Sebastian F. Nestler
Cybersecurity | AI Applications | Digital Strategy
An interdisciplinary IT professional operating at the intersection of network security, applied AI automation, and high-pressure emergency operations.
🛡️ Hacking Elite
Top 7%
Globally in ethical hacking challenges
⚙️ Core Engineering Stack
📜 Credentials & Foundations
Microsoft MTA
Networking, Windows OS, IT Security
Google IT Support
Professional Certificate
Digital Marketing
Google Professional Certificate
The Resilient Lifeline
3rd Level Support Engineer
GK Software SE (Schöneck, Germany)
Managed SQL-based data queries, B2B technical incident resolution, and backend logfile workflow analysis for retail software solutions.
Trainee / Ethical Hacking Workshops
T-Systems (Dresden, Germany)
Participated in ethical hacking labs; trained student teams on penetration testing and cybersecurity fundamentals.
Dispatcher & Medical Assistant
Kassenärztliche Vereinigung Brandenburg (Potsdam)
Co-developed emergency call center operational processes and coordinated regional on-call medical services under high-pressure scenarios.
Independent Entrepreneur
Rio de Janeiro (Brazil)
Spearheaded family-owned tourism and currency trading operations, engineering market-adapted communications for international clients.
Paramedic / Medical Assistant
Malteser Hilfsdienst / SMH Halle / Kliniken Erlabrunn
Executed emergency transports, ER critical care support, and rescue vehicle documentation systems.
Educational Anchors
Medical Studies (1st State Examination)
Friedrich Schiller University of Jena
Certified Pharmaceutical Consultant (IHK)
Pharmaakademie Leipzig
Paramedic Training
Landesschule Sachsen Rotes Kreuz