← Back to list
Registration: 23.04.2024

Oleg Syrokov

Skills

Personnel management
Cisco
Linux
Mac Os
TCP/IP
DHCP
LAN
Setting up DNS
Backup
Teamwork
Active Directory
Windows Server Administration
Hyper-V
System administration
Network equipment administration

Work experience

System Administrator
07.2023 - 02.2024 |JSC NEPT
1C, DMZ, DC, DHCP, DNS, Kerio, Hyper-v, Zabbix, Synology, File server, Print server, RDP server, Mail communigate pro, Consultant, Technical expert Kaspersky security center, HASP server, 2fa server (multiotp)
● The management of the technical support department is 2 people directly subordinate. ● Close work with the system administrators of two large branches ● 2000 employees. Responsibilities: ● Administration of 1C, DMZ, DC, DHCP, DNS, Kerio, Hyper-v, Zabbix, Synology, File server, Print server, RDP server, Mail communigate pro, Consultant, Tech Expert, Kaspersky security center, HASP server, 2fa server (multiotp). ● Routine maintenance, failure prevention and minor repairs of computer and office equipment. ● Performance of works aimed at ensuring uninterrupted operation. IT infrastructure. ● Performing preventive maintenance, testing, and scheduled replacement. ● IT infrastructure support. ● User support (Consulting, training, upgrade, replacement of equipment). ● Server support (upgrade, replacement, new ones, installation, configuration, etc.). ● Network support both in the office and in branches. ● Configure kerio and Mikrotik VPN. ● Configuring and replacing sip IP telephony. Yealink + mango. Completed cases: ● Installation and configuration of Kaspersky security center with detailed settings of rights, restrictions and protection methods. What has been done: 1) Purchase of 1200 licenses for Kaspersky Endpoint Security. 2) Setting up the administration server. (Software whitelist, Limitation of external devices, fine-tuning of user and administrator rights). 3) Setting up automatic agent and antivirus packages. 4) Periodic analysis of logs. 5) Setting up 2FA for the IT department. 6) Vulnerability testing for hacking. ● Installation and configuration of a DMZ + RDP farm + 2FA protected environment: 1) Setting up a demilitarized protected Zone (DMZ). 2) Installation and configuration of the RDP farm and its backups. 3) Configure the kerio + Mikrotik DMZ VPN network. 4) Installing a 2FA server, configuring 2FA for users. ● Installing and configuring Kerio Gateway + kerio VPN: 1) Installation of a software-based physical gateway based on kerio control. 2) Configure kerio VPN for users from other branches to log in (including restricted login, to a specific IP address). ● Installation and configuration of Mikrotik VPN tunnels for branches. ● Purchase, installation and configuration of new servers 10 new servers: 1) Configuring DC, DMZ, Mail, File server, 1c, backup, reserve server servers. ● Installing and configuring secure backups based on synology 3621 and 4021 according to the terms of 321: 1) Purchase, installation, upgrade after purchase and configuration of Synology RS3621 and RS4021 (x2). 2) Configuring multiple RAID6 groups on btrfs. 3) Configure and schedule backups using the acrive backup for business agent, including Hyper-v. 4) Configuring replication from 3621 to 4021 and to 4021 with built-in tools. 5) Failover and full, partial and instant recovery. ● Installation and configuration of new 1C servers: 1) Purchase, installation and transfer to the automation department. ● Installation and configuration of two backup servers: 1) Purchase, install and configure replication to these servers from the main ones. ● Installation and configuration of a new file server with NTFS rights transfer. ● The planned transition to astra linux. ● Installation and configuration of 2 physical and 1 virtual DC servers, as well as 4 physical ones in branches: 1) Complete replacement of DC servers, with the transfer of FSMO roles. ● Configuring Hyper-V dual replication, including by certificate.
ACTING Director of IT
09.2021 - 07.2023 |S.F. Bondarchuk Film School LLC
Cloud services, amoCRM, LAN
The learning environment and the S. F. Bondarchuk Film School (affiliated companies). ● Management of the IT department in total in two affiliated companies 2 admins + technical support of 3 people. ● 200-240 employees. Responsibilities: ● Administration and management of DNS, DHCP, AD, Wi-Fi, Amocrm, Wazzup, Mango Office, SIPuni, Tilda, Reg.ru , G-suite, nic.ru , FTP, Rusguard ACS. ● G-suite administration. ● Wazzup administration. 1) Setting up integration with amoCRM, changing the tariff, avoiding the multiplicity of channels and setting up rights for the OP. ● Management of the IT department in total in two affiliated companies 2 admins + technical support of 3 people. ● Administration of Yandex business LC. ● LAN administration. ● Server administration. ● Administration of cloud services. ● 200+ employees. Completed cases: 1) Reconfiguring mango + amo. 2) Cost reduction of mango, wazzup, amo - 1.4 times. 3) Moving to a new office with all the consequences (laying a twisted pair, connecting cameras, installing and configuring workplaces, configuring an Internet gateway, wifi and ACS networks). 4) 70% replacement of the vehicle fleet. 5) Improvement, acceleration of the work of employees, conducting training and consulting.
Senior System Administrator / Acting Director of IT
05.2020 - 07.2023 |LLC Learning Environment
Mikrotik, Unifi, Cisco, HPE network equipment
● Management of the IT department in total in two affiliated companies 2 admins + technical support of 3 people. ● 400+ employees along with teachers. Responsibilities: ● DNS administration and management, DHCP, WiFi Unifi, PS, Amocrm, Wazzup, Mango Office, SIPuni, Tilda, Reg.ru , G-suite, nic.ru , FTP; Amazon cloud. ● Selection and purchase of necessary software, PCs, Equipment, etc. ● Analysis of the work of other departments of the company to develop tools to simplify and accelerate their work. ● Server administration. ● Network storage administration. ● Administration of Mikrotik, Unifi, Cisco, and HPE network equipment. ● Several facilities and offices in Moscow, Moscow region, Kazakhstan. ● Office administration, preparation for planned relocation. ● Purchase, setup, install applications and test them on Oculus VR. ● The process of helping employees move to remote work. ● Organization of IT processes at the exhibition "Center for Contemporary Art Winery 2022". ● Temporary replacement of the IT director in the affiliated company "S.F. Bondarchuk Film School LLC". Gained experience in: ● Optimization of IT costs. ● Optimization of companies' expenses in terms of purchases, services, etc. ● Analysis and identification of problems with the distribution of calls and the quality of communication. Prompt response and transfer of the problem to the contractor. ● Drawing up a plan and proposals for migration to other alternative services, identifying the pros and cons. Providing a plan and report to management. ● Analysis and withdrawal or search for a replacement from unnecessary/outdated services that slow down or reduce the company's profit and development. ● Development of solutions and services for the convenience and acceleration of the work of all departments of the company. ● Recruitment and training of IT department employees. Completed cases: 1) Reconfiguration of mango + amo, an increase in profit by 1.1 times. 2) Cost reduction of mango, wazzup, amo - 1.4 times. 3) Moving to a new office with all the consequences (laying a twisted pair, connecting cameras, installing and configuring workplaces, configuring an Internet gateway, wifi and ACS networks). 4) 50% replacement of the vehicle fleet.
Support consultant 3rd line
05.2018 - 04.2020 |X5 Retail Group
Linux Debian
Support for the Tobacco project. Responsibilities: ● Search, analysis and elimination of problems with the operation of scanners, operating systems, drivers. ● Firmware (manual scanner training). ● Log analysis. ● Search for the causes of cash register malfunctions. ● Create a plan to reduce the number of incidents and problems. ● Writing requirements and/or tasks to reduce the number of incidents and problems. ● Setting tasks for SIS engineers to eliminate problems in the operation of cash registers, shops and individual equipment. Gained experience in: ● Working on Linux Debian. ● Working with logs. ● Setting tasks for related departments.
Lead System Administrator
11.2017 - 05.2019 |Stroypromavtomatika CJSC
CISCO, DNS, DHCP, AD, Exchange, Print Server, Terminal Server, VMware
● Management of a 3-person department. ● 400 employees. ● Several facilities and offices in Moscow and the Moscow region. Responsibilities: ● Administration and management of DNS, DHCP, AD, Exchange, Print Server, Terminal Server, VMware. ● Administration and support of network equipment. ● Video surveillance administration. ● Network storage administration. ● Setting up bank clients for accounting. Gained experience in: ● Budget planning for the year. ● Ordering orders for components, PCs, servers, consumables and other equipment. ● Deployment of a unified Wi-Fi network (ubiquiti) from scratch. ● Setting up a VPN between the main office and construction sites via CISCO. ● Network deployment in the field at construction sites. ● Deployment of video surveillance at construction sites. ● Setting up a QNAP backup. Completed cases: 1) Full configuration of the Kaspersky anti-virus system. 2) Setting up a semi-manual QNAP backup.
System Administrator / Senior System Administrator
11.2014 - 10.2017 |Witte Moscow State University
AD, DNS, DHCP, Exchange, Terminal Server
● Approximately 550 employees. ● Several facilities and offices in Moscow and the country. In this educational institution, I went from a system administrator to a senior system administrator. Unfortunately, the university's security policy does not allow you to study and work in the IT department, because there is full access to classified information (term papers, theses, tickets, etc.). Responsibilities: ● Administration of Microsoft Windows XP-8 macOS user PCs. ● Hyper-V administration. ● Administration and management of AD, DNS, DHCP, Exchange, Terminal Server. ● LAN administration and support (from pulling new sockets to installing network equipment). ● Cisco administration. ● Administration of the company's computer network and servers (Windows server 2003/2008/2012). ● Working with Bitrix24, Help desk. ● Maintenance of office equipment. ● Technical support and training of the company's employees. ● Assembling, installing, configuring, and repairing computers. ● Maintenance of server equipment. ● Installation of network equipment. ● Setting up and maintaining servers. ● Installation and configuration of video surveillance. ● Gained a lot of initial experience in administration. I learned basic skills. Completed cases: 1) Complete replacement of analog cameras with IP cameras. 2) 35% replacement of the vehicle fleet. 3) Eliminated the long-standing failures in the operation of the print server. 4) I got acquainted and set up a WIFI network on Unifi.

Educational background

Applied Computer Science
Till 2022
Witte Moscow State University
Management of small and medium-sized businesses
Till the present day
Witte Moscow State University
Managing the development of corporate information systems
Till the present day
Witte Moscow State University

Additional education

Process equipment adjuster
Till 2015
KIGM No. 23 - PC No. 19
Effective use of the Internet for business support and development. Computer for the enterprise
Till 2011
NACHOU VPO Modern Humanitarian Academy

Languages

RussianNative