Dmitrii Petrov Email & Phone Number

Saint Petersburg, Ru

St Petersburg City, Russia

Пермь, Пермский Край, Россия

Main tasks:Operations management, budgeting, planning and organisation of project work, maintenance and service planning.Experience of managing a team of up to 9 people;Team technology stack:MS Azure, Yandex.Cloud, Jenkins, K8s, ELK, RabbitMQ, MongoDB, Docker, nginx , SAP Basis, 1C, Helm; Commvault, Veeam; MS O365, MS Exchange; MS Services: DNS, DHCP, ADDS, ADFS, RDS, DFS; IpSec; Terraform, ELK; Prometeus, MSSQL, PostgreSQL, MongoDB; Apache, NginxStorage: NetApp, IBM, HPNetworking equipment: Juniper, Cisco; Some of the activities in which the unit was involved:- Design, implementation and maintenance of 1C:Enterprise landscapes, for 1C:ERP in Yandex.Cloud.- Migration and maintenance to Yandex.Cloud landscape of SAP HCM systems.- Supporting the development and maintenance of the company's product: BI system for management decision making on the basis of financial and production data of the enterprise;- Supporting the development and maintenance of the company's product: a SaaS service for checking counterparties and document flow between them - "Kontragent.io".- Development of IT infrastructure of the enterprise: Implementation of Exchange 2019, Office 365, Azure Active Directory, planning and organisation of network connectivity, building VPN service, Microsoft Remote Desktop Services remote access systems, general infrastructure and user support.- Deployment and step-by-step support of the electronic document management system DirectumRX from version 3.4 to 4.2.

The main tasks in the position:Everything I used to do in this company but without the managerial part.What I am doing now:- As decided by the company, moved internal branch network to own equipment and am currently documenting and fine-tuning maintenance services such aфs: automated backup of equipment configuration, logging, authentication.- We are testing and deploying OpenNebula.

Perm, Russia

Building a CDN and setting up a K8s development environment. We also built a distribution point for 100+ Gbps traffic using custom builds of high-performance routers based on vpp and dpdk.

Москва, Россия

Main task for the position: Maintaining the company's server and network equipment and system-wide infrastructure.Participation in projects:- Implementation of Oil&Gas model company based on SAP S/4Hana 1809 in Microsoft Azure cloud- Implementation of DirectumRX 2.7 electronic document management system.- SAP migration to MS Azure.Certificates and courses:- 70-535 Architecting Microsoft Azure Solutions;- 70-533 Implementing Microsoft Azure Infrastructure Solutions;- SAP workload deployment course in MSAzure by Jan Tretina.

Perm

A small company which provided customers with services:- organisation of secure local networks, encrypted transmission channels and Internet access; control and filtering of network traffic;- subscription-based corporate email and anti-virus services;- design and maintenance of internal services, server systems, virtualization clusters;- maintenance of user workstations and outsourcing of user support services.Experience:- Carrying out installation and maintenance work in server and telecommunication rooms.- Maintenance of server equipment and storage systems.- Development of wired 802.1x secured networks: testing of new equipment and new versions of access equipment firmware prior to commissioning, configuration and installation of access layer network equipment.- Development of centrally managed wireless network, wireless network coverage planning, preparation for installation of wireless access points.- Administration of NPS policy server.- Troubleshooting, operation of network access equipment. Collection of traffic dumps and subsequent analysis. Experience troubleshooting problems on customer infrastructure serviced by multiple contractors.- Management of internal mail system.- Management of access control lists on IBM Proventia, Cisco FirePower, ViPNet Coordinators.- Maintenance and development of VPN networks based on Infotecs technologies.- Supporting users of the company's services.Achievements:- Based on ELK stack, prepared solution to implement centralized logging of network equipment, which improved trabshooting efficiency.- Initiated implementation of the GLPI-based equipment inventory system, resulting in a complete list of equipment with mapping of links between network interfaces, which allowed for quicker diagnosis and troubleshooting of services.- Implemented an rspamd-based spam filtering system on the back-end mail service, which reduced the amount of spam received by the service users.

Perm, Russia

What did I do?- Maintained a VmWare vSphere cluster (v4.1-5.0) and a Vyatta virtual router.- Built an openfiler based data storage for a customer.- Prepared and transferred Windows\Linux virtual machines to users.- Prepared environment for developers with Apach Haddop components: HBase, Hive with Thrift API support. - Maintained Apach/Nginx based web hosting.- Advised technicians and maintained customer mail server based on Exchange 2013.- Deployed test environments: OpenStack, Ganneti.

Perm, Russia

Started as a technician, ended up as a branch office system administrator successfully performing the duties entrusted to me.- Maintenance of infrastructure based on Microsoft products;- maintenance of user workstations;- user support;- accounting and control of software usage;- development of anti-virus protection measures;- traffic and Internet access control;- maintenance of the mail system;- maintenance and renewal of the equipment fleet and interaction with service organisations for warranty and post-warranty maintenance;- participation in the development of regulatory documentation.Achievements:- Identified a significant discrepancy between the real situation and the information on fixed assets on the balance sheet by organizing automated collection of information on the hardware and software in use.- Minimised the impact of malware on operations by establishing restricted usage policies and central management of anti-virus software.- Increased staff competence and speed of advice by quickly training people on relevant tasks using mirror VNC connectivity.- Reduced the impact of hardware failures on the production process by providing up-to-date reporting, thereby assisting in the renewal of the organisation's computer fleet.- Improved risk management by implementing software monitoring and reporting, as well as ensuring strict compliance with software licensing policies.