Hello71

Senior systems engineer and open-source contributor in Toronto with nearly two decades of experience in low-level Linux, security, and performance optimization.

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Remote Toronto senior 20 years experience

Skills

Linux kernellibcinit systemsCx86 assemblyC#Pythontroubleshootingsecurityperformance optimizationsystems engineeringopen-source development

Domains

systems infrastructure kernel low-level performance engineering security

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  Location: Toronto, Canada
  Remote: open
  Willing to relocate: yes
  Technologies: low-level Linux (kernel, libc, init, etc), C, x86 assembly, C#, Python
  Résumé/CV: https://www.alxu.ca/resume/
  Email: see resume

Systems engineer and long-time open-source contributor, with nearly two decades of hands-on experience in troubleshooting, security, and optimization. Developed 800× production hot path throughput; Linux kernel pipe buffer fix; discovered QEMU/virtiofsd full host device access vulnerability.
Looking for senior systems, infrastructure, kernel, and low-level performance engineering roles.

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