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Registration: 20.06.2025

Konstantin Sitnik

Specialization: Support Specialist, Junior data analyst
Motivated and detail-oriented professional with extensive experience in technical support, IT help desk services, and system administration. Skilled in troubleshooting, ticket management, and process documentation. Strong Excel user (formulas, queries, data filtering and reports), Access, MySQL basics. Currently enhancing my knowledge in Data Analysis and seeking to transition into a Data Analitics.
QA MySQL Excel Data Visualization Data Analysis Jira JSON Database Cataloguing Database administration
Motivated and detail-oriented professional with extensive experience in technical support, IT help desk services, and system administration. Skilled in troubleshooting, ticket management, and process documentation. Strong Excel user (formulas, queries, data filtering and reports), Access, MySQL basics. Currently enhancing my knowledge in Data Analysis and seeking to transition into a Data Analitics.
QA MySQL Excel Data Visualization Data Analysis Jira JSON Database Cataloguing Database administration

Skills

Excel
PowerPoint
Windows
Bitrix24
Ubuntu
Access
CRM

Work experience

IT Support Specialist
08.2005 - 01.2024 |SEC NRS
Excel, CRM, Bitrix24, 1S
• Handled technical support requests from staff via Bitrix24, email, phone, and chat. • Diagnosed and resolved hardware/software issues, escalating when necessary. • Reproduced user-reported issues, gathered logs, performed diagnostics. • Managed user accounts and access rights on AD. • Installed and maintained software on workstations and servers. • Created guidelines and user instructions to improve efficiency. • Collaborated with IT vendors for software licensing and equipment maintenance.

Educational background

Faculty of Philosophy
Moscow State University

Languages

EnglishAdvancedSerbianIntermediateGermanElementaryRussianNative