Ondrej Pipek

Professional Summary

Senior, results-driven Cloud Security Professional with 11+ years of comprehensive experience architecting and securing large-scale hybrid infrastructure (Azure/Entra ID, Windows/Linux). Expertise in threat detection, vulnerability mitigation, and implementing security controls (MFA, network segmentation, SIEM) to ensure regulatory compliance and high availability. Proven technical project leadership, successfully integrating complex physical security systems (CCTV, Access Control) with IT networks to strengthen overall security posture.

Certifications

• CompTIA Security+ - CompTIA
• Microsoft Azure Administrator Associate (AZ-104) - Microsoft
• Google Cybersecurity Certificate - Google

Work Experience

• Security Lead Tecnician | TRL Systems | Apr 2025 - present
  • Engineered the secure integration of CCTV, Access Control, and NVR systems into existing client IT infrastructure, applying best practices for network segmentation and access control.
  • Served as Technical Lead for complex security system deployment projects, managing a team of technicians and coordinating with vendors to ensure all network and configuration requirements were met on schedule.
  • Performed advanced configuration, network hardening, and vulnerability patching for security-critical IoT devices (IP cameras, NVRs) across diverse client environments.
• System Administrator | Rebuy Stars | Jan 2017 - Dec 2023
  • Architected and deployed network segmentation and granular firewall rules using Fortinet and Mikrotek firewalls, proactively mitigating threats across 24+ casino locations.
  • Managed hybrid cloud infrastructure and identity for 200+ users, optimizing Azure/Entra ID services, and ensuring seamless authentication across Windows and Linux servers.
  • Performed forensic analysis and eDiscovery utilizing SIEM (Splunk) on network and server logs, providing critical, chain-of-custody evidence for criminal and fraud investigations.
  • Led security hardening for Office 365, implementing mandatory MFA and granular controls that significantly mitigated phishing and Business Email Compromise (BEC) risks.
  • Mentored and provided technical education to a team of 3 IT professionals, and provided reports to the CTO.
• IT Administrator | Vodovody a kanalizace | Oct 2011 - Jan 2017
  • Successfully migrated to a new mailing system, increasing reliability and stability.
  • Implemented a VoIP system, bringing a better customer experience.
  • Leveraged Windows DHCP server
  • Managed IT Hardware Lifecycle: deployment, maintenance, and retirement of IT hardware assets, optimizing resource allocation and cost-effectiveness.
  • Managed Windows IIS servers, Active Directory, and managed backups.

Education

• High School Diploma with creer or technical education (CTE) - SSIS (2007-2011)

  Computer Science focus with network administration

Technical Skills