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Vienna-based portfolio - infrastructure, security operations and application engineering

IT Infrastructure & Application Engineer

I combine professional experience in application engineering, IT support and networking with hands-on Linux/Windows infrastructure, automation and secure IoT projects.

I am currently developing infrastructure-security, monitoring and incident-analysis skills through my own systems and HTB Academy's Junior Cybersecurity Analyst path.

LocationVienna, AustriaWork accessUnrestricted access to the Austrian labour marketAvailabilityAvailable immediatelyGermanB2EnglishC1ArabicNative

Open to: System engineering / administration · Application support · IoT / OT · Junior security operations · Junior research engineering

LinuxWindows ServerDockerAnsiblePowerShellTailscaleCrowdSecPythonSQL
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Hybrid infrastructure with a Public Edge VPS, on-site Proxmox/Debian platform, Windows Server lab, private Tailscale administration and Azure Arc governance.
Live in operation

Self-Hosted Infrastructure

Problem

Public services needed a controlled internet entry point without exposing private administration.

My role

Designed and implemented the hybrid Linux/Windows environment with separated public ingress, private Tailscale administration, Ansible automation, host firewalls and CrowdSec detection.

Result

Private administration, repeatable Linux and Windows configuration, monitored backup health and verified application/data recovery.

AnsibleBashLinux
Edge AI architecture
Demonstrated prototype

EdgeGuardian

Problem

Local safety states needed to be inferred at the edge from sensor and camera input.

My role

Integrated Raspberry Pi, Hailo, camera and LiDAR, and wrote the ESP32 firmware in C/C++ for the prototype decision flow.

Result

Architecture diagrams, code, and visible SAFE/WARNING/ALERT logic document the decision flow.

Raspberry Pi 5Hailo-8LYOLOv8
TinyML architecture
Academic prototype

TinyML Vibration Detection

Problem

Vibration patterns needed to be classified on a small embedded device without cloud inference.

My role

Implemented IMU features, softmax model, C++ export, and Serial Monitor demo.

Result

Source code, model comparison, and reproducible validation document the embedded workflow.

Arduino Nano 33IMUC++

Current Academic Work

Research and master's project

The TU Wien master's thesis has been in progress since October 2026. Sensor-data integrity at an edge gateway is the planned thesis direction at FH Technikum Wien.

  • Energy-Aware Placement of AI Inference Across Device, Edge and Cloud TiersTU Wien master's thesis · in progress since 10/2026 · Dr. Vincenzo De Maio / Prof. Ivona Brandić
  • Detecting Integrity Manipulation by Authenticated IoT Sensor Nodes at a Resource-Constrained Edge GatewayMIO-3 / planned Master's thesis direction · Research scope October 2026
View Academic Work

Core Capabilities

Application Support & Engineering

  • Troubleshoots application issues and data flows
  • Analyzes requirements and documents technical follow-up
ServiceNowJiraDocumentation

Infrastructure & Security Operations

  • Operates monitored Linux, Windows Server, Docker and network environments
  • Hardens access and ingress with Tailscale, UFW/iptables, CrowdSec and repeatable configuration
LinuxAnsibleTailscaleCrowdSec

Automation & Data

  • Automates workflows with Python and scripting
  • Uses SQL, logs and data checks for troubleshooting
PythonSQLBash

Open to system engineering, application support, IoT/OT, junior security operations and junior research engineering roles.