dmitry shur

Creation of solution architecture design, including integration schemes and call flows. Installation and integration of pilot/demo zones/proof of concepts. Preparation of business and technical proposals, preparation of complex business cases considering all expenses and revenues, preparation of responses on RFI/RFP from potential customers, statements of compliance. Customer requirements analysis and preparation of functional requirements for developers based on business requirements. Presentations and trainings for customers. Technical leadership of web­communication product based on software developed by 3rd party vendor. Creating end to end solution. Integration of solution on partners' networks and its configuration, troubleshooting, improving product together with vendor. Preparing technical documentation (system guide, integration schemes). Integration of RCS­alike solution (VoIP calls over SIP/RTP with presence and messaging based on XMPP and online charging based on DIAMETER DCCA) into customer’s network. Developed online charging logic over DIAMETER on groovy.

3rd line technical support of different systems developed by company ­ RCS­alike solution (Multifon), service delivery platform, PCRF and others. Analysis and troubleshooting of issues escalated by 2nd line support/O&M. Interaction with developers for solving most complicated problems/bugfixing. Performing system scaling, including local network redesign/integration of Cisco 76XX and CSG. Installation of new software, system configuration. Integration of Cisco CSG acting as DPI/PCEF with PCRF over proprietary protocol. Integration with Vodafone 360 platform over HTTP.

* Second line support engineer for VAS services platform * Duties: * System operation and maintenance * Troubleshooting * Installation of software

* Second line support of SDP platform for MTS. * Duties: * System operation and maintenance * Solving problems escalated by 1st line engineers * IOT with newly connected systems (IN platforms, SMSC, MMSC, content providers) * Testing new functionality before launch * Installing new versions of software provided by vendor * Solving tasks from customer * Interaction with vendor’s 3rd line support * Achievements: * Besides main duties developed statistics subsystems that processed CDR written in Perl.

* Duty engineer in support team of mission critical SDP platform in MTS. * Duties: * System monitoring * Troubleshooting * Testing services before launch in commercial operation * Provisioning of new services * Achievements: * Gained experience in linux administration,mysql and networking.

* Creating and supporting IT infrastructure. * Duties: * Designing and deploying IT services architecture (DHCP, DNS, mail, SIP telephony, LDAP authentication, jabber etc.) * Network design * Network support * Managing VPN tunnels towards customers and branch offices * Support of IT services * Setting up monitoring system * Achievements: * Designed IT services and network infrastructure from scratch, considerably enhanced IT processes in company.

* Managing outsourced technical support operation and maintenance team of 5 persons for MTS mission critical system * Duties: * Task control * Organization of duty team * Interaction with customer * Interaction with vendor * Solution of most complicated problems * Achievements: * Performed reengineering of processes in team, prepared set of regulating documentation, implemented task management system.

* Have been engaged in acceptance testing of mobile operator (GSM) before commercial launch. * Duties: * Billing subsystem testing (charging, tariff plans), * VAS services testing (SMS and voice), * 3G subsystem testing * Assistance in radio subsystem testing * Writing test cases * Achievements: * Gained experience about GSM mobile operator’s subsystems and their interaction. * Extended experience in writing test cases

Creation of solution architecture designs, statement of works. Preparing replies on RFx documents from potential customers. Installation and integration of demo proof of concepts (Deployment private cloud based on Openstack with IMS core as VNF, virtual SIP AS with CAMEL interaction towards IN platform etc.), participation in integration projects both as solution architect and integration engineer with hands-on responsibilities (solutions integration and deployment).