Dennis Fischer

- Acquired hands-on experience through an immersive program, conducting vulnerability assessments, penetration testing, and incident response. - Implemented security measures such as firewall configurations, encryption protocols, and SIEM tools to strengthen system defenses. - Performed risk assessments and security audits, identifying and mitigating threats using ethical hacking techniques and industry-standard tools like Wireshark and Nmap.

- Delivered direct technical support on-site, including hardware/software troubleshooting, equipment setup, and ensuring smooth IT operations. - Updated up to 30 systems per quarter, with a focus on Veeam, VMware, and NAS environments. - Processed up to 50 support tickets per month, resolving user issues efficiently and maintaining high service quality.

- Confirmation and creation of order documents in Sales. - Responsible for the procurement of the goods and services sold.

- Strategized, managed, and enhanced IT and customer services as Service Manager to ensure high quality, consistent availability, and cost efficiency. - Served as lead expert for enterprise backup solutions (Commvault, Veeam) across a customer base of up to 50 clients. - Planned and implemented infrastructure components including servers, switches, and routers for up to 50 customers.

- Strategized, managed, and improved IT and customer services as Service Manager, ensuring high quality, availability, and cost efficiency; increased customer satisfaction by 12%. - Coordinated and managed up to 10 software training programs, aligning content with user needs and business goals. - Planned and integrated 5–10 system interfaces for e-commerce shops, ensuring seamless data flow and platform connectivity.

- Strategized, managed, and improved IT and customer services as Service Manager, increasing customer satisfaction by 15%. - Led a support team of 5, ensuring smooth daily operations and efficient coordination of tasks. - Contributed to the development of 12 e-commerce plugins per year, enhancing platform functionality and integration.

- Completed a 14-month internship at Net Inventors GmbH, contributing to web development projects and supporting the team with software maintenance and feature implementation.