Thomas Bella
Thomas Bella, MSc BSc

Thomas Bella, MSc BSc

Tech Lead Cyber Security | Tech meets Muscle. Security meets Precision.
Hello, I'm Thomas and live in Siegenfeld near Vienna, Austria. Professionally, I work as Tech Lead Cyber Security, DevOps Engineer, Network Engineer and System Administrator.
These roles allow me to live out my passion for technology, IT security and network technology on a daily basis.
In my free time, I dedicate myself to programming versatile projects, operate an extensive homelab and keep fit through fitness, which I like to combine with technology and photography.
My passion for system administration, programming and IT security has accompanied me since my youth. At a young age, I started developing websites and expanded my knowledge in various programming languages and technologies over time. Today, I combine my technical skills and experience with my personal interest in IT security and data protection to develop innovative solutions and optimize existing systems.

On this website you will find further information about my previous professional activities and projects.
Apart from technology, I am interested in photography, fitness and volunteer in the village community of my place. Thanks to my technological curiosity, I integrate my knowledge and skills in these areas to achieve unique results and fully embrace my passions.
My hobbies, hiking and photography, perfectly complement each other, especially for landscape and nature photography. A selection of my recent shots can be found under Interests or on my profile on Pixelfed.

In addition to my passion for technology and photography, I am also fascinated by movies and series, especially science fiction like Stargate, Star Trek and Marvel - content that focuses on technology, science and a certain humor.

In my blog, I regularly share technical insights and experiences from my everyday life - from routing to VPNs to backup strategies. Here is an excerpt of my latest posts:
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  • Hi interested person! (01.01.1970)
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  • Are you curious to see more or learn something behind the scenes? (01.01.1970)
  • Get in touch with me: thomas@bella.network (01.01.1970)
  • Or use other contact methods mentioned on this page (01.01.1970)
A list of all subpages of this website is available under Sitemap.

If you want to learn more about me, my work or one of my projects – or just want to exchange ideas about technology, photography or science fiction – feel free to write to me!
Under Contact you will find various ways to get in touch with me. I look forward to your message!
General

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Residence
Resident in Siegenfeld, a small village in the district of Baden, Lower Austria.


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Contact
E-Mail: thomas@bella.network
Telegram: Thomas2500
LinkedIn: Thomas Bella
Mastodon: Thomas2500

Further contact options and profiles
Professional background
Tech Lead Cyber Security
Frauscher Sensortechnik GmbH
(since 03/2025)
Cyber Security
Frauscher Sensortechnik GmbH
(01/2022 - 03/2025)
IT Operations
Frauscher Sensortechnik GmbH
(06/2023 - 03/2025)
IT Infrastructure
Frauscher Sensortechnik GmbH
(12/2019 - 06/2023)
Sysadmin & Full Stack Developer
Freelancer
(since 10/2015)
Linux Web Server Administrator
Freelancer
(02/2014 - 07/2018)
Education
Cloud Computing Engineering
Hochschule Burgenland
(09/2017 - 06/2019)
IT Infrastruktur-Management
Hochschule Burgenland
(09/2014 - 07/2017)
Kolleg Elektronik-Informationstechnologien
HTL Mödling
(09/2012 - 10/2014)
Fachschule Elektrotechnik
HTL Mödling
(09/2008 - 05/2012)
Knowledge & skills
  • Cyber Security (Pentesting, Forensics, Incident Response & Management, PKI, Cryptography, Nessus, Policies, ...)
  • Risk Management (ISO 27001, ISMS, Audits, KPI, ...)
  • SIEM/Log Management (Graylog, ELK, Splunk, Sentry)
  • Networking (Cisco IOS, ISE, ASA, BGP, Check Point)
  • Sysadmin for Ubuntu, Debian & Windows
  • Virtualization & Container (KVM, VMware, Docker, ...)
  • Mailserver (Postfix, Dovecot, SPF, DKIM, ARC, DMARC, MTA-STS, DNSSEC, DANE, TLS-RPT, BIMI, Rspamd, ...)
  • GitLab & GitLab CI (Admin & User, DevOps, Infrastructure as Code)
  • Go (Webserver, REST-APIs, Automation, CLI-Tools)
  • HTML5, CSS3 & JavaScript (SEO, Performance, ...)
  • PHP (Composer, Templates, REST, ...)
  • SQL (MySQL, MariaDB, PostgreSQL, SQLite, MSSQL)
  • NoSQL (Elasticsearch, InfluxDB, Redis)
  • Soft Skills & Methodology (Technical Design, Project Management, Audit Preparation, Mentoring, ...)
  • Details under Interests, Projects & Homelab
  • As well as on LinkedIn
Certificates
Projects
  • uDomainFlag - Browser extension for Chrome, Firefox and EDGE as well as web service for displaying information of a called website for more security on the Internet.
  • HYNC.io - Health Sync In & Out: Automated data synchronization between different health services and devices.
  • Homelab - My homelab and various private projects. (VPN, BGP routing, Proxmox cluster, 3-2-1 backup, Plex, MS AD, ADFS, Guacamole, ...)
  • GoAPTCacher - GoAPTCacher: Simple and fast solution for caching APT packages for Debian/Ubuntu systems. (Go, SQLite, ...)
  • pv-proxy - Home automation written in Go for (automatic) control of 50+ devices (e.g. heating, alarm clock, light, pool pump, driveway gate, ...)
  • Mr. Fitness Bot - Quantified Self project, for recording, reminding and evaluating training, emotions, body measurements, nutrition, ...
  • Portfolio - This website in complete self-construction with connection to other services. (Load balancing, reverse proxy, WebSocket, multi-language, ...)
  • uTeleBot - Chatbot for Telegram. Supports daily tasks of a system and network administrator.
  • Further information and projects