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Sergii Korchagin [open contact info](look above in the "contact info" section)
Technical Support Manager [open contact info](look above in the "contact info" section)
Telegram: @serjinskiy
Linkidin: [open contact info](look above in the "contact info" section)
public.tableau.com/app/profile/sergii.korchagin

Skills
Excel - VLookup, Pivot Tables, Conditional Tableau, Query
Formatting SQL - MySQL, SQL Server, PostgreSQL

Projects
TECHNICAL SUPPORT MANAGER– TrackEnsure Inc. – Toronto, Canada
● Supervised and successfully managed a technical support team of 45+ people.
● Created and coordinated daily schedules and workflow of technical support agents.
● Interacted with customers and resolved issues in a friendly and timely manner.
● Communicated effectively with all levels of management and Developer Team.
● Analyzed and structured different types of reports.
● Recorded and transmitted technical bugs to other departments.
● Improved the KPI of my team.
● Conducted meetings for technical support team and interviews for new employees.
● Reviewed and made decisions in the most difficult work tasks.
● Worked with the company’s internal HRM-system.
● Managed an analysis of various indicators to support managerial decision-making.
● Created a dashboard with Tableau to assist management in comparing metrics across different time
periods.
CHARGEBACK / DATA ANALYTICS– American Wireless LLC, USA
● Utilized SQL, Excel, Tableau to perform analysis on database metrics.
● Performed data cleaning and data analysis to successfully identified the major changes for companies.
● Сonducted ad-hoc analysis to explain fluctuations in call volume.
● Worked on data-driven projects, such as analyzing chargeback trends, creating reports and
dashboards, and conducting data-driven analyses.
● Consulted with management to determine the necessary metrics to be displayed.
ROAD ACCIDENT DASHBOARD – Personal Project, 2023
● Generated a dataset using SQL.
● Transformed, cleaned and filtered data by using aggregating and filtering functions.
● Used the dataset to create a Tableau dashboard, as well as an MS Excel dashboard.
Work Experience
TECHNICAL SUPPORT MANAGER, TrackEnsure Inc., Canada, 2020 - 2023
DATA ANALYST – American Wireless LLC, USA, 2014 - 2020
Education
MASTERS DEGREE– MNAU – Mykolaiv, Ukraine Feb 2015
FACULTY OF ENERGY ENGINEERING
Leadership and Awards
• Google Cybersecurity Certificate + Google IT support Certificate.
• Cisco Cybersecurity Essentials Certificate.
• Selected as one of 10 employees for company’s personnel reserve.