installation of laboratory terahertz near-field microscope.• Got unique results of first research of THz radiation quantum tunnelling when the total internal reflection in the silicon prism is violated by a THz probe of a near-field microscope.• Defended Master's Degree thesis, dedicated to the… Show more • Collaborated with a team to research new methods of excitation the local electric field of terahertz waves using inhomogeneous properties of electromagnetic waves.• Set up and tested the installation of laboratory terahertz near-field microscope.• Got unique results of first research of THz radiation quantum tunnelling when the total internal reflection in the silicon prism is violated by a THz probe of a near-field microscope.• Defended Master's Degree thesis, dedicated to the topic of "Excitation, propagation and detection of inhomogeneous electromagnetic waves in the terahertz range" being student of ITMO University. Show less