Morozov

Gena Morozov
Date of birth: February 7, 1986 (37 years).
Objective:
Lead System Administrator
Contact Information:
Cell: [відкрити контакти](див. вище в блоці «контактна інформація») (Telegram, Viber).
e-mail: [відкрити контакти](див. вище в блоці «контактна інформація»)
Education:
2001-2006, University of Information and Communication Technologies, specializing in information communication networks.
Summary skills:
• Cloud – Aws, worked with dedicated servers and virtual machines in Hetzner, Ovhcloud, Digital Ocean, Collocall and so on.
• Administration of Windows Server 2003-2019 and Software (DNS, DHCP, GPO, AD, DFS, RDS, WSUS, Firefront TMG).
• Worked with Google workspace, Office365, Communigate Pro, Exchange, Postfix.
• Administration Unix/Linux/BSD servers based on Ubuntu, Centos, Freebsd, etc. (Dhcp, Dns, Samba, Ufw, Iptables, Pf, Squid, Lamp, Nginx, Ipsec, OpenVpn, Bind).
• Configured switches Cisco(Core level), HP, Dell, Mikrotik, Ubiquiti.
• Databases: Mssql, Mysql, Postgres, Redis databases.
• Server virtualization based on Vmware ESXI 5.5-6.7, HyperV, Proxmox.
• Monitoring - Zabbix (implementation from scratch), Netflow Analyzer.
• Antivirus - Installing the server and client software Symantec, Kaspersky, Eset.
• Familiar with VoIP telephony based on Asterisk, Oktell, Panasonic PBX.
• Used bash, powershell.
• Other: Familiar with Jira, Confluence, Bitbucket, Jenkins
• Created and maintained access control systems.
• Implemented Dahua, Hikvision video surveillance.
Work Experience:
Enterprise: Digicode Inc (Retail)
Period of work: from 2021 - 2023 (2 years)
Lead System Administrator
Administration of hybrid infrastructure in datacenters Colocall, Hetzner, Ovh, on-premise sandboxes and Aws cloud. Worked closely with devops and C-level teams.
Park of servers near 100Vms, workplaces - more than 300, team of administrators – 3.
During the work implemented:
• Participated in the global migration of critical infrastructure to the cloud.
• Reorganized infrastructure to have failover access for remote teams.
• Reduced payments for subscriptions\licenses.
• Implemented the resiliency of providing Internet and links between sites.
• Updated monitoring.

Enterprise: LLC "Vidi ASK" (Retail)
Period of work: from 2016 - 2021 (5 years)
Lead System Administrator
Administration of server, network and virtual infrastructure of the enterprise.
Park of servers - more than 100VM, workplaces - more than 700, team of administrators - 12.
Throughout the period of work, I worked closely with decision makers in other departments to identify, recommend, develop, implement and support cost-effective technological solutions for all aspects of the organization. I was engaged in the definition and implementation of IT policy by choosing the architecture and tools for solving problems.
During the work implemented:
• Implemented network segmentation with the replacement of the kernel on the Cisco 3850.
• Standardized network, reducing network latency from 600ms to 2ms.
• Conducted a complete reorganization and update of the virtual infrastructure (VMware).
• After optimizing resources, implemented a failover clusters for critical services (VMware).
• Translated all Edge Servers from FreeBSD to Ubuntu, and then to Opnsense (FreeBSD fork).
• Implemented the resiliency of providing Internet and links between sites (Opnsense).
• Implemented monitoring (Zabbix).
• Arranged Pki infrastructure.
Responsibilities:
• Operational support of enterprise infrastructure.
• Servers/network/virtualization planning, design, development, and maintenance.
• Manage tickets appropriately and escalating to other support teams, as needed.
• Communication with business representatives.
• Work with third party vendors.
• Provides technical leadership to the support team.
• Responsible for achieving industry standard SLA's for availability and response time.
• Document issues and resolutions in online runbooks.
Enterprise: Ukravtozapchastina LLC (Retail)
Work period: from 2006 to 2016 (10 years)
Head of Branch Support Department
Administration of a distributed network of branches in Ukraine. The park has more than 40 servers, more than 300 workplaces. There were 3 people in the team.
Responsibilities:
• Administration of servers and workstations.
• Automation of administration processes.
• Ensuring the opening of new branches from scratch.
• Budgeting, development plans.
• Purchase, accounting, inventory of equipment.
• Network monitoring, security, vulnerability elimination.
• Backup.
Languages:
Ukrainian - fluent, Russian - fluent, English – middle level
Personal qualities:
Proactive, sociable, always pay a lot of attention to details. I like to develop personally, professionally and to learn something new. That’s why I enjoy working on new non-standard tasks.