Сргій

Serhii Taraban
Ukraine  [open contact info](look above in the "contact info" section)  [open contact info](look above in the "contact info" section)  [open contact info](look above in the "contact info" section)
System Administrator
Experienced System Administrator with over 20 years in planning, managing and supporting IT infrastructure, achieving
high availability and performance. Expert strategic planner and forecaster, adept at understanding the business big
picture. Gained broad experience in the energy sector since 2001. Responsible for planning, installation, configuration
and optimization of complete IT infrastructure, achieving high availability and performance. Proficient in problem
solving and decision-making with a proactive approach to server and network system maintenance and support.
Continually increases personal knowledge and technical skills to advance abilities.
Skills
 System Administration: Windows, Linux, FreeBSD  Server Management: Installation, Maintenance
 Infrastructure: LAN/WAN/VPN/Cloud/VMware/Hyper-V  Disaster Recovery: HA Solutions, Veeam Backup
 Leadership: Team Coordination, Task Distribution, Mentoring  Security: AV, HIPS, FW, IPS, SIEM, SOCaaP
 Project Management: IT Policies, Procedures, Procurement  Performance: Monitoring and Analysis
 Strategy: Infrastructure Planning based on commercial goals  Technical Support: Help Desk, Troubleshooting
Professional Experience
SUMYOBLENERGO, JSC, Sumy, Ukraine
Team Lead of system administration, network and technical support, IT Administrator (2003 to 2024)
 Led a team of 4-7 administrators and technicians, ensuring efficient operation and achievement of team goals
 Developed and implemented IT policies, support strategies and processes tailored to user and business needs
 Diagnosed and resolved complex IT issues in collaboration with other IT teams
 Monitored and analyzed team performance metrics, making necessary adjustments and improvements
 Communicated effectively with users, managers, stakeholders to clearly explain technical issues and solutions
 Planned and Reported monthly to the IT Director. Planned for IT procurement
 Planned and Built geographically distributed network with 2 main data centers, 100+ servers, and 1000+ users
 Reduced downtime by 30% through the implementation of clustered infrastructure based on VMware vSphere, IBM
Blade Center, IBM DS storages, Dell PowerEdge Servers, HP Server, Cisco MDS, Veeam Backup & Replication (more
than 100 VMs: Windows, Linux, FreeBSD, virtual appliances
 Planned and deployed enterprise backup for multiple locations using Veeam Backup & Recovery
 Deployed and managed Active Directory for 1000+ users, LAN/WAN/VPN infrastructure
 Deployed and Supported mail system based on Fortinet Fortimail and Exchange Servers. Migrated from EXIM
 Ensured network security by managing firewalls and implementing best practices.
 Deployed and maintained corporate virus protection using Symantec Antivirus Server, McAfee Active VirusScan and
ePolicy Orchestrator, Kaspersky Security for business, ESET Endpoint Security and Remote Administrator
 Provided technical support for a wide range of IT issues, including computer, network, software, and printer
problems
 Maintained detailed records of support requests and resolutions
 Trained and mentored employees, ensuring they had the necessary knowledge and skills
 Stayed updated on IT trends and new technologies to provide the team with the latest support methods and tools
COMODO Security Solutions, Inc, New Jersey, United States
L3 Support Engineer (2022 to 2024)
 Provided high-level Layer 3 Technical Support for customers (Full Endpoint Security Solution, AV, Firewall, Web
Security, SIEM, SOCaaP, Service Desk, Jira, Sandbox, Cloud, MDM, HIPS, DLP, Windows, Linux, MacOS)
 Collaborated with other IT teams to resolve complex technical issues
SYNERGY AUTOMATICS LTD, London, UK
IT implementation and support (National Metrology Institute) (2016 to 2018)
 Provided IT consultancy and Technical Support (Networking with Cisco, Allied Telesis equipment, Microsoft Hyper-
V, Cloud Azure, Microsoft Windows and Linux Servers)

Kapro Sumy LLC Electra, Sumy, Ukraine
Head of Computer Center (2001 to 2003)
 Provided technical support to users, resolving issues related to hardware, software, and network
 System Administration and supporting (Microsoft Windows / FreeBSD / VMware / Networking / Security)
 Technical troubleshooting (Monitored and Resolved system crashes, slow-downs and data recovery)
 Efficiency Improvement (reduced setup time by 75% and restored files/partitions implementing Acronis True Image)
Education
Sumy State University, Master degree in Electronics (with honors)
Sumy State University, Cisco Networking Academy. Network Administration, Cisco Routing & Switching
PortaONE, Linux & Network Administration
Participation in professional conferences, trainings and seminars
Languages
 English (Upper intermediate)  Russian, Ukrainian (fluent)