Kristian G.
2nd and 3rd Level Support
Experience
Nov 2023 - Jun 2024
8 monthsRemote
2nd and 3rd Level Support
Samhammer AG
- Handling calls and tickets using ticketing systems
- Providing expert user support
- Remote troubleshooting of hardware and software issues
- Assigning and installing software via remote access
- Assisting users with setting up computers and mobile devices
- User management for various applications
- Close cooperation with clients in 2nd and 3rd level support
Dec 2019 - Nov 2023
4 yearsIT Technician
Computacenter AG & Co.OHG
- Responsible for complete installation, maintenance, and repair of technical systems and equipment on site
- Performing independent diagnostics and problem-solving for hardware and software issues
- Regular maintenance to ensure smooth operations and system efficiency
- Providing direct customer support and technical advice, including user training on new technologies and system updates
- Effectively documenting all technical incidents and solutions to continuously improve the service
- Responding quickly in emergency situations to minimize downtime and restore critical system functionality
Oct 2017 - Dec 2019
2 years 3 monthsLinux Administrator
SAS - WAF.TO IT Security UG
- Managing and expanding the local IT infrastructure, including client operating systems
- Administering virtual server environments
- Leading IT projects with a focus on efficient execution and quality assurance
- Coordinating first and second level support to ensure smooth operations
- Managing server service level agreements (SLAs) and implementing SAS solutions for Azure Cloud
- Using modern monitoring tools like Checkmk and Icinga2 to monitor the IT infrastructure
Jan 2014 - Oct 2017
3 years 10 monthsIT System Administrator
Unitymedia NRW GmbH
- Operating the in-house IT infrastructure
- Designing and further developing the IT infrastructure
- Supporting technical staff and customers
- Defining standards for networking, servers, operating systems, and telephony
Development Engineer
QuestBack GmbH
- Experience developing and maintaining CI/CD pipelines with tools like GitLab and Jenkins
- Solid experience managing container-based infrastructures with Docker
- Using advanced monitoring tools like Grafana, Prometheus, the EFK stack, and Nagios for performance monitoring and troubleshooting
Summary
Experienced Linux System Administrator with solid skills in system configuration, troubleshooting, and security. Has a proven track record of managing large data centers and implementing efficient solutions. Ready for new challenges and always eager to develop and implement innovative solutions.
Languages
Croatian
NativeGerman
AdvancedEnglish
ElementaryCertifications & licenses
SAS® VIYA® Deployment
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