Stjepan Poljak

Senior Linux Systems and Platform Security Engineer with 7+ years of experience developing and maintaining Linux-based infrastructure in both virtual and bare-metal environments.

Strong expertise in Linux kernel internals, virtualization (QEMU/KVM) and platform security. Experienced in debugging complex systems, kernel instrumentation, performance optimization and ensuring reliability of production-grade systems.

Led CVE remediation workflows, designed and maintained secure Linux platforms, including synchronization and debugging mechanisms in kernel­adjacent systems. Proficient in C/C++ and Python for systems tooling and infrastructure automation.

Interested in platform security, Linux infrastructure, virtualization and systems engineering roles.

Core Expertise

  • Platform Security & CVE Remediation
  • Linux Kernel Internals
  • Virtualization (QEMU/KVM)
  • Distributed Systems Debugging
  • Kernel Instrumentation (kprobes, ftrace)
  • Performance & Latency Analysis
  • Infrastructure Tooling & Automation
  • Secure Linux Platform Maintenance
  • Docker & CI Testing Infrastructure
  • Yocto & Custom Linux Distributions