Aleksandr Tregub Email & Phone Number

United States

• 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.

Dubai, United Arab Emirates

• 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.
• 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
• Worked closely with the team to maintain high test suites pass rates and quickly resolve emerging issues. Show less

Saint Petersburg, St Petersburg City, Russia

• 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
• 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.

Saint Petersburg, St Petersburg City, Russia

• 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.

Greater New York City Area

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.

Saint Petersburg, St Petersburg City, Russia

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.

Saint Petersburg, St Petersburg City, Russia

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.

Saint Petersburg, St Petersburg City, Russia

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.

Saint Petersburg, St Petersburg City, Russia

• 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
• 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

Master’S Degree, Photonics And Optical Information Technologies, 4

Activities and Societies: Kyokushin Karate Defended Master's Degree thesis, dedicated to the topic of "Excitation, propagation and.

Bachelor’S Degree, Photonics And Optoinformatics, 5

Defended Bachelor's Degree thesis, dedicated to the topic of "Thin-film optical switches based on diluted magnetic semiconductors".