Łukasz Kiełbasa
Lublin,06
Summary
Resourceful System Administrator with extensive experience at Deloitte. Proven track record in delivering L2 support and managing 200+ application servers, including SAP and Azure environments. Efficiently resolved 400+ tickets and handled 60 incidents, achieving a remarkable 95% satisfaction rate in one business year. Expertise in supporting 50+ applications and serving a user base of 2000 individuals. Over 3 years of progressive IT experience.
Overview
4
4
years of professional experience
Work History
IT Administrator
Deloitte
06.2023 - 06.2024
- Providing L2 support for enterprise and critical applications/projects used by other teams or departments
- Created detailed documentation of all IT assets, configurations and procedures
- Supporting about200 application servers, including SAP, database engines (MSSQL), web services and solution automatization and modernization
- Creating and maintaining documentation
- Migration of several applications on production environment, including web, database and application components
IT Administrator
Deloitte
06.2023 - 06.2024
- Providing L2 support for enterprise and critical applications/projects used by other teams or departments
- Created detailed documentation of all IT assets, configurations and procedures
- Supporting about200 application servers, including SAP, database engines (MSSQL), web services and solution automatization and modernization
- Creating and maintaining documentation
- Migration of several applications on production environment, including web, database and application components
Junior IT administrator
Deloitte
06.2021 - 06.2023
- Same tasks as on mid position but in smaller scope
Junior IT administrator
Deloitte
06.2021 - 06.2023
- Same tasks as on mid position but in smaller scope
IT Intern
Creative Space
07.2020 - 08.2020
- Installed operating systems, software updates, and patches in accordance with best practices
- Resolved network connectivity issues in a timely manner
- Monitored system performance through daily checks of hardware components and software applications
IT Intern
Creative Space
07.2020 - 08.2020
- Installed operating systems, software updates, and patches in accordance with best practices
- Resolved network connectivity issues in a timely manner
- Monitored system performance through daily checks of hardware components and software applications
Education
Bachelor of Science (B.S.) - Information Technology
WSPA
06.2027
Skills
- Windows Server
- Linux
- TCP/IP, DNS, DHCP
- Active Directory
- Azure
- Office365
- Powershell
- Python
- Microsoft IIS
- MSSQL
- T-SQL
- Jira
LANGUAGES
Polish
Native language
English
Advanced
C1
Timeline
IT Administrator
Deloitte
06.2023 - 06.2024
IT Administrator
Deloitte
06.2023 - 06.2024
Junior IT administrator
Deloitte
06.2021 - 06.2023
Junior IT administrator
Deloitte
06.2021 - 06.2023
IT Intern
Creative Space
07.2020 - 08.2020
IT Intern
Creative Space
07.2020 - 08.2020
Bachelor of Science (B.S.) - Information Technology
WSPA
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