- L1, Duty admins- L2, Applications support- DevOps- MLOps- DBA- Enterprise ITBudget.Vendor management.IT procurement.

Manage platform support department, 6 teams, 35 platforms, 21 peoples in distributed teams:- Telecom API (BigData services),- Messaging (SMSC, MMSC, FW & Antispam),- Signalink (DMS, OTA, USSDC, OSP and 15 applications, DSTK),- Multimedia (RBT, VMS),- Location (LBS, CMPS),- Budgeting and manage set of support contracts.Negotiations and vendor management.

Project management for billing platforms development: transferring 2 live systems to new data centers under traffic, expanding capacity, upgrading infrastructure and applications, creating a platform for geo-redundancy.Negotiations with vendors regarding the scope of professional services and the composition of the required equipment. Optimization of the composition and cost of projects.• 5 projects were successfully completed at 10 sites (from St. Petersburg to Khabarovsk).• As a result of modernization, 139 racks were vacated.• The project of transferring Rostov billing to a new data center is optimized at a price of 40%, successfully completed on time under load.

Research of data sources (counters, logs, DB, ... of mobile network elements); preparing ETL algorithms; creating KPI, KQI, SAI formulas; data analysis and Network health reporting.Deep analysis of branches during technical audit.Responsibility area are Russia, 6 countries of CIS, Cambodia and Vietnam.Tools: SAP BusinessObjects, SQL, Oracle DB, Excel, shell scripts.

Manage 2 support teams: 1. PrePaid billing and VAS2. PS Core ans CS CoreData center was 400 square metres with ingeneering infrastructure (power systems, air conditioners, ventilation) and other.