notes blog about

I’ve been securing, operating and building computer systems for about 15 years. This includes writing programs. I started out as an IT auditor and system administrator, later moved to DevOps and security engineering. I’ve also managed projects and teams.

Employment history

Sr. Security Engineer at Deutsche Telekom Pan-Net [2017 - present]

Security Engineer at First Data [2016 - 2017]

Sr. Linux Systems Specialist at Eset [2015 - 2016]

System and Network Administrator at Institute of Science and Technology Austria [2013 - 2015]

System Administrator at Kedros [2009 - 2011]

IT Auditor at Slovak Telekom [2004 - 2006, 2011 - 2013]

Main technologies

Operating systems: Kubernetes, Linux (Ubuntu/Debian)

Artificial languages: Go (Golang), Bash, Python, Perl

Natural languages: English, Italian, Slovak/Czech

Security and networking: general concepts and tools

Certifications

CKA: Certified Kubernetes Administrator [2022 - 2025]

CKAD: Certified Kubernetes Application Developer [2021 - 2024]

CCENT: Cisco Certified Entry Networking Technician [2013 - 2016]

LPIC-2: Linux Professional Institute Certification - Advanced Level Administration [2012 - 2017]

CISSP: Certified Information Systems Security Professional [2011 - 2014]

CCNA: Cisco Certified Network Associate [2006 - 2009]

Formal education

Cisco Networking Academy: networking and telecommunications, four semesters [2005 - 2006]

University of Florence: economics and IT, one semester [2003]

University of Economics in Bratislava [1998 - 2004]

Bilingual (Slovak - Italian) high school [1993 - 1998]