Responsibilities:-Main Russian local support engineer for Beeline VoLTE and fixed IMS project;-Technical support for foreign customers such as Vodafone Germany;-Providing IMS network and VoLTE/Fixed services support based on Mavenir product;-Covering P-CSCF, I/S-CSCF, AS, MRF, DNS, Monitoring system products;-All Mavenir software upgrades and configuration changes implementation;-Nodes installation and configuration from the scratch on KVM/VMware solutions;-VM Linux OS upgrades;-Supporting new IMS nodes integration and testing;-Investigating and resolving all customer problems within the contracted SLAs;-Working with R&D teams to resolve technical problems;-Providing focused technical expertise to customers;-IMS NFV 3.0 project development.Achievements:-Launched and supported VoLTE service for 1 million subscribers;

-Main support engineer for Beeline VoLTE and fixed IMS project;-Providing IMS Network support for VoLTE/Fixed services;-Integration and testing of new services or call scenarios;-Resolving service trouble request from customer;-KPI analysis.

-Working in Technical Assistance Center;-Participation in GLONASS, Russian Railways, Gazprom telecommunication projects;-Providing support and implementation of CS/PS core network change operations;-Performing resolving service trouble request from customer;-Performing network audit.

Mobile network operator project-Providing management and maintenance MSC, MGW, STP, HSS, SOSM;-Implementing trouble ticket resolutions;-Performing analysis of network needs and evaluating network hardware and software capabilities;-Assisting in the testing of new solutions and implementations in the area of network.

Mobile network operator project-Providing management and maintenance Softswitch, MGW, PBX, IAD;-Providing remote troubleshooting support for Fixed Core Network and Access Network;-Implementing trouble ticket resolutions.

-Troubleshooting and repairing support for ETTH, xPON, xDSL, PSTN access networks;-Configurating access network equipment (routers, optical network terminals, wi-fi access points, xDSL modems).