Aleksandr Suslov Email & Phone Number

Yekaterinburg, Ru

Yekaterinburg, Russia

Functions: migration of monolithic VoIP applications to a Kubernetes-based multicluster microservice architecture using AWS (Amazon), OCI (Oracle) and MS Azure cloud infrastructure, deployment automation via Ansible + Terraform and Helm.Achievements:• system and network settings of SBC servers have been performed to bypass restrictions on the number of TCP and TLS connections;• TLS/SSL certificate system and HTTPS and SIP/TLS protocols have been implemented in the public services… Show more Functions: migration of monolithic VoIP applications to a Kubernetes-based multicluster microservice architecture using AWS (Amazon), OCI (Oracle) and MS Azure cloud infrastructure, deployment automation via Ansible + Terraform and Helm.Achievements:• system and network settings of SBC servers have been performed to bypass restrictions on the number of TCP and TLS connections;• TLS/SSL certificate system and HTTPS and SIP/TLS protocols have been implemented in the public services of Kubernetes clusters;• Kubernetes operator/controllers have been developed on Golang to operate and update SBC certificates;• flexible HA solution based on Istio service mesh was implemented for public and private web services, additional functions of active health check and rate limiting were implemented using Envoy;• Kubernetes network security solutions have been implemented: OIDC authentication (based on IdP Keycloak and SSO Microsoft Entra ID), RBAC Authorization, k8s audit;• addition to the solution for collecting and aggregating logs via Fluentbit and Grafana Loki for auditing k8s has been implemented;• principles and examples of cluster resource allocation for AD/FD cloud infrastructure have been developed when deploying applications (balance between redundancy and cost of resources);• an application has been developed to automatically search for "junk" cloud resources in OCI and delete them;• k8s logs transfer to an external Sawmill server has been implemented using Kafka broker. Show less

Yekaterinburg, Russia

Functions: • managing and ensuring uninterrupted operation of mobile packet switched core (PS Core) equipment for subscribers of the virtual operator MVNO Rostelecom within the Russian Federation;• analysing and processing MVNO incidents, developing and updating technological maps for the 1st and 2nd levels technical support lines regarding MVNO-related issues, collecting and processing available PS Core statistical data in terms of traffic on the Rostelecom network and data from the… Show more Functions: • managing and ensuring uninterrupted operation of mobile packet switched core (PS Core) equipment for subscribers of the virtual operator MVNO Rostelecom within the Russian Federation;• analysing and processing MVNO incidents, developing and updating technological maps for the 1st and 2nd levels technical support lines regarding MVNO-related issues, collecting and processing available PS Core statistical data in terms of traffic on the Rostelecom network and data from the systems of Tele2's base operator;• organizing and conducting of laboratory tests for CPE equipment, routers, modems with mobile communication channels, preparing user instructions;• development and implementation of technical solutions for client schemes based on L2 and L3 VPN virtual private networks using dedicated mobile network APNs.Skills:packet data transmission technologies, data transmission networks, Nokia routing and PS Core equipment and solutions, Huawei and Juniper backbone equipment, cloud infrastructure and NFV (network function virtualization) services, containerization, update integration, logging and monitoring, working with subscriber databases at the PS Core and billing systems level. Show less

Yekaterinburg, Russia

Functions:• developing of service procedures for warranty and post-warranty technical support of the equipment sold;• information and expert support of the partner network in terms of equipment;• writing technical documentation for the company's own developed equipment;• implementation and support of cloud telephony, service management system (Service Desk);• repair of faulty equipment.Skills:cash register systems and software, fiscal data, ITIL-based service… Show more Functions:• developing of service procedures for warranty and post-warranty technical support of the equipment sold;• information and expert support of the partner network in terms of equipment;• writing technical documentation for the company's own developed equipment;• implementation and support of cloud telephony, service management system (Service Desk);• repair of faulty equipment.Skills:cash register systems and software, fiscal data, ITIL-based service depatrment organization,cloud telephony (Mango Office + MT), Service Desk (Naumen BPM Online),3D design of SolidWorks, 3D printing of Arduino, Repetier-Host, Slic3r..., organization of logistics schemes for remote service and warranty service. Show less

Yekaterinburg, Russia

Functions:• organizing the construction and modernization on channel and packet switching systems and network platforms for the MTS mobile network in the Ural Federal District and the Perm Region;• commissioning new telecom objects and extensions to regulatory authorities;• maintaining a CAPEX and OPEX budget expenses;• interacting with technical departments of other telecom operators for interconnections organization;• participatng in the implementation of operational… Show more Functions:• organizing the construction and modernization on channel and packet switching systems and network platforms for the MTS mobile network in the Ural Federal District and the Perm Region;• commissioning new telecom objects and extensions to regulatory authorities;• maintaining a CAPEX and OPEX budget expenses;• interacting with technical departments of other telecom operators for interconnections organization;• participatng in the implementation of operational investigative measures (SORM) systems and their acceptance in the regional offices of the Federal Security Service of Russia.Skills:Ericsson SoftSwitch equipment, Cisco PGW 2200, ITP/STP, experience in project management under conditions of limited resources, interaction with regulatory authorities. Show less

Yekaterinburg, Russia

Functions:• managing and ensuring the smooth operation of the complex of equipment of the mobile communications switching center;• development and implementation of add-ons services and equipment;• technical support for international roaming;• team management (subordinated to up to 11 technical specialists). Skills:Siemens D900/1800 equipment, channel switching and SS7 protocols (ISUP, TCAP, INAP, MAP, BSP, etc.), experience in making technical and administrative… Show more Functions:• managing and ensuring the smooth operation of the complex of equipment of the mobile communications switching center;• development and implementation of add-ons services and equipment;• technical support for international roaming;• team management (subordinated to up to 11 technical specialists). Skills:Siemens D900/1800 equipment, channel switching and SS7 protocols (ISUP, TCAP, INAP, MAP, BSP, etc.), experience in making technical and administrative decisions in crisis and emergency situations. Show less

Yekaterinburg, Russia

Functions:service department management (subordinated to 4-5 people), business, accounting and internal procedures development, skilled service engineer and analyst for Xerox digital technics.

Moscow, Russia

Functions:Post-sale and pre-sale analysis in customer support programs for Xerox system equipment integration, load and using optimization, network/system administration: computer and printing equipment support, Banyan Vines servers, Novell NetWare, Windows NT.