Thomas Bella
Professional summary
This public summary presents the key stages and professional focus areas of my career.
I am not currently actively looking for a new role. I remain open to professional exchange, open-source projects, and knowledge sharing.
Selected capabilities
  • Security leadership, governance, risk management, ISO 27001, and NIS2
  • Security operations, incident response, vulnerability management, SIEM, EDR/XDR, and threat intelligence
  • Security architecture, PKI, TLS, identity and access management, Zero Trust, and Security by Design
  • Linux, Microsoft security and identity, networking, virtualization, and containers
  • GitLab CI/CD, Infrastructure as Code, automation, and development with Go, PHP, JavaScript, and scripting languages
Frauscher Sensor Technology Group GmbH (Frauscher Sensortechnik GmbH)
Tech Lead
Cyber Security

(since 03/2025)
As Tech Lead Cyber Security, I connect technical leadership, security governance, and secure architecture.
  • Technical and functional development of cybersecurity capabilities
  • Translation of strategic and regulatory requirements into sustainable security measures
  • Focus on risk management, security operations, incident readiness, PKI, and security awareness
  • Cross-functional collaboration and clear communication of technical risks
Cyber Security
(01/2022 - 03/2025)
Established and developed repeatable cybersecurity processes at the intersection of technology, governance, and collaboration.
  • Security awareness, risk management, and incident readiness
  • Security assessments and integration of security into IT and architecture decisions
IT Operations
(06/2023 - 03/2025)
Developed secure and automated IT operating processes with a focus on Linux and shared infrastructure services.
  • Standardization, automation, CI/CD, and Infrastructure as Code
  • Connected IT operations, software development, and information security
IT Infrastructure
(12/2019 - 06/2023)
Linux system administration, DevOps engineering, and technical design with a focus on automation, stability, performance, and secure infrastructure.
Freelancer
Infrastructure, Security & Software Engineer
(10/2015 - 12/2025)
From 2015 to 2025, I supported international customers with secure and maintainable IT and web solutions.
  • Linux infrastructure and web, DNS, and email security
  • Development and automation with Go, PHP, JavaScript, and scripting languages
  • Consulting on architecture, operations, performance, backup, and security
Linux Web Server Administrator
(02/2014 - 10/2015)
Administered and secured Linux-based web and email servers for small businesses, individuals, and private customers.
Energie AG Oberösterreich Business Services GmbH
Internship - Evaluation Project Log Management & SIEM
(07/2016 - 10/2016)
Evaluated and tested central log-management solutions with a focus on technical feasibility, data processing, and performance.